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Project #19: Time – SparkFun Environmental Combo CCS811/BME280 – Mk06

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#DonLucElectronics #DonLuc #Time #RTC #Display #Adalogger #MicroSD #GPSReceiver #CCS811 #BME280 #Arduino #ESP32 #SparkFunESP32WROOM #Project #Programming #Electronics #Microcontrollers #Consultant #VideoBlog

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SparkFun Environmental Combo CCS811/BME280

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SparkFun Environmental Combo CCS811/BME280

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SparkFun Environmental Combo CCS811/BME280

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SparkFun Environmental Combo CCS811/BME280

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SparkFun Environmental Combo Breakout – CCS811/BME280 (Qwiic)

The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of environmental data, including barometric pressure, humidity, temperature, TVOCs and equivalent eCO2 levels. To make it even easier to use this breakout, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have broken out 0.1″ spaced pins in case you prefer to use a breadboard.

Bosch Sensortec BME280

The BME280 is as combined digital humidity, pressure and temperature sensor based on proven sensing principles. Its small dimensions and its low power consumption allow the implementation in battery driven devices such as handsets, GPS modules or watches. The BME280 achieves high performance in all applications requiring humidity and pressure measurement. These emerging applications of home automation control, indoor navigation, health care as well as GPS refinement require a high accuracy and a low TCO at the same time. The humidity sensor provides an extremely fast response time for fast context awareness applications and high overall accuracy over a wide temperature range. The pressure sensor is an absolute barometric pressure sensor with extremely high accuracy and resolution.

Typical Application

-Context awareness, e.g. skin detection, room change detection
-Health monitoring / well-being
-Warning regarding dehydration or heat stroke
-Spirometry (measurement of lung volume and air flow)
-Home automation control
-Control heating, venting, air conditioning (HVAC)
-Internet of Things
-GPS enhancement (e.g. time-to-first-fix improvement, dead reckoning, slope detection)
-Indoor navigation (change of floor detection, elevator detection)
-Outdoor navigation, leisure and sports applications
-Weather forecast
-Vertical velocity indication (rise/sink speed)

Target devices

-Handsets such as mobile phones, tablet PCs, GPS devices
-Navigation systems
-Gaming, e.g flying toys
-Camera (DSC, video)
-Portable health care devices
-Home weather stations
-Flying toys
-Watches

ams AG CCS811

The CCS811 is an exceedingly popular sensor, providing readings for equivalent eCO2 in the PPM and total volatile organic compounds in the PPB. The CCS811 is an ultra-low power digital gas sensor solution which integrates a metal oxide (MOX) gas sensor to detect a wide range of Volatile Organic Compounds (VOCs) for indoor air quality monitoring with a microcontroller unit (MCU), which includes an Analog-to-Digital converter (ADC), and an I²C interface.

DL2108Mk07

1 x SparkFun Thing Plus – ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x Adalogger FeatherWing – RTC + SD
1 x SparkFun Environmental Combo CCS811/BME280 (Qwiic)
1 x Qwiic Cable – 100mm
1 x CR1220 3V Lithium Coin Cell Battery
1 x 32Gb microSD Card
1 x LED Green
1 x Rocker Switch – SPST (Round)
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery – 850mAh
1 x GPS Receiver – GP-20U7
1 x Rotary Switch – 10 Position
1 x SparkFun Rotary Switch – 10 Position
1 x Black Knob
2 x Spring Terminals – PCB Mount (6-Pin)
2 x Breadboard Solderable
12 x 1K Ohm
1 x FeatherWing Proto
1 x SparkFun Cerberus USB Cable

SparkFun Thing Plus – ESP32 WROOM

Qwiic – 0x77
Qwiic – 0x5B
SCK – Digital 13
MSI – Digital 12
SS0 – Digital 27
GRX – Digital 16
GTX – Digital 17
SDA – Digital 23
SDL – Digital 22
SCK – Digital 5
MSO – Digital 19
MSI – Digital 18
SS1 – Digital 33
LEG – Digital 21
SW0 – Digital 32
ROT – Analog A0
VIN – +3.3V
GND – GND

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DL2108Mk07p.ino

/* 
***** Don Luc Electronics © *****
Software Version Information
Project #19: Time - SparkFun Environmental Combo CCS811/BME280 - Mk06
08-07
DL2108Mk07p.ino
1 x SparkFun Thing Plus - ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x Adalogger FeatherWing - RTC + SD
1 x SparkFun Environmental Combo CCS811/BME280 (Qwiic)
1 x CR1220 3V Lithium Coin Cell Battery
1 x 32Gb microSD Card
1 x LED Green
1 x Rocker Switch - SPST (Round)
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery - 850mAh
1 x GPS Receiver - GP-20U7
1 x Rotary Switch - 10 Position
1 x SparkFun Rotary Switch – 10 Position
1 x Black Knob
2 x Spring Terminals - PCB Mount (6-Pin)
2 x Breadboard Solderable
12 x 1K Ohm
1 x FeatherWing Proto
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and time RTC
#include "RTClib.h"
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SparkFun CCS811 - eCO2 & tVOC
#include <SparkFunCCS811.h>
// SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
#include <SparkFunBME280.h>

// SHARP Memory Display
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// Date and Time
// PCF8523 Precision RTC 
RTC_PCF8523 rtc;
// Date
String dateRTC = "";
// Time
String timeRTC = "";

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 16
// This one is unused and doesnt have a conection
#define gpsTXPIN 17
// The TinyGPS++ object
TinyGPSPlus gps;
// Latitude
float TargetLat;
// Longitude
float TargetLon;
// GPS Date, Time, Speed, Altitude
// GPS Date
String TargetDat;
// GPS Time
String TargetTim;
// GPS Speeds M/S
String TargetSMS;
// GPS Speeds Km/h
String TargetSKH;
// GPS Altitude Meters
String TargetALT;
// GPS Status
String GPSSt = "";

// Rotary Switch - 10 Position
// Number 1 => 10
int iRotNum = A0;
// iRotVal - Value 
int iRotVal = 0;
// Number
int z = 0;

// MicroSD Card
const int chipSelect = 33;
String zzzzzz = "";

// LED Green
int iLEDGreen = 21;

// Rocker Switch - SPST (Round)
int iSS1 = 32;
// State
int iSS1State = 0;

// SparkFun CCS811 - eCO2 & tVOC
// Default I2C Address
#define CCS811_ADDR 0x5B 
CCS811 myCCS811(CCS811_ADDR);
// eCO2
float CCS811CO2 = 0;
// TVOC
float CCS811TVOC = 0;

// SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
BME280 myBME280;
// Temperature Celsius
float BMEtempC = 0;
// Humidity
float BMEhumid = 0;
// Altitude Meters
float BMEaltitudeM = 0;
// Barometric Pressure
float BMEpressure = 0;

// Software Version Information
// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";
// Version
String sver = "19-06";

void loop()
{
     
  // Dates and Time
  isRTC();

  // isGPS
  isGPS();

  // SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
  isBME280();

  // SparkFun CCS811 - eCO2 & tVOC
  isCCS811();

  // Rotary Switch
  isRot();

  // Slide Switch
  // Read the state of the iSS1 value
  iSS1State = digitalRead(iSS1);
  
  // If it is the Slide Switch State is HIGH
  if (iSS1State == HIGH) {

    // iLEDGreen HIGH
    digitalWrite(iLEDGreen,  HIGH );
    
    // MicroSD Card
    isSD();

  } else {

    // iLEDGreen LOW
    digitalWrite(iLEDGreen,  LOW );
  
  }

  delay( 1000 );
 
}

getBME280.ino

// SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
// isBME280 - Humidity, Temperature, Altitude and Barometric Pressure
void isBME280(){

  // Temperature Celsius
  BMEtempC = myBME280.readTempC();
  // Humidity
  BMEhumid = myBME280.readFloatHumidity();
  // Altitude Meters
  BMEaltitudeM = (myBME280.readFloatAltitudeMeters(), 2);
  // Barometric Pressure
  BMEpressure = myBME280.readFloatPressure();
  
}

getCCS811.ino

// CCS811 - eCO2 & tVOC
// isCCS811 - eCO2 & tVOC
void isCCS811(){

  // This sends the temperature & humidity data to the CCS811
  myCCS811.setEnvironmentalData(BMEhumid, BMEtempC);

  // Calling this function updates the global tVOC and eCO2 variables
  myCCS811.readAlgorithmResults();

  // eCO2 Concentration
  CCS811CO2 = myCCS811.getCO2();
  
  // tVOC Concentration
  CCS811TVOC = myCCS811.getTVOC();
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date
void isDisplayDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( "Date" );
    display.setCursor(0,30);
    display.println( dateRTC );
    // Time
    display.setCursor(0,55);
    display.println( "Time" );
    display.setCursor(0,75);
    display.println( timeRTC );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display GPS
void isDisplayGPS() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // GPS Status
    display.setCursor(0,5);
    display.print( "GPS: " );
    display.println( GPSSt );
    // Target Latitude
    display.setCursor(0,25);
    display.println( "Latitude" );
    display.setCursor(0,45);
    display.println( TargetLat );
    // Target Longitude
    display.setCursor(0,65);
    display.println( "Longitude" );
    display.setCursor(0,90);
    display.println( TargetLon );
    // Refresh
    display.refresh();
    delay( 100 );

}
// GPS Date, Time, Speed, Altitude
void isDisplayGPSDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // GPS
    display.setCursor(0,5);
    display.println( "GPS" );
    // Date
    display.setCursor(0,30);
    display.println( TargetDat );
    // Time
    display.setCursor(0,55);
    display.println( TargetTim );
    // Speed
    display.setCursor(0,75);
    display.print( "M/S: " );
    display.println( TargetSMS );
    display.setCursor(0,95);
    display.print( "Km/h: " );
    display.println( TargetSKH );
    display.setCursor(0,115);
    display.print( "Alt: " );
    display.println( TargetALT );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display BME280 - Humidity, Temperature, Altitude and Barometric Pressure
void isDisplayBME280() {

     // Text Display BME280
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Temperature Celsius
    display.setCursor(0,10);
    display.println( "Temperature" );
    display.setCursor(0,30);
    display.print( BMEtempC );
    display.println( " C" );
    // Humidity
    display.setCursor(0,50);
    display.println( "Humidity" );
    display.setCursor(0,70);
    display.print( BMEhumid );
    display.println( "%" );
    // Altitude Meters
    display.setCursor(0,90);
    display.println( "Altitude M" );
    display.setCursor(0,110);
    display.print( BMEaltitudeM );
    display.println( " m" );
    // Pressure
    display.setCursor(0,130);    
    display.println( "Barometric" );
    display.setCursor(0,150);
    display.print( BMEpressure );
    display.println( "Pa" );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display CCS811 - eCO2 & tVOC
void isDisplayCCS811() {

    // Text Display CCS811
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // eCO2 Concentration
    display.setCursor(0,10);
    display.println( "eCO2" );
    display.setCursor(0,30);
    display.print( CCS811CO2 );
    display.println( " ppm" );
    // tVOC Concentration
    display.setCursor(0,60);
    display.println( "tVOC" );
    display.setCursor(0,80);
    display.print( CCS811TVOC );
    display.println( " ppb" );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display Z
void isDisplayZ() {
    // Text Display Z
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Z
    display.setCursor(0,10);
    display.print( "Z: " );
    display.println( z );
    // Refresh
    display.refresh();
    delay( 100 );
}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getGPS.ino

// GPS Receiver
// Setup GPS
void setupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1 , gpsRXPIN , gpsTXPIN );
  
}
// isGPS
void isGPS(){

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded
  while ( tGPS.available() > 0)
    
    if (gps.encode( tGPS.read() ))
    {
     
       // GPS Vector Pointer Target
       displayInfo();
       // GPS Date, Time, Speed, Altitude
       displayDTS();
       
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
   
     while(true);
    
  }

}
// GPS Vector Pointer Target
void displayInfo(){

  // Location
  if (gps.location.isValid())
  {
    
     // Latitude
     TargetLat = gps.location.lat();
     // Longitude
     TargetLon = gps.location.lng();
     // GPS Status 2
     GPSSt = "Yes";
    
  }
  else
  {

     // GPS Status 0
     GPSSt = "No";
    
  }

}
// GPS Date, Time, Speed, Altitude
void displayDTS(){

  // Date
  TargetDat = ""; 
  if (gps.date.isValid())
  {
    
     // Date
     // Year
     TargetDat += String(gps.date.year(), DEC);
     TargetDat += "/";
     // Month
     TargetDat += String(gps.date.month(), DEC);
     TargetDat += "/";
     // Day
     TargetDat += String(gps.date.day(), DEC);
    
  }

  // Time
  TargetTim = "";
  if (gps.time.isValid())
  {
    
     // Time
     // Hour
     TargetTim += String(gps.time.hour(), DEC);
     TargetTim += ":";
     // Minute
     TargetTim += String(gps.time.minute(), DEC);
     TargetTim += ":";
     // Secound
     TargetTim += String(gps.time.second(), DEC);
    
  }

  // Speed
  TargetSMS = "";
  TargetSKH = "";
  if (gps.speed.isValid())
  {
    
     // Speed
     // M/S
     int x = gps.speed.mps();
     TargetSMS = String( x, DEC);
     // Km/h
     int y = gps.speed.kmph();
     TargetSKH = String( y, DEC);

  }

  // Altitude
  TargetALT = "";
  if (gps.altitude.isValid())
  {
    
     // Altitude
     // Meters
     int z = gps.altitude.meters();
     TargetALT = String( z, DEC);

  }
  
}

getRTC.ino

// Date & Time
// PCF8523 Precision RTC
void setupRTC() {

  // Date & Time
  // pcf8523 Precision RTC   
  if (! rtc.begin()) {
    while (1);
  }  
  
  if (! rtc.initialized()) {
    
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
    // rtc.adjust(DateTime(2021, 8, 18, 8, 48, 0));
    
  }
  
}
// Date and Time RTC PCF8523
void isRTC () {

  // Date and Time
  dateRTC = "";
  timeRTC = "";
  DateTime now = rtc.now();
  
  // Date
  // Year
  dateRTC = now.year(), DEC; 
  dateRTC = dateRTC + "/";
  // Month
  dateRTC = dateRTC + now.month(), DEC;
  dateRTC = dateRTC + "/";
  // Day
  dateRTC = dateRTC + now.day(), DEC;
  
  // Time
  // Hour
  timeRTC = now.hour(), DEC;
  timeRTC = timeRTC + ":";
  // Minute
  timeRTC = timeRTC + now.minute(), DEC;
  timeRTC = timeRTC + ":";
  // Second
  timeRTC = timeRTC + now.second(), DEC;
  
}

getRot.ino

// Rotary Switch
// isRot - iRotVal - Value
void isRot() {
  
  // Rotary Switch
  z = analogRead( iRotNum );
  
  // Rotary Switch - 10 Position
  // Number 1 => 10
  if ( z >= 3600 ) {

    // Z
    iRotVal = 10;
    
  } else if ( z >= 3200 ) {

    // Z
    iRotVal = 9;
    
  } else if ( z >= 2700 ) {

    // Z
    iRotVal = 8;
    
  } else if ( z >= 2400 ) {

    // Z
    iRotVal = 7;
    
  } else if ( z >= 2000 ) {

    // Z
    iRotVal = 6;
    
  } else if ( z >= 1600 ) {

    // Z
    iRotVal = 5;
    
  } else if ( z >= 1200 ) {

    // Z
    iRotVal = 4;
    
  } else if ( z >= 900 ) {

    // Z
    iRotVal = 3;
    
  } else if ( z >= 500 ) {

    // Z
    iRotVal = 2;
    
  } else {

    // Z
    iRotVal = 1;
    
  }

  // Range Value
  switch ( iRotVal ) {
    case 1:

      // Display Date, Time
      isDisplayDate();
       
      break;
    case 2:

      // Display GPS
      isDisplayGPS();
         
      break;
    case 3:

      // GPS Date, Time, Speed, Altitude
      //isDisplayGPSDate();
      
      break;  
    case 4:
      
      // GPS Display Date, Time, Speed
      isDisplayGPSDate();
      
      break;
    case 5:
      
      // Display BME280
      isDisplayBME280();
      
      break;
    case 6:
      
      // Display CCS811 - eCO2 & tVOC
      isDisplayCCS811();
      
      break;       
    case 7:

      // Z
      isDisplayZ();
      
      break; 
    case 8:
         
      // Z
      isDisplayZ();
      
      break; 
    case 9:
      
      // Z
      isDisplayZ();
      
      break;
    case 10:

      // Z
      isDisplayZ();
      
      break;
  }
  
}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // EEPROM Unique ID|Version|Date|Time|GPS Status|Target Latitude|Target Longitude|GPS Date|GPS Time|GPS Speed M/S|GPS Speed Km/h|GPS Altitude|Temperature Celsius|Humidity|Altitude Meters|Barometric Pressure|eCO2 Concentration|tVOC Concentration|\r
  zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + GPSSt + "|" + TargetLat + "|" + TargetLon + "|" + TargetDat + "|" + TargetTim + "|" + TargetSMS + "|" + TargetSKH + "|" + TargetALT  + "|" + BMEtempC + "|" + BMEhumid + "|" + BMEaltitudeM + "|" + BMEpressure + "|" + CCS811CO2 + "|" + CCS811TVOC +  + "|\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/espdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

setup.ino

// Setup
void setup()
{
  
  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();
  
  // GPS Receiver
  // Setup GPS
  setupGPS();

  // Set up I2C bus
  Wire.begin();

  // SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
  myBME280.begin();
  
  // CCS811 - eCO2 & tVOC
  myCCS811.begin();
  
  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Date & Time RTC
  // PCF8523 Precision RTC
  isDisplayUID();
  
  // Setup RTC
  setupRTC();

  //MicroSD Card
  setupSD();

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // Slide Switch
  pinMode(iSS1, INPUT);

  delay( 5000 );
  
}

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
  • IoT
  • Robotics
  • Research & Development (R & D)
  • Desktop Applications (Windows, OSX, Linux, Multi-OS, Multi-Tier, etc…)
  • Mobile Applications (Android, iOS, Blackberry, Windows Mobile, Windows CE, etc…)
  • Web Applications (LAMP, Scripting, Java, ASP, ASP.NET, RoR, Wakanda, etc…)
  • Social Media Programming & Integration (Facebook, Twitter, YouTube, Pinterest, etc…)
  • Content Management Systems (WordPress, Drupal, Joomla, Moodle, etc…)
  • Bulletin Boards (phpBB, SMF, Vanilla, jobberBase, etc…)
  • eCommerce (WooCommerce, OSCommerce, ZenCart, PayPal Shopping Cart, etc…)

Instructor

  • PIC Microcontrollers
  • Arduino
  • Raspberry Pi
  • Espressif
  • Robotics
  • DOS, Windows, OSX, Linux, iOS, Android, Multi-OS
  • Linux-Apache-PHP-MySQL

Follow Us

J. Luc Paquin – Curriculum Vitae – 2021 English & Español
https://www.jlpconsultants.com/CV/LucPaquinCVEngMk2021c.pdf
https://www.jlpconsultants.com/CV/LucPaquinCVEspMk2021c.pdf

Web: https://www.donluc.com/
Web: https://www.jlpconsultants.com/
Web: https://www.donluc.com/DLE/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: https://zoom.us/
Patreon: https://www.patreon.com/DonLucElectronics
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/

Don Luc

Project #19: Time – Adalogger FeatherWing – RTC + SD – Mk05

——

#DonLucElectronics #DonLuc #Time #RTC #Display #Adalogger #MicroSD #GPSReceiver #Arduino #ESP32 #SparkFunESP32WROOM #Project #Programming #Electronics #Microcontrollers #Consultant #VideoBlog

——

Adalogger FeatherWing

——

Adalogger FeatherWing

——

Adalogger FeatherWing

——

Adalogger FeatherWing

——

Adalogger FeatherWing – RTC + SD

A Feather board without ambition is a Feather board without FeatherWings. This is the Adalogger FeatherWing: it adds both a battery-backed Real Time Clock and MicroSD card storage to any Feather main board. This FeatherWing will make it real easy to add datalogging to any of our existing Feathers. You get both an I2C Real Time Clock (PCF8523) with 32KHz crystal and battery backup, and a MicroSD socket that connects to the SPI port pins.

MicroSD Card

If you have a project with any audio, video, graphics, data logging, etc in it, you’ll find that having a removable storage option is essential. Most microcontrollers have extremely limited built-in storage. If you’re doing any sort of data logging, graphics or audio, you’ll need at least a megabyte of storage, and 64M is probably the minimum.

MicroSD cards are ‘raw’ storage. They’re just sectors in a flash chip, there’s no structure that you have to use. That means you could format an SD card to be a Linux filesystem, a FAT (DOS) filesystem or a Mac filesystem. You could also not have any filesystem at all. However, 99% of computers, cameras, MP3 players, GPS loggers, etc require FAT16 or FAT32 for the filesystem. The tradeoff here is that for smaller microcontrollers the addition of the complex file format handling can take a lot of flash storage and RAM.

DL2108Mk06

1 x SparkFun Thing Plus – ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x Adalogger FeatherWing – RTC + SD
1 x CR1220 3V Lithium Coin Cell Battery
1 x 32Gb microSD Card
1 x LED Green
1 x Rocker Switch – SPST (Round)
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery – 850mAh
1 x GPS Receiver – GP-20U7
1 x Rotary Switch – 10 Position
1 x SparkFun Rotary Switch – 10 Position
1 x Black Knob
1 x Breadboard Solderable
12 x 1K Ohm
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable

SparkFun Thing Plus – ESP32 WROOM

SCK – Digital 13
MSI – Digital 12
SS0 – Digital 27
GRX – Digital 16
GTX – Digital 17
SDA – Digital 23
SDL – Digital 22
SCK – Digital 5
MSO – Digital 19
MSI – Digital 18
SS1 – Digital 33
LEG – Digital 21
SW0 – Digital 32
ROT – Analog A0
VIN – +3.3V
GND – GND

DL2108Mk06p.ino

/* 
***** Don Luc Electronics © *****
Software Version Information
Project #19: Time - Adalogger FeatherWing - RTC + SD - Mk05
08-06
DL2108Mk06p.ino
1 x SparkFun Thing Plus - ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x Adalogger FeatherWing - RTC + SD
1 x CR1220 3V Lithium Coin Cell Battery
1 x 32Gb microSD Card
1 x LED Green
1 x Rocker Switch - SPST (Round)
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery - 850mAh
1 x GPS Receiver - GP-20U7
1 x Rotary Switch - 10 Position
1 x SparkFun Rotary Switch – 10 Position
1 x Black Knob
1 x Breadboard Solderable
12 x 1K Ohm
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM with Unique ID for Unit
#include "EEPROM.h"
// Wire
// #include <Wire.h>
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and time RTC
#include "RTClib.h"
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"

// SHARP Memory Display
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// Date and Time
// PCF8523 Precision RTC 
RTC_PCF8523 rtc;
// Date
String dateRTC = "";
// Time
String timeRTC = "";

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 16
// This one is unused and doesnt have a conection
#define gpsTXPIN 17
// The TinyGPS++ object
TinyGPSPlus gps;
// Latitude
float TargetLat;
// Longitude
float TargetLon;
// GPS Date, Time, Speed, Altitude
// GPS Date
String TargetDat;
// GPS Time
String TargetTim;
// GPS Speeds M/S
String TargetSMS;
// GPS Speeds Km/h
String TargetSKH;
// GPS Altitude Meters
String TargetALT;
// GPS Status
String GPSSt = "";

// Rotary Switch - 10 Position
// Number 1 => 10
int iRotNum = A0;
// iRotVal - Value 
int iRotVal = 0;
// Number
int z = 0;

// MicroSD Card
const int chipSelect = 33;
String zzzzzz = "";

// LED Green
int iLEDGreen = 21;

// Rocker Switch - SPST (Round)
int iSS1 = 32;
// State
int iSS1State = 0;

// Software Version Information
// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";
// Version
String sver = "19-05";

void loop()
{
     
  // Dates and Time
  isRTC();

  // isGPS
  isGPS();

  // Rotary Switch
  isRot();

  // Slide Switch
  // Read the state of the iSS1 value
  iSS1State = digitalRead(iSS1);
  
  // If it is the Slide Switch State is HIGH
  if (iSS1State == HIGH) {

    // iLEDGreen HIGH
    digitalWrite(iLEDGreen,  HIGH );
    
    // MicroSD Card
    isSD();

  } else {

    // iLEDGreen LOW
    digitalWrite(iLEDGreen,  LOW );
  
  }

  delay( 1000 );
 
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date
void isDisplayDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( "Date" );
    display.setCursor(0,30);
    display.println( dateRTC );
    // Time
    display.setCursor(0,55);
    display.println( "Time" );
    display.setCursor(0,75);
    display.println( timeRTC );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display GPS
void isDisplayGPS() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // GPS Status
    display.setCursor(0,5);
    display.print( "GPS: " );
    display.println( GPSSt );
    // Target Latitude
    display.setCursor(0,25);
    display.println( "Latitude" );
    display.setCursor(0,45);
    display.println( TargetLat );
    // Target Longitude
    display.setCursor(0,65);
    display.println( "Longitude" );
    display.setCursor(0,90);
    display.println( TargetLon );
    // Refresh
    display.refresh();
    delay( 100 );

}
// GPS Date, Time, Speed, Altitude
void isDisplayGPSDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // GPS
    display.setCursor(0,5);
    display.println( "GPS" );
    // Date
    display.setCursor(0,30);
    display.println( TargetDat );
    // Time
    display.setCursor(0,55);
    display.println( TargetTim );
    // Speed
    display.setCursor(0,75);
    display.print( "M/S: " );
    display.println( TargetSMS );
    display.setCursor(0,95);
    display.print( "Km/h: " );
    display.println( TargetSKH );
    display.setCursor(0,115);
    display.print( "Alt: " );
    display.println( TargetALT );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display Z
void isDisplayZ() {
    // Text Display Z
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Z
    display.setCursor(0,10);
    display.print( "Z: " );
    display.println( z );
    // Refresh
    display.refresh();
    delay( 100 );
}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getGPS.ino

// GPS Receiver
// Setup GPS
void setupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1 , gpsRXPIN , gpsTXPIN );
  
}
// isGPS
void isGPS(){

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded
  while ( tGPS.available() > 0)
    
    if (gps.encode( tGPS.read() ))
    {
     
       // GPS Vector Pointer Target
       displayInfo();
       // GPS Date, Time, Speed, Altitude
       displayDTS();
       
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
   
     while(true);
    
  }

}
// GPS Vector Pointer Target
void displayInfo(){

  // Location
  if (gps.location.isValid())
  {
    
     // Latitude
     TargetLat = gps.location.lat();
     // Longitude
     TargetLon = gps.location.lng();
     // GPS Status 2
     GPSSt = "Yes";
    
  }
  else
  {

     // GPS Status 0
     GPSSt = "No";
    
  }

}
// GPS Date, Time, Speed, Altitude
void displayDTS(){

  // Date
  TargetDat = ""; 
  if (gps.date.isValid())
  {
    
     // Date
     // Year
     TargetDat += String(gps.date.year(), DEC);
     TargetDat += "/";
     // Month
     TargetDat += String(gps.date.month(), DEC);
     TargetDat += "/";
     // Day
     TargetDat += String(gps.date.day(), DEC);
    
  }

  // Time
  TargetTim = "";
  if (gps.time.isValid())
  {
    
     // Time
     // Hour
     TargetTim += String(gps.time.hour(), DEC);
     TargetTim += ":";
     // Minute
     TargetTim += String(gps.time.minute(), DEC);
     TargetTim += ":";
     // Secound
     TargetTim += String(gps.time.second(), DEC);
    
  }

  // Speed
  TargetSMS = "";
  TargetSKH = "";
  if (gps.speed.isValid())
  {
    
     // Speed
     // M/S
     int x = gps.speed.mps();
     TargetSMS = String( x, DEC);
     // Km/h
     int y = gps.speed.kmph();
     TargetSKH = String( y, DEC);

  }

  // Altitude
  TargetALT = "";
  if (gps.altitude.isValid())
  {
    
     // Altitude
     // Meters
     int z = gps.altitude.meters();
     TargetALT = String( z, DEC);

  }
  
}

getRTC.ino

// Date & Time
// PCF8523 Precision RTC
void setupRTC() {

  // Date & Time
  // pcf8523 Precision RTC   
  if (! rtc.begin()) {
    while (1);
  }  
  
  if (! rtc.initialized()) {
    
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
    // rtc.adjust(DateTime(2021, 8, 16, 12, 27, 0));
    
  }
  
}
// Date and Time RTC PCF8523
void isRTC () {

  // Date and Time
  dateRTC = "";
  timeRTC = "";
  DateTime now = rtc.now();
  
  // Date
  // Year
  dateRTC = now.year(), DEC; 
  dateRTC = dateRTC + "/";
  // Month
  dateRTC = dateRTC + now.month(), DEC;
  dateRTC = dateRTC + "/";
  // Day
  dateRTC = dateRTC + now.day(), DEC;
  
  // Time
  // Hour
  timeRTC = now.hour(), DEC;
  timeRTC = timeRTC + ":";
  // Minute
  timeRTC = timeRTC + now.minute(), DEC;
  timeRTC = timeRTC + ":";
  // Second
  timeRTC = timeRTC + now.second(), DEC;
  
}

getRot.ino

// Rotary Switch
// isRot - iRotVal - Value
void isRot() {
  
  // Rotary Switch
  z = analogRead( iRotNum );
  
  // Rotary Switch - 10 Position
  // Number 1 => 10
  if ( z >= 3500 ) {

    // Z
    iRotVal = 10;
    
  } else if ( z >= 3000 ) {

    // Z
    iRotVal = 9;
    
  } else if ( z >= 2600 ) {

    // Z
    iRotVal = 8;
    
  } else if ( z >= 2300 ) {

    // Z
    iRotVal = 7;
    
  } else if ( z >= 1900 ) {

    // Z
    iRotVal = 6;
    
  } else if ( z >= 1500 ) {

    // Z
    iRotVal = 5;
    
  } else if ( z >= 1200 ) {

    // Z
    iRotVal = 4;
    
  } else if ( z >= 800 ) {

    // Z
    iRotVal = 3;
    
  } else if ( z >= 400 ) {

    // Z
    iRotVal = 2;
    
  } else {

    // Z
    iRotVal = 1;
    
  }

  // Range Value
  switch ( iRotVal ) {
    case 1:

      // Display Date, Time
      isDisplayDate();
       
      break;
    case 2:

      // Display GPS
      isDisplayGPS();
         
      break;
    case 3:

      // GPS Date, Time, Speed, Altitude
      //isDisplayGPSDate();
      
      break;  
    case 4:
      
      // GPS Display Date, Time, Speed
      isDisplayGPSDate();
      
      break;
    case 5:
      
      // Z
      isDisplayZ();
      
      break;
    case 6:
      
      // Z
      isDisplayZ();
      
      break;       
    case 7:

      // Z
      isDisplayZ();
      
      break; 
    case 8:
         
      // Z
      isDisplayZ();
      
      break; 
    case 9:
      
      // Z
      isDisplayZ();
      
      break;
    case 10:

      // Z
      isDisplayZ();
      
      break;
  }
  
}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // EEPROM Unique ID|Version|Date|Time|GPS Status|Target Latitude|Target Longitude|GPS Date|GPS Time|GPS Speed M/S|GPS Speed Km/h|GPS Altitude|\r
  zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + GPSSt + "|" + TargetLat + "|" + TargetLon + "|" + TargetDat + "|" + TargetTim + "|" + TargetSMS + "|" + TargetSKH + "|" + TargetALT + "|\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/espdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

setup.ino

// Setup
void setup()
{
  
  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();
  
  // GPS Receiver
  // Setup GPS
  setupGPS();

  // Set up I2C bus
  // Wire.begin();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Date & Time RTC
  // PCF8523 Precision RTC
  isDisplayUID();
  
  // Setup RTC
  setupRTC();

  //MicroSD Card
  setupSD();

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // Slide Switch
  pinMode(iSS1, INPUT);

  delay( 5000 );
  
}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
  • IoT
  • Robotics
  • Research & Development (R & D)
  • Desktop Applications (Windows, OSX, Linux, Multi-OS, Multi-Tier, etc…)
  • Mobile Applications (Android, iOS, Blackberry, Windows Mobile, Windows CE, etc…)
  • Web Applications (LAMP, Scripting, Java, ASP, ASP.NET, RoR, Wakanda, etc…)
  • Social Media Programming & Integration (Facebook, Twitter, YouTube, Pinterest, etc…)
  • Content Management Systems (WordPress, Drupal, Joomla, Moodle, etc…)
  • Bulletin Boards (phpBB, SMF, Vanilla, jobberBase, etc…)
  • eCommerce (WooCommerce, OSCommerce, ZenCart, PayPal Shopping Cart, etc…)

Instructor

  • PIC Microcontrollers
  • Arduino
  • Raspberry Pi
  • Espressif
  • Robotics
  • DOS, Windows, OSX, Linux, iOS, Android, Multi-OS
  • Linux-Apache-PHP-MySQL

Follow Us

J. Luc Paquin – Curriculum Vitae – 2021 English & Español
https://www.jlpconsultants.com/CV/LucPaquinCVEngMk2021c.pdf
https://www.jlpconsultants.com/CV/LucPaquinCVEspMk2021c.pdf

Web: https://www.donluc.com/
Web: https://www.jlpconsultants.com/
Web: https://www.donluc.com/DLE/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: https://zoom.us/
Patreon: https://www.patreon.com/DonLucElectronics
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/

Don Luc

Project #19: Time – Global Positioning System – Mk04

——

#DonLucElectronics #DonLuc #Time #DS3231PrecisionRTC #SHARPMemoryDisplay #GPSReceiver #Arduino #ESP32 #SparkFunThingPlusESP32WROOM #Project #Programming #Electronics #Microcontrollers #Consultant #VideoBlog

——

Global Positioning System

——

Global Positioning System

——

Global Positioning System

——

Global Positioning System

——

Global Positioning System (GPS)

The Global Positioning System (GPS) is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Obstacles such as mountains and buildings block the relatively weak GPS signals.

A satellite navigation device, colloquially called a GPS receiver, or simply a GPS, is a device that is capable of receiving information from GNSS satellites and then calculate the device’s geographical position. Using suitable software, the device may display the position on a map, and it may offer routing directions. The Global Positioning System (GPS) is one of a handful of global navigation satellite systems (GNSS) made up of a network of a minimum of 24, but currently 30, satellites placed into orbit by the U.S. Department of Defense.

A satellite navigation device can retrieve (from one or more satellite systems) location and time information in all weather conditions, anywhere on or near the Earth. GPS reception requires an unobstructed line of sight to four or more GPS satellites, and is subject to poor satellite signal conditions. Today, most standalone GPS receivers are used in automobiles. The GPS capability of smartphones may use assisted GPS (A-GPS) technology, which can use the base station or cell towers to provide a faster Time to First Fix (TTFF), especially when GPS signals are poor or unavailable. However, the mobile network part of the A-GPS technology would not be available when the smartphone is outside the range of the mobile reception network, while the GPS aspect would otherwise continue to be available.

DL2108Mk05

1 x SparkFun Thing Plus – ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x DS3231 Precision RTC FeatherWing
1 x CR1220 3V Lithium Coin Cell Battery
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery – 850mAh
1 x GPS Receiver – GP-20U7
1 x Mountable Slide Switch
1 x SparkFun Rotary Switch – 10 Position
1 x Black Knob
1 x Breadboard Solderable
11 x 1K Ohm
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable

SparkFun Thing Plus – ESP32 WROOM

SCK – Digital 13
MSI – Digital 12
SS0 – Digital 27
GRX – Digital 16
GTX – Digital 17
SDA – Digital 23
SDL – Digital 22
ROT – Analog A0
VIN – +3.3V
GND – GND

DL2108Mk05p.ino

/* 
***** Don Luc Electronics © *****
Software Version Information
Project #19: Time - Global Positioning System - Mk04
08-05
DL2108Mk05p.ino
1 x SparkFun Thing Plus - ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x DS3231 Precision RTC FeatherWing
1 x CR1220 3V Lithium Coin Cell Battery
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery - 850mAh
1 x GPS Receiver - GP-20U7
1 x Mountable Slide Switch
1 x SparkFun Rotary Switch – 10 Position
1 x Black Knob
1 x Breadboard Solderable
11 x 1K Ohm
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Wire
// #include <Wire.h>
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and time DS3231 RTC
#include <RTClib.h>
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>

// SHARP Memory Display
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// Date and time functions using a DS3231 RTC
RTC_DS3231 RTC;
// Date
String sDate;
// Time
String sTime;

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 16
// This one is unused and doesnt have a conection
#define gpsTXPIN 17
// The TinyGPS++ object
TinyGPSPlus gps;
// Latitude
float TargetLat;
// Longitude
float TargetLon;
// GPS Date, Time, Speed, Altitude
// GPS Date
String TargetDat;
// GPS Time
String TargetTim;
// GPS Speeds M/S
String TargetSMS;
// GPS Speeds Km/h
String TargetSKH;
// GPS Altitude Meters
String TargetALT;
// GPS Status
String GPSSt = "";

// Rotary Switch - 10 Position
// Number 1 => 10
int iRotNum = A0;
// iRotVal - Value 
int iRotVal = 0;
// Number
int z = 0;

// Software Version Information
// Version
String sver = "19-04";

void loop()
{
     
  // Dates and Time
  timeRTC();

  // isGPS
  isGPS();

  // Rotary Switch
  isRot();

  delay( 1000 );
 
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    display.setTextSize(2);
    display.setCursor(0,100);   
    display.println( sver );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date
void isDisplayDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( "Date" );
    display.setCursor(0,30);
    display.println( sDate );
    // Time
    display.setCursor(0,55);
    display.println( "Time" );
    display.setCursor(0,75);
    display.println( sTime );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display GPS
void isDisplayGPS() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // GPS Status
    display.setCursor(0,5);
    display.print( "GPS: " );
    display.println( GPSSt );
    // Target Latitude
    display.setCursor(0,25);
    display.println( "Latitude" );
    display.setCursor(0,45);
    display.println( TargetLat );
    // Target Longitude
    display.setCursor(0,65);
    display.println( "Longitude" );
    display.setCursor(0,90);
    display.println( TargetLon );
    // Refresh
    display.refresh();
    delay( 100 );

}
// GPS Date, Time, Speed, Altitude
void isDisplayGPSDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // GPS
    display.setCursor(0,5);
    display.println( "GPS" );
    // Date
    display.setCursor(0,30);
    display.println( TargetDat );
    // Time
    display.setCursor(0,55);
    display.println( TargetTim );
    // Speed
    display.setCursor(0,75);
    display.print( "M/S: " );
    display.println( TargetSMS );
    display.setCursor(0,95);
    display.print( "Km/h: " );
    display.println( TargetSKH );
    display.setCursor(0,115);
    display.print( "Alt: " );
    display.println( TargetALT );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display Z
void isDisplayZ() {
    // Text Display Z
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Z
    display.setCursor(0,10);
    display.print( "Z: " );
    display.println( z );
    // Refresh
    display.refresh();
    delay( 100 );
}

getGPS.ino

// GPS Receiver
// Setup GPS
void setupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1 , gpsRXPIN , gpsTXPIN );
  
}
// isGPS
void isGPS(){

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded
  while ( tGPS.available() > 0)
    
    if (gps.encode( tGPS.read() ))
    {
     
       // GPS Vector Pointer Target
       displayInfo();
       // GPS Date, Time, Speed, Altitude
       displayDTS();
       
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
   
     while(true);
    
  }

}
// GPS Vector Pointer Target
void displayInfo(){

  // Location
  if (gps.location.isValid())
  {
    
     // Latitude
     TargetLat = gps.location.lat();
     // Longitude
     TargetLon = gps.location.lng();
     // GPS Status 2
     GPSSt = "Yes";
    
  }
  else
  {

     // GPS Status 0
     GPSSt = "No";
    
  }

}
// GPS Date, Time, Speed, Altitude
void displayDTS(){

  // Date
  TargetDat = ""; 
  if (gps.date.isValid())
  {
    
     // Date
     // Year
     TargetDat += String(gps.date.year(), DEC);
     TargetDat += "/";
     // Month
     TargetDat += String(gps.date.month(), DEC);
     TargetDat += "/";
     // Day
     TargetDat += String(gps.date.day(), DEC);
    
  }

  // Time
  TargetTim = "";
  if (gps.time.isValid())
  {
    
     // Time
     // Hour
     TargetTim += String(gps.time.hour(), DEC);
     TargetTim += ":";
     // Minute
     TargetTim += String(gps.time.minute(), DEC);
     TargetTim += ":";
     // Secound
     TargetTim += String(gps.time.second(), DEC);
    
  }

  // Speed
  TargetSMS = "";
  TargetSKH = "";
  if (gps.speed.isValid())
  {
    
     // Speed
     // M/S
     int x = gps.speed.mps();
     TargetSMS = String( x, DEC);
     // Km/h
     int y = gps.speed.kmph();
     TargetSKH = String( y, DEC);

  }

  // Altitude
  TargetALT = "";
  if (gps.altitude.isValid())
  {
    
     // Altitude
     // Meters
     int z = gps.altitude.meters();
     TargetALT = String( z, DEC);

  }
  
}

getRTCDS3231.ino

// DS3231 Precision RTC
// Setup RTC
void setupRTC() {

  // DS3231 Precision RTC   
  RTC.begin();
  if (! RTC.begin()) {
    while (1);
  }
  
  // Date Time
  DateTime now = RTC.now();

  if (RTC.lostPower()) {
    
    // Following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // August 2, 2021 at 13:53:0 you would call:
    // RTC.adjust(DateTime(2021, 8, 2, 14, 11, 0));
    
  }
  
}
// timeRTC
void timeRTC() {

    // DS3231 Precision RTC
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = RTC.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);
  
    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getRot.ino

// Rotary Switch
// isRot - iRotVal - Value
void isRot() {
  
  // Rotary Switch
  z = analogRead( iRotNum );
  
  // Rotary Switch - 10 Position
  // Number 1 => 10
  if ( z >= 3500 ) {

    // Z
    iRotVal = 10;
    
  } else if ( z >= 3000 ) {

    // Z
    iRotVal = 9;
    
  } else if ( z >= 2600 ) {

    // Z
    iRotVal = 8;
    
  } else if ( z >= 2300 ) {

    // Z
    iRotVal = 7;
    
  } else if ( z >= 1900 ) {

    // Z
    iRotVal = 6;
    
  } else if ( z >= 1500 ) {

    // Z
    iRotVal = 5;
    
  } else if ( z >= 1200 ) {

    // Z
    iRotVal = 4;
    
  } else if ( z >= 800 ) {

    // Z
    iRotVal = 3;
    
  } else if ( z >= 400 ) {

    // Z
    iRotVal = 2;
    
  } else {

    // Z
    iRotVal = 1;
    
  }

  // Range Value
  switch ( iRotVal ) {
    case 1:

      // Display Date, Time
      isDisplayDate();
       
      break;
    case 2:

      // Display GPS
      isDisplayGPS();
         
      break;
    case 3:

      // GPS Date, Time, Speed, Altitude
      //isDisplayGPSDate();
      
      break;  
    case 4:
      
      // GPS Display Date, Time, Speed
      isDisplayGPSDate();
      
      break;
    case 5:
      
      // Z
      isDisplayZ();
      
      break;
    case 6:
      
      // Z
      isDisplayZ();
      
      break;       
    case 7:
      
      // Z
      isDisplayZ();
      
      break; 
    case 8:
         
      // Z
      isDisplayZ();
      
      break; 
    case 9:
      
      // Z
      isDisplayZ();
      
      break;
    case 10:

      // Z
      isDisplayZ();
      
      break;
  }
  
}

setup.ino

// Setup
void setup()
{
  
  // GPS Receiver
  // Setup GPS
  setupGPS();

  // Set up I2C bus
  // Wire.begin();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Display UID
  isDisplayUID();
  
  // Setup RTC
  setupRTC();

  delay( 5000 );
  
}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
  • IoT
  • Robotics
  • Research & Development (R & D)
  • Desktop Applications (Windows, OSX, Linux, Multi-OS, Multi-Tier, etc…)
  • Mobile Applications (Android, iOS, Blackberry, Windows Mobile, Windows CE, etc…)
  • Web Applications (LAMP, Scripting, Java, ASP, ASP.NET, RoR, Wakanda, etc…)
  • Social Media Programming & Integration (Facebook, Twitter, YouTube, Pinterest, etc…)
  • Content Management Systems (WordPress, Drupal, Joomla, Moodle, etc…)
  • Bulletin Boards (phpBB, SMF, Vanilla, jobberBase, etc…)
  • eCommerce (WooCommerce, OSCommerce, ZenCart, PayPal Shopping Cart, etc…)

Instructor

  • PIC Microcontrollers
  • Arduino
  • Raspberry Pi
  • Espressif
  • Robotics
  • DOS, Windows, OSX, Linux, iOS, Android, Multi-OS
  • Linux-Apache-PHP-MySQL

Follow Us

J. Luc Paquin – Curriculum Vitae – 2021 English & Español
https://www.jlpconsultants.com/CV/LucPaquinCVEngMk2021c.pdf
https://www.jlpconsultants.com/CV/LucPaquinCVEspMk2021c.pdf

Web: https://www.donluc.com/
Web: https://www.jlpconsultants.com/
Web: https://www.donluc.com/DLE/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
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Patreon: https://www.patreon.com/DonLucElectronics
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Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/

Don Luc

Project #19: Time – GPS Receiver – GP-20U7 – Mk03

——

#DonLucElectronics #DonLuc #Time #DS3231PrecisionRTC #SHARPMemoryDisplay #GPSReceiver #Arduino #ESP32 #SparkFunThingPlusESP32WROOM #Project #Programming #Electronics #Microcontrollers #Consultant #VideoBlog

——

GPS Receiver

——

GPS Receiver

——

GPS Receiver

——

GPS Receiver

——

GPS Receiver

——

GPS Receiver – GP-20U7

The GP-20U7 is a compact GPS receiver with a built-in high performances all-in-one GPS chipset. The GP-20U7 accurately provides position, velocity, and time readings as well possessing high sensitivity and tracking capabilities. Thanks to the low power consumption this receiver requires, the GP-20U7 is ideal for portable applications such as tablet PCs, smart phones, and other devices requiring positioning capability.

This 56-channel GPS module, that supports a standard NMEA-0183 and uBlox 7 protocol, has low power consumption of 40mA@3.3V (max), an antenna on board, and -162dBm tracking sensitivity. With 56 channels in search mode and 22 channels “all-in-view” tracking, the GP-20U7 is quite the work horse for its size.

This one is unused and doesnt have a conection TX pin.

NMEA V3.01 Protocol

  • Its output signal level is TTL: 9600bps (default), 8 bit data, 1 stop bit and no parity
  • It supports the following NMEA-0183
  • Messages: GGA, GLL, GSA, GSV, RMC and VTG

NMEA-0183 Output Messages

  • NMEA: Record Description
  • GGA: Global positoning system fixed data
  • GLL: Geogrphic position – latitude / longitude
  • GSA: GNSS DOP and active satellites
  • GSV: GNSS satellites in view
  • RMC: Recommended minimum specific GNSS data
  • VTG: Course over ground and ground speed

DL2108Mk03

1 x SparkFun Thing Plus – ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x DS3231 Precision RTC FeatherWing
1 x CR1220 3V Lithium Coin Cell Battery
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery – 850mAh
1 x GPS Receiver – GP-20U7
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable

SparkFun Thing Plus – ESP32 WROOM

SCK – Digital 13
MSI – Digital 12
SS0 – Digital 27
GRX – Digital 16
GTX – Digital 17
SDA – Digital 23
SDL – Digital 22
VIN – +3.3V
GND – GND

DL2108Mk03p.ino

/* 
***** Don Luc Electronics © *****
Software Version Information
Project #19: Time -GPS Receiver - GP-20U7 - Mk03
08-03
DL2108Mk03p.ino
1 x SparkFun Thing Plus - ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x DS3231 Precision RTC FeatherWing
1 x CR1220 3V Lithium Coin Cell Battery
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery - 850mAh
1 x GPS Receiver - GP-20U7
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Wire
// #include <Wire.h>
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and time DS3231 RTC
#include <RTClib.h>
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>

// SHARP Memory Display
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// Date and time functions using a DS3231 RTC
RTC_DS3231 RTC;
String sDate;
String sTime;

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 16
// This one is unused and doesnt have a conection
#define gpsTXPIN 17
// The TinyGPS++ object
TinyGPSPlus gps;
float TargetLat;
float TargetLon;
int GPSStatus = 0;
String GPSSt = "";

// Software Version Information
// Version
String sver = "19-03";

void loop()
{
     
  // Dates and Time
  timeRTC();

  // isGPS
  isGPS();

  // Display Date, Time, GPS
  isDisplayDate();

  delay( 1000 );
 
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    display.setTextSize(2);
    display.setCursor(0,100);   
    display.println( sver );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date
void isDisplayDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // GPS Status
    display.setCursor(0,55);
    display.print( "GPS: " );
    display.println( GPSSt );
    // Target Latitude
    display.setCursor(0,75);
    display.println( "Latitude" );
    display.setCursor(0,100);
    display.println( TargetLat );
    // Target Longitude
    display.setCursor(0,120);
    display.println( "Longitude" );
    display.setCursor(0,145);
    display.println( TargetLon );
    // Refresh
    display.refresh();
    delay( 100 );

}

getGPS.ino

// GPS Receiver
// Setup GPS
void setupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1 , gpsRXPIN , gpsTXPIN );
  
}
// isGPS
void isGPS(){

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded
  while ( tGPS.available() > 0)
    
    if (gps.encode( tGPS.read() ))
    {
     
       // GPS Vector Pointer Target
       displayInfo();
      
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
   
     while(true);
    
  }

}
// GPS Vector Pointer Target
void displayInfo(){

  // Location
  if (gps.location.isValid())
  {
    
     // Latitude
     TargetLat = gps.location.lat();
     // Longitude
     TargetLon = gps.location.lng();
     // GPS Status 2
     GPSStatus = 2;
     GPSSt = "Yes";
    
  }
  else
  {

     // GPS Status 0
     GPSStatus = 0;
     GPSSt = "No";
    
  }

}

getRTCDS3231.ino

// DS3231 Precision RTC
// Setup RTC
void setupRTC() {

  // DS3231 Precision RTC   
  RTC.begin();
  if (! RTC.begin()) {
    while (1);
  }
  
  // Date Time
  DateTime now = RTC.now();

  if (RTC.lostPower()) {
    
    // Following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // August 2, 2021 at 13:53:0 you would call:
    // RTC.adjust(DateTime(2021, 8, 2, 14, 11, 0));
    
  }
  
}
// timeRTC
void timeRTC() {

    // DS3231 Precision RTC
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = RTC.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);
  
    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

setup.ino

// Setup
void setup()
{
  
  // GPS Receiver
  // Setup GPS
  setupGPS();

  // Set up I2C bus
  // Wire.begin();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Display UID
  isDisplayUID();
  
  // Setup RTC
  setupRTC();

  delay( 5000 );
  
}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
  • IoT
  • Robotics
  • Research & Development (R & D)
  • Desktop Applications (Windows, OSX, Linux, Multi-OS, Multi-Tier, etc…)
  • Mobile Applications (Android, iOS, Blackberry, Windows Mobile, Windows CE, etc…)
  • Web Applications (LAMP, Scripting, Java, ASP, ASP.NET, RoR, Wakanda, etc…)
  • Social Media Programming & Integration (Facebook, Twitter, YouTube, Pinterest, etc…)
  • Content Management Systems (WordPress, Drupal, Joomla, Moodle, etc…)
  • Bulletin Boards (phpBB, SMF, Vanilla, jobberBase, etc…)
  • eCommerce (WooCommerce, OSCommerce, ZenCart, PayPal Shopping Cart, etc…)

Instructor

  • PIC Microcontrollers
  • Arduino
  • Raspberry Pi
  • Espressif
  • Robotics
  • DOS, Windows, OSX, Linux, iOS, Android, Multi-OS
  • Linux-Apache-PHP-MySQL

Follow Us

J. Luc Paquin – Curriculum Vitae – 2021 English & Español
https://www.jlpconsultants.com/CV/LucPaquinCVEngMk2021c.pdf
https://www.jlpconsultants.com/CV/LucPaquinCVEspMk2021c.pdf

Web: https://www.donluc.com/
Web: https://www.jlpconsultants.com/
Web: https://www.donluc.com/DLE/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: https://zoom.us/
Patreon: https://www.patreon.com/DonLucElectronics
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/

Don Luc

Project #19: Time – SHARP Memory Display – Mk02

——

#DonLucElectronics #DonLuc #Time #DS3231PrecisionRTC #SHARPMemoryDisplay #Arduino #ESP32 #SparkFunThingPlusESP32WROOM #Project #Programming #Electronics #Microcontrollers #Consultant #VideoBlog

——

SHARP Memory Display

——

SHARP Memory Display

——

SHARP Memory Display

——

SHARP Memory Display

——

Adafruit SHARP Memory Display Breakout – 1.3 Inches – 168 Pixels x 144 Pixels Monochrome

The 1.3 inches 168 pixels x 144 pixels SHARP Memory LCD display is a cross between an eInk display and an LCD. It has the ultra-low power usage of eInk and the fast-refresh rates of an LCD. This model has a gray background, and pixels show up as black-on-gray for a nice e-reader type display. It does not have a backlight, but it is daylight readable. For dark/night reading you may need to illuminate the LCD area with external LEDs.

The display is write only which means that it only needs 3 pins to send data. However, the downside of a write-only display is that the entire 168×144 bits must be buffered by the microcontroller driver. That means you cannot use this with an ATmega328 or ATmega32u4. You must use a high-RAM chip such as ATSAMD21, Teensy 3, ESP8266, ESP32, etc. On those chips, this display works great and looks wonderful.

DL2108Mk02

1 x SparkFun Thing Plus – ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x DS3231 Precision RTC FeatherWing
1 x CR1220 3V Lithium Coin Cell Battery
1 x Terminal Block Breakout FeatherWing
1 x Lithium Ion Battery – 850mAh
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable

SparkFun Thing Plus – ESP32 WROOM

SCK – Digital 13
MSI – Digital 12
SS0 – Digital 27
SDA – Digital 23
SDL – Digital 22
VIN – +3.3V
GND – GND

DL2108Mk02p.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #19: Time -SHARP Memory Display - Mk02
08-02
DL2108Mk02p.ino
1 x SparkFun Thing Plus - ESP32 WROOM
1 x Adafruit SHARP Memory Display
1 x DS3231 Precision RTC FeatherWing
1 x CR1220 3V Lithium Coin Cell Battery
1 x Terminal Block Breakout FeatherWing
1 x Qwiic Cable - 50mm
1 x Lithium Ion Battery - 850mAh
1 x Half-Size Breadboard
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
#include <Wire.h>
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and time DS3231 RTC
#include <RTClib.h>

// SHARP Memory Display
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// Set this to 1000 to get _about_ 1 second timing
const int CLOCK_SPEED = 1000;
// Last Draw
unsigned long lastDraw = 0;

// Date and time functions using a DS3231 RTC
RTC_DS3231 RTC;
String sDate;
String sTime;

// Software Version Information
// Version
String sver = "19-02";

void loop()
{
  
  // Check if we need to update date, time
  if (lastDraw + CLOCK_SPEED < millis())
  {
    
    // Last Draw
    lastDraw = millis();
    
    // Dates and Time
    timeRTC();

    // is OLED
    //isOLED();
    isDisplayDate();
    
  }
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    display.setTextSize(2);
    display.setCursor(0,100);   
    display.println( sver );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date
void isDisplayDate() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // Refresh
    display.refresh();
    delay( 100 );

}

getRTCDS3231.ino

// DS3231 Precision RTC
// Setup RTC
void setupRTC() {

  // DS3231 Precision RTC   
  RTC.begin();
  if (! RTC.begin()) {
    while (1);
  }
  
  DateTime now = RTC.now();

  if (RTC.lostPower()) {
    
    // Following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // August 2, 2021 at 13:53:0 you would call:
    // RTC.adjust(DateTime(2021, 8, 2, 14, 11, 0));
    
  }
  
}
// timeRTC
void timeRTC() {

    // DS3231 Precision RTC
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = RTC.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);
  
    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Display UID
  isDisplayUID();
  
  // Setup RTC
  setupRTC();

  delay( 5000 );
  
}

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
  • IoT
  • Robotics
  • Research & Development (R & D)
  • Desktop Applications (Windows, OSX, Linux, Multi-OS, Multi-Tier, etc…)
  • Mobile Applications (Android, iOS, Blackberry, Windows Mobile, Windows CE, etc…)
  • Web Applications (LAMP, Scripting, Java, ASP, ASP.NET, RoR, Wakanda, etc…)
  • Social Media Programming & Integration (Facebook, Twitter, YouTube, Pinterest, etc…)
  • Content Management Systems (WordPress, Drupal, Joomla, Moodle, etc…)
  • Bulletin Boards (phpBB, SMF, Vanilla, jobberBase, etc…)
  • eCommerce (WooCommerce, OSCommerce, ZenCart, PayPal Shopping Cart, etc…)

Instructor

  • PIC Microcontrollers
  • Arduino
  • Raspberry Pi
  • Espressif
  • Robotics
  • DOS, Windows, OSX, Linux, iOS, Android, Multi-OS
  • Linux-Apache-PHP-MySQL

Follow Us

J. Luc Paquin – Curriculum Vitae – 2021 English & Español
https://www.jlpconsultants.com/CV/LucPaquinCVEngMk2021c.pdf
https://www.jlpconsultants.com/CV/LucPaquinCVEspMk2021c.pdf

Web: https://www.donluc.com/
Web: https://www.jlpconsultants.com/
Web: https://www.donluc.com/DLE/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: https://zoom.us/
Patreon: https://www.patreon.com/DonLucElectronics
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/

Don Luc

Project #14: Components – Adafruit Adalogger FeatherWing – RTC + SD – Mk10

——

#DonLuc #Electronics #Components #Microcontrollers #Environment #Adafruit #Consultant #Vlog #Aphasia

——

Components

——

Components

——

Components

——

Adafruit Adalogger FeatherWing – RTC + SD

Adafruit Item: 2922

This is the Adafruit Adalogger FeatherWing it adds both a battery-backed Real Time Clock and microSD card storage to any Feather main board. This FeatherWing will make it real easy to add datalogging. You get both an I2C real time clock (PCF8523) with 32KHz crystal and battery backup, and a microSD socket that connects to the SPI port pins. Does not come with a microSD card. A CR1220 coin cell is required to use the RTC battery-backup capabilities.

Technology Experience

  • Research & Development (R & D)
  • Desktop Applications (Windows, OSX, Linux, Multi-OS, Multi-Tier, etc…)
  • Mobile Applications (Android, iOS, Blackberry, Windows Mobile, Windows CE, etc…)
  • Web Applications (LAMP, Scripting, Java, ASP, ASP.NET, RoR, Wakanda, etc…)
  • Social Media Programming & Integration (Facebook, Twitter, YouTube, Pinterest, etc…)
  • Content Management Systems (WordPress, Drupal, Joomla, Moodle, etc…)
  • Bulletin Boards (phpBB, SMF, Vanilla, jobberBase, etc…)
  • eCommerce (WooCommerce, OSCommerce, ZenCart, PayPal Shopping Cart, etc…)

Instructor

  • DOS, Windows, OSX, Linux, iOS, Android, Multi-OS
  • Linux-Apache-PHP-MySQL
  • Robotics
  • Arduino
  • Raspberry Pi
  • Espressif

Follow Us

The Alpha Geek

Why “The Alpha Geek”?

Aphasia
https://www.donluc.com/?page_id=2149

J. Luc Paquin – Curriculum Vitae
https://www.donluc.com/DLHackster/LucPaquinCVEngMk2020a.pdf

Web: https://www.donluc.com/
Web: http://www.jlpconsultants.com/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/

Don Luc

Project #12: Robotics – Unmanned Vehicles 1e – Mk09

——

Robotics

——

Robotics

——

Robotics

——

Robotics

——

Robotics

——

DL2002Mk05

1 x Arduino UNO – R3
1 x Arduino UNO – SparkFun RedBoard
1 x ProtoScrewShield
1 x Adafruit RGB LCD Shield 16×2 Character Display
2 x XBee S1
1 x SparkFun XBee Explorer Regulated
1 x Breakout Board for XBee Module
2 x EasyDriver
2 x Small Stepper
1 x Adafruit PowerBoost 500 Shield
1 x Lithium Ion Battery – 2Ah
1 x LED Green
1 x Slide Pot (Small)
1 x Knob
7 x Jumper Wires 3″ M/M
16 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun XBee Explorer USB
1 x DIGI XCTU Software
1 x SparkFun USB Mini-B Cable
1 x SparkFun Cerberus USB Cable

Arduino UNO

TX0 – Digital 1
RX0 – Digital 0
LP1 – Analog A0
VIN – +5V
GND – GND

XBee S1: Transmitter

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 40717A1F
CE Coordinator: Coordinator
BD: 9600

DL2002Mk05p.ino

// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - Unmanned Vehicles 1d - Mk09
// 02-05
// DL2002Mk01p.ino 12-09
// Arduino UNO - R3
// ProtoScrewShield
// Adafruit RGB LCD Shield 16×2 Character Display
// EEPROM with Unique ID
// Transmitter
// XBee S1
// Stepper
// Slide Pot (Small)
// Knob

// Include the library code:
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>
// Adafruit RGB LCD Shield
#include <Adafruit_RGBLCDShield.h>

// Adafruit RGB LCD Shield
Adafruit_RGBLCDShield RGBLCDShield = Adafruit_RGBLCDShield();

// These #defines make it easy to set the backlight color
#define OFF 0x0
#define RED 0x1
#define YELLOW 0x3
#define GREEN 0x2
#define TEAL 0x6
#define BLUE 0x4
#define VIOLET 0x5
#define WHITE 0x7

// Momentary Button
int yy = 0;
uint8_t momentaryButton = 0;

// Communication
unsigned long dTime = 50;

// Slide Pot (Small)
int iSP1 = A0;                           // Select the input pin for the slide pot
int iValue = 0;                          // Variable to store the value

// The current address in the EEPROM (i.e. which byte we're going to  read to next)
// Version
String sver = "12-9.p";
// Unit ID Information
String uid = "";

void loop() {

  // Clear
  RGBLCDShield.clear();

  // set the cursor to column 0, line 0
  RGBLCDShield.setCursor(0,0);
  RGBLCDShield.print("Robotics");         // Robotics 

  // Momentary Button
  momentaryButton = RGBLCDShield.readButtons();

  switch ( yy ) {
    case 1:
    
      // Up
      isSwitch1();
      
      break;
    case 2:
    
      // Down
      isSwitch2();
      
      break;
    case 3:

      // Right
      isSwitch3();
      
      break;
    case 4:

      // Left
      isSwitch4();
      
      break;
    case 5:

      // Stop
      isSwitch5();
      
      break;
    default:

      // Stop
      yy = 5;
      RGBLCDShield.setBacklight(RED);
      isSwitch5();

   }
   
   if ( momentaryButton ) {
    
    if ( momentaryButton & BUTTON_UP ) {
      
      yy = 1;
      // Up
      RGBLCDShield.setBacklight(GREEN);
      
    }
    
    if ( momentaryButton & BUTTON_DOWN ) {
      
      yy = 2;
      // Down
      RGBLCDShield.setBacklight(VIOLET);
      
    }
    
    if ( momentaryButton & BUTTON_LEFT ) {
      
      yy = 3;
      // Right
      RGBLCDShield.setBacklight(TEAL);
      
    }
    
    if ( momentaryButton & BUTTON_RIGHT ) {

      yy = 4;
      // Left
      RGBLCDShield.setBacklight(YELLOW);
    }
    
    if ( momentaryButton & BUTTON_SELECT ) {

      yy = 5;
      // Stop
      RGBLCDShield.setBacklight(RED);
   
    }
    
  }

  // Read the value
  iValue = analogRead( iSP1 );

  // Process Message
  isProcessMessage();

  delay( dTime );
   
}

getEEPROM.ino

// EEPROM
// isUID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// ProcessMessage
// isProcessMessage
void isProcessMessage() {

   // String msg = "";
  
   /// Loop through serial buffer one byte at a time until you reach * which will be end of message
   //while ( Serial.available() ) 
  // {

      // Print => XBEE + Unit ID + Version + *
      // msg = "XBEE|" + uid + "|" + sver + "|" + yy + "|*";
      
      Serial.print( '<'  );
      Serial.print( yy );
      Serial.print( '|' );
      Serial.print( iValue );
      Serial.println( '*' );
         
  // }
     
}

getSwitch.ino

// Switch
// Switch 1
void isSwitch1(){

   yy = 1;

   // Stepper 
   // Up
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Up");  
   
}
// Switch 2
void isSwitch2(){

   yy = 2;

   // Stepper 
   // Down
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Down");    
      
}
// Switch 3
void isSwitch3(){

   yy = 3;

   // Stepper 
   // Right
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Right");    
      
}
// Switch 4
void isSwitch4(){

   yy = 4;

   // Stepper 
   // Left
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Left"); 
      
}
// Switch 5
void isSwitch5(){

   yy = 5;
   
   // Stepper 
   // Stop
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Stop");
       
}

setup.ino

// Setup
void setup() {
  
  // Open serial port at 9600 baud
  Serial.begin( 9600 );

  // Pause
  delay(5);

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // Adafruit RGB LCD Shield
  // Set up the LCD's number of columns and rows: 
  RGBLCDShield.begin(16, 2);
  RGBLCDShield.setBacklight(GREEN);
  
  // Display
  // Set the cursor to column 0, line 0  
  RGBLCDShield.setCursor(0,0);  
  RGBLCDShield.print("Don Luc Electron");         // Don luc Electron
  // Set the cursor to column 0, line 1
  RGBLCDShield.setCursor(0, 1);
  RGBLCDShield.print("Robotics");                 // Robotics

  // Serial
  // Serial.println( "Don Luc Electronics");
  // Serial.println( "Robotics");

  delay(5000);

  // Clear
  RGBLCDShield.clear();

  // Display
  // Set the cursor to column 0, line 0  
  RGBLCDShield.setCursor(0,0);  
  RGBLCDShield.print("Version: ");                // Version
  RGBLCDShield.print( sver );
  // Set the cursor to column 0, line 1
  RGBLCDShield.setCursor(0, 1);
  RGBLCDShield.print("UID: ");                    // Unit ID Information
  RGBLCDShield.print( uid );

  // Serial
  // Serial.print( "Software Version Information: ");
  // Serial.println( sver );
  // Serial.print( "Unit ID Information: ");
  // Serial.println( uid );

  delay(5000);

  // Clear
  RGBLCDShield.clear();

}

Arduino UNO – SparkFun RedBoard

LEG – Digital 6
SP1 – Digital 3
DI1 – Digital 2
SP2 – Digital 5
DI2 – Digital 4
TX0 – Digital 1
RX0 – Digital 0
VIN – +5V
GND – GND

XBee S1: Receiver

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 4076E2C5
CE Coordinator: End Device
BD: 9600

DL2002Mk05Rp.ino

// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - Unmanned Vehicles 1e - Mk09
// 02-05
// DL2002Mk05Rp.ino 12-09
// Arduino UNO - SparkFun RedBoard
// EEPROM with Unique ID
// Receiver
// Breakout Board for XBee Module
// XBee S1
// 2 x EasyDriver
// 2 x Small Stepper
// Adafruit PowerBoost 500 Shield
// Lithium Ion Battery - 2Ah
// LED Green
// delayMicroseconds

// Include the library code:
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>

// Momentary Button
int yy = "";

// 2 x EasyDriver - 2 x Stepper
int dirPinR = 2;                           // EasyDriver Right
int stepPinR = 3;                          // stepPin Right
int dirPinL = 4;                           // EasyDriver Left
int stepPinL = 5;                          // stepPin Left
int i = 0;

// LED Green
int iLEDGreen = 6;

// Process Message
bool bStart = false;                       // Start
bool bEnd   = false;                       // End
int incb = 0;                              // Variable to store the incoming byte
String msg = "";                           // Message 
String zzz = "";                          
byte in = 0;                               // Index
int x = 0;

// delayMicroseconds
int dMicro = 0;

// Software Version Information
String sver = "12-09";
// Unit ID information
String uid = "";

void loop() {

  // Check for serial messages
  if ( Serial.available() ) 
  {
    
    isProcessMessage();
    
  }

  // Switch
  isSwitch();
  
}

getEEPROM.ino

// EEPROM
// isUID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// ProcessMessage
// isProcessMessage
void isProcessMessage() {
   
  // Loop through serial buffer one byte at a time until you reach * which will be end of message
  while ( Serial.available() ) 
  {
      
      // Read the incoming byte:
      incb = Serial.read();
      
      // Start the message when the '<' symbol is received
      if(incb == '<')
      {
        
        bStart = true;
        in = 0;
        msg = "";
        
      }
      // End the message when the '*' symbol is received
      else if(incb == '*')
      {
        bEnd = true;
        x = msg.length();
        msg.remove( x , 1);
        break;                                  // Done reading
      }
      // Read the message
      else
      {
        if(in < 8)                              // Make sure there is room
        {

           msg = msg + char(incb);
           in++;
          
        }
      }
      
   }

   if( bStart && bEnd)
   {
    
      // Stepper
      zzz = msg.charAt( 0 );
      yy = zzz.toInt();
      
      msg.remove( 0 , 2);
      
      // delayMicroseconds
      dMicro = msg.toInt() + 300;

      in = 0;
      zzz = "";
      msg = "";
      bStart = false;
      bEnd = false;
      
   }

}

getStepper.ino

// Stepper
// isStepperSetup
void isStepperSetup() {

  // 2 x EasyDriver
  pinMode(dirPinR, OUTPUT);
  pinMode(stepPinR, OUTPUT);
  pinMode(dirPinL, OUTPUT);
  pinMode(stepPinL, OUTPUT);

}
// isStepper1
void isStepper1(){

   // 2 x EasyDriver - Up
   digitalWrite(dirPinR, LOW);              // Set the direction.
   digitalWrite(dirPinL, LOW);              // Set the direction.

   digitalWrite(stepPinR, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinR, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
   digitalWrite(stepPinL, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinL, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
 
}
// isStepper2
void isStepper2(){

   // 2 x EasyDriver
   digitalWrite(dirPinR, HIGH);              // Set the direction.
   digitalWrite(dirPinL, HIGH);              // Set the direction.

   digitalWrite(stepPinR, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinR, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
   digitalWrite(stepPinL, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinL, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
   
}
// Switch 3
void isStepper3(){

   // Right

   // 2 x EasyDriver
   digitalWrite(dirPinR, LOW);              // Set the direction.
   digitalWrite(dirPinL, HIGH);             // Set the direction.   delay(5);

   digitalWrite(stepPinR, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinR, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
   digitalWrite(stepPinL, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinL, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.

}
// Switch 4
void isStepper4(){

   // Left
   // 2 x EasyDriver
   digitalWrite(dirPinR, HIGH);             // Set the direction.
   digitalWrite(dirPinL, LOW);              // Set the direction.

   digitalWrite(stepPinR, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinR, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
   digitalWrite(stepPinL, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinL, HIGH);            // "Rising Edge" so the easydriver knows to when to step.
   delayMicroseconds(dMicro);               // This delay time is close to top speed.
  
}
// isStepperStop
void isStepperStop() {

   // 2 x EasyDriver
   digitalWrite(dirPinR, LOW);              // Set the direction.
   delay(5);
   digitalWrite(dirPinL, LOW);              // Set the direction.
   delay(5);
   digitalWrite(stepPinR, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinL, LOW);             // This LOW to HIGH change is what creates the 

}

getSwitch.ino

// Switch
// isSwitch
void isSwitch(){
  
  switch ( yy ) {
    case 1:

      // Stepper 1 - Up
      isStepper1();

      break;
    case 2:
      
      // Stepper 2 - Back
      isStepper2();
      
      break;
    case 3:

      // Stepper 3 - Right
      isStepper3();
      
      break;
    case 4:
      
      // Stepper 4 - Left
      isStepper4();
      
      break;
    case 5:
      
      // Stepper Stop
      isStepperStop();
       
      break;
    default:

     // Stepper Stop
     isStepperStop();

   }
  
}

setup.ino

// Setup
void setup() {

  // Open the serial port at 9600 bps:
  Serial.begin( 9600 );

  // Pause
  delay(5);

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // 2 x EasyDriver
  isStepperSetup();

  // LED Green
  pinMode(iLEDGreen, OUTPUT);
  digitalWrite(iLEDGreen, HIGH);

}

Follow Us

J. Luc Paquin – Curriculum Vitae
https://www.donluc.com/DLHackster/LucPaquinCVEngMk2020a.pdf

Web: https://www.donluc.com/
Web: http://www.jlpconsultants.com/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: http://neosteamlabs.com/
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Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs

Don Luc

Project #12: Robotics – Unmanned Vehicles 1d – Mk08

——

Robotics

——

Robotics

——

Robotics

——

Robotics

——

Robotics

——

DL2002Mk03

1 x Arduino UNO – R3
1 x Arduino UNO – SparkFun RedBoard
1 x ProtoScrewShield
1 x Adafruit RGB LCD Shield 16×2 Character Display
2 x XBee S1
1 x SparkFun XBee Explorer Regulated
1 x Breakout Board for XBee Module
2 x EasyDriver
2 x Small Stepper
1 x Adafruit PowerBoost 500 Shield
1 x Lithium Ion Battery – 2Ah
1 x LED Green
7 x Jumper Wires 3″ M/M
13 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun XBee Explorer USB
1 x DIGI XCTU Software
1 x SparkFun USB Mini-B Cable
1 x SparkFun Cerberus USB Cable

Arduino UNO

TX0 – Digital 1
RX0 – Digital 0
VIN – +5V
GND – GND

XBee S1: Transmitter

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 40717A1F
CE Coordinator: Coordinator
BD: 9600

DL2002Mk03p.ino

// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - Unmanned Vehicles 1d - Mk08
// 02-03
// DL2002Mk01p.ino 12-08
// Arduino UNO - R3
// ProtoScrewShield
// Adafruit RGB LCD Shield 16×2 Character Display
// EEPROM with Unique ID
// Transmitter
// XBee S1
// Stepper

// Include the library code:
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>
// Adafruit RGB LCD Shield
#include <Adafruit_RGBLCDShield.h>

// Adafruit RGB LCD Shield
Adafruit_RGBLCDShield RGBLCDShield = Adafruit_RGBLCDShield();

// These #defines make it easy to set the backlight color
#define OFF 0x0
#define RED 0x1
#define YELLOW 0x3
#define GREEN 0x2
#define TEAL 0x6
#define BLUE 0x4
#define VIOLET 0x5
#define WHITE 0x7

// Momentary Button
int yy = 0;
uint8_t momentaryButton = 0;

// Communication
unsigned long dTime = 50;

// The current address in the EEPROM (i.e. which byte we're going to  read to next)
// Version
String sver = "12-7.p";
// Unit ID Information
String uid = "";

void loop() {

  // Clear
  RGBLCDShield.clear();

  // set the cursor to column 0, line 0
  RGBLCDShield.setCursor(0,0);
  RGBLCDShield.print("Robotics");         // Robotics 

  // Momentary Button
  momentaryButton = RGBLCDShield.readButtons();

  switch ( yy ) {
    case 1:
    
      // Up
      isSwitch1();
      
      break;
    case 2:
    
      // Down
      isSwitch2();
      
      break;
    case 3:

      // Right
      isSwitch3();
      
      break;
    case 4:

      // Left
      isSwitch4();
      
      break;
    case 5:

      // Stop
      isSwitch5();
      
      break;
    default:

      // Stop
      yy = 5;
      RGBLCDShield.setBacklight(RED);
      isSwitch5();

   }
   
   if ( momentaryButton ) {
    
    if ( momentaryButton & BUTTON_UP ) {
      
      yy = 1;
      // Up
      RGBLCDShield.setBacklight(GREEN);
      
    }
    
    if ( momentaryButton & BUTTON_DOWN ) {
      
      yy = 2;
      // Down
      RGBLCDShield.setBacklight(VIOLET);
      
    }
    
    if ( momentaryButton & BUTTON_LEFT ) {
      
      yy = 3;
      // Right
      RGBLCDShield.setBacklight(TEAL);
      
    }
    
    if ( momentaryButton & BUTTON_RIGHT ) {

      yy = 4;
      // Left
      RGBLCDShield.setBacklight(YELLOW);
    }
    
    if ( momentaryButton & BUTTON_SELECT ) {

      yy = 5;
      // Stop
      RGBLCDShield.setBacklight(RED);
   
    }
    
  }

  // Process Message
  isProcessMessage();

  delay( dTime );
   
}

getEEPROM.ino

// EEPROM
// isUID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// ProcessMessage
// isProcessMessage
void isProcessMessage() {

   // String msg = "";
  
   /// Loop through serial buffer one byte at a time until you reach * which will be end of message
   //while ( Serial.available() ) 
  // {

      // Print => XBEE + Unit ID + Version + *
      // msg = "XBEE|" + uid + "|" + sver + "|" + yy + "|*";
      
      Serial.print( '<'  );
      Serial.print( yy );
      Serial.println( '*' );
         
  // }
     
}

getSwitch.ino

// Switch
// Switch 1
void isSwitch1(){

   yy = 1;

   // Stepper 
   // Up
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Up");  
   
}
// Switch 2
void isSwitch2(){

   yy = 2;

   // Stepper 
   // Down
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Down");    
      
}
// Switch 3
void isSwitch3(){

   yy = 3;

   // Stepper 
   // Right
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Right");    
      
}
// Switch 4
void isSwitch4(){

   yy = 4;

   // Stepper 
   // Left
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Left"); 
      
}
// Switch 5
void isSwitch5(){

   yy = 5;
   
   // Stepper 
   // Stop
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Stop");
       
}

setup.ino

// Setup
void setup() {
  
  // Open serial port at 9600 baud
  Serial.begin( 9600 );

  // Pause
  delay(5);

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // Adafruit RGB LCD Shield
  // Set up the LCD's number of columns and rows: 
  RGBLCDShield.begin(16, 2);
  RGBLCDShield.setBacklight(GREEN);
  
  // Display
  // Set the cursor to column 0, line 0  
  RGBLCDShield.setCursor(0,0);  
  RGBLCDShield.print("Don Luc Electron");         // Don luc Electron
  // Set the cursor to column 0, line 1
  RGBLCDShield.setCursor(0, 1);
  RGBLCDShield.print("Robotics");                 // Robotics

  // Serial
  // Serial.println( "Don Luc Electronics");
  // Serial.println( "Robotics");

  delay(5000);

  // Clear
  RGBLCDShield.clear();

  // Display
  // Set the cursor to column 0, line 0  
  RGBLCDShield.setCursor(0,0);  
  RGBLCDShield.print("Version: ");                // Version
  RGBLCDShield.print( sver );
  // Set the cursor to column 0, line 1
  RGBLCDShield.setCursor(0, 1);
  RGBLCDShield.print("UID: ");                    // Unit ID Information
  RGBLCDShield.print( uid );

  // Serial
  // Serial.print( "Software Version Information: ");
  // Serial.println( sver );
  // Serial.print( "Unit ID Information: ");
  // Serial.println( uid );

  delay(5000);

  // Clear
  RGBLCDShield.clear();

}

Arduino UNO – SparkFun RedBoard

LEG – Digital 6
SP1 – Digital 3
DI1 – Digital 2
SP2 – Digital 5
DI2 – Digital 4
TX0 – Digital 1
RX0 – Digital 0
VIN – +3.3V
GND – GND

XBee S1: Receiver

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 4076E2C5
CE Coordinator: End Device
BD: 9600

DL2002Mk03Rp.ino

// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - Unmanned Vehicles 1d - Mk08
// 02-03
// DL2002Mk01Rp.ino 12-08
// Arduino UNO - SparkFun RedBoard
// EEPROM with Unique ID
// Receiver
// Breakout Board for XBee Module
// XBee S1
// 2 x EasyDriver
// 2 x Small Stepper
// Adafruit PowerBoost 500 Shield
// Lithium Ion Battery - 2Ah
// LED Green

// Include the library code:
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>

// Momentary Button
int yy = "";

// 2 x EasyDriver - 2 x Stepper
int dirPinR = 2;                           // EasyDriver Right
int stepPinR = 3;                          // stepPin Right
int dirPinL = 4;                           // EasyDriver Left
int stepPinL = 5;                          // stepPin Left
int i = 0;

// LED Green
int iLEDGreen = 6;

// Software Version Information
String sver = "12-08";
// Unit ID information
String uid = "";

void loop() {

  // Check for serial messages
  if ( Serial.available() ) 
  {
    
    isProcessMessage();
    
  }

  // Switch
  isSwitch();
  
}

getEEPROM.ino

// EEPROM
// isUID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// ProcessMessage
// isProcessMessage
void isProcessMessage() {

   int incb = 0;  
   String msg = "";
   String zzz = "";
   
  // Loop through serial buffer one byte at a time until you reach * which will be end of message
  while ( Serial.available() ) 
  {
      
      // Read the incoming byte:
      incb = Serial.read();
      // Add character to string
      msg = msg + char(incb);
      
      // Check if receive character is the end of message *
      if ( incb == 42 ) 
      {
         
         // Serial.println(msg);

         zzz = msg.charAt( 1 );
         
         // Serial.println(zzz);
         
         yy = zzz.toInt();
         
         // Serial.println( yy );
        
      }
   }
     
}

getStepper.ino

// Stepper
// isStepperSetup
void isStepperSetup() {

  // 2 x EasyDriver
  pinMode(dirPinR, OUTPUT);
  pinMode(stepPinR, OUTPUT);
  pinMode(dirPinL, OUTPUT);
  pinMode(stepPinL, OUTPUT);

}
// isStepper1
void isStepper1(){

   // 2 x EasyDriver - Up
   digitalWrite(dirPinR, LOW);              // Set the direction.
   delay(5);
   digitalWrite(dirPinL, LOW);              // Set the direction.
   delay(5);

   for (i = 0; i<300; i++)                 // Iterate for 1000 microsteps.
   { 
     digitalWrite(stepPinR, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinR, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
     digitalWrite(stepPinL, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinL, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
   } 
   
}
// isStepper2
void isStepper2(){

   // 2 x EasyDriver
   digitalWrite(dirPinR, HIGH);              // Set the direction.
   delay(5);
   digitalWrite(dirPinL, HIGH);              // Set the direction.
   delay(5);

   for (i = 0; i<1000; i++)                 // Iterate for 1000 microsteps.
   { 
     digitalWrite(stepPinR, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinR, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
     digitalWrite(stepPinL, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinL, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
   } 
   
}
// Switch 3
void isStepper3(){

   // Right

   // 2 x EasyDriver
   digitalWrite(dirPinR, LOW);               // Set the direction.
   delay(5);
   digitalWrite(dirPinL, HIGH);              // Set the direction.
   delay(5);

   for (i = 0; i<300; i++)                 // Iterate for 1000 microsteps.
   {
     digitalWrite(stepPinR, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinR, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
     digitalWrite(stepPinL, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinL, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
   }    
  
}
// Switch 4
void isStepper4(){

   // Left
   // 2 x EasyDriver
   digitalWrite(dirPinR, HIGH);             // Set the direction.
   delay(5);
   digitalWrite(dirPinL, LOW);              // Set the direction.
   delay(5);

   for (i = 0; i<300; i++)                 // Iterate for 1000 microsteps.
   {
     digitalWrite(stepPinR, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinR, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
     digitalWrite(stepPinL, LOW);           // This LOW to HIGH change is what creates the
     digitalWrite(stepPinL, HIGH);          // "Rising Edge" so the easydriver knows to when to step.
     delayMicroseconds(300);                // This delay time is close to top speed.
   }    
    
}
// isStepperStop
void isStepperStop() {

   // 2 x EasyDriver
   digitalWrite(dirPinR, LOW);              // Set the direction.
   delay(5);
   digitalWrite(dirPinL, LOW);              // Set the direction.
   delay(5);
   digitalWrite(stepPinR, LOW);             // This LOW to HIGH change is what creates the
   digitalWrite(stepPinL, LOW);             // This LOW to HIGH change is what creates the 

}

getSwitch.ino

// Switch
// isSwitch
void isSwitch(){
  
  switch ( yy ) {
    case 1:

      // Stepper 1 - Up
      isStepper1();

      break;
    case 2:
      
      // Stepper 2 - Back
      isStepper2();
      
      break;
    case 3:

      // Stepper 3 - Right
      isStepper3();
      
      break;
    case 4:
      
      // Stepper 4 - Left
      isStepper4();
      
      break;
    case 5:
      
      // Stepper Stop
      isStepperStop();
       
      break;
    default:

      // Stepper Stop
      isStepperStop();

   }
  
}

setup.ino

// Setup
void setup() {

  // Open the serial port at 9600 bps:
  Serial.begin( 9600 );

  // Pause
  delay(5);

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // Serial
  // Serial.print( "Software Version Information: ");
  // Serial.println( sver );
  // Serial.print( "Unit ID Information: ");
  // Serial.println( uid );
  
  // delay(5000);

  // 2 x EasyDriver
  isStepperSetup();

  // LED Green
  pinMode(iLEDGreen, OUTPUT);
  digitalWrite(iLEDGreen, HIGH);

}

Follow Us

J. Luc Paquin – Curriculum Vitae
https://www.donluc.com/DLHackster/LucPaquinCVEngMk2020a.pdf

Web: https://www.donluc.com/
Web: http://www.jlpconsultants.com/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: http://neosteamlabs.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs

Don Luc

Project #12: Robotics – Unmanned Vehicles 1b – Mk06

——

Robotics

——

Robotics

——

Robotics

——

Robotics

——

XBee

Digi XBee is the brand name of a family of form factor compatible radio modules from Digi International. The first XBee radios were introduced under the MaxStream brand in 2005 and were based on the IEEE 802.15.4-2003 standard designed for point-to-point and star communications at over-the-air baud rates of 250 kbit/s.

Two models were initially introduced, a lower cost 1 mW XBee and the higher power 100 mW XBee-PRO. Since the initial introduction, a number of new XBee radios have been introduced and an ecosystem of wireless modules, gateways, adapters and software has evolved.

The XBee radios can all be used with the minimum number of connections — power (3.3 V), ground, data in and data out (UART), with other recommended lines being Reset and Sleep. Additionally, most XBee families have some other flow control, input/output (I/O), analog-to-digital converter (A/D) and indicator lines built in.

DL2001Mk02

1 x Arduino Fio
1 x Arduino UNO – R3
1 x ProtoScrewShield
1 x Adafruit RGB LCD Shield 16×2 Character Display
2 x XBee S1
1 x SparkFun XBee Explorer Regulated
1 x Lithium Ion Battery – 2.5Ah
1 x LED Red
1 x LED Green
1 x LED Bi-Colour
1 x LED Yellow
4 x Jumper Wires 3″ M/M
10 x Jumper Wires 6″ M/M
1 x Half-Size Breadboard
1 x SparkFun XBee Explorer USB
1 x DIGI XCTU Software
1 x SparkFun FTDI Basic Breakout – 3.3V
1 x SparkFun Cerberus USB Cable

Arduino UNO

TX0 – Digital 1
RX0 – Digital 0
VIN – +5V
GND – GND

XBee S1: Transmitter

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 40717A1F
CE Coordinator: Coordinator
BD: 9600

DL2001Mk02p.ino

// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - Unmanned Vehicles 1b - Mk06
// 01-02
// DL2001Mk01p.ino 12-06
// Arduino UNO - R3
// ProtoScrewShield
// Adafruit RGB LCD Shield 16×2 Character Display
// EEPROM with Unique ID
// Transmitter
// XBee S1

// Include the library code:
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>
// Adafruit RGB LCD Shield
#include <Adafruit_RGBLCDShield.h>

// Adafruit RGB LCD Shield
Adafruit_RGBLCDShield RGBLCDShield = Adafruit_RGBLCDShield();

// These #defines make it easy to set the backlight color
#define OFF 0x0
#define RED 0x1
#define YELLOW 0x3
#define GREEN 0x2
#define TEAL 0x6
#define BLUE 0x4
#define VIOLET 0x5
#define WHITE 0x7

// Momentary Button
int yy = 0;
uint8_t momentaryButton = 0;

// Communication
unsigned long dTime = 1000;

// The current address in the EEPROM (i.e. which byte we're going to  read to next)
// Version
String sver = "12-2.p";
// Unit ID Information
String uid = "";

void loop() {

  // Clear
  RGBLCDShield.clear();

  // set the cursor to column 0, line 0
  RGBLCDShield.setCursor(0,0);
  RGBLCDShield.print("Robotics");         // Robotics 

  // Momentary Button
  momentaryButton = RGBLCDShield.readButtons();

  switch ( yy ) {
    case 1:
    
      // LED Green
      isSwitch1();
      
      break;
    case 2:
    
      // LED Bipolar (Green)
      isSwitch2();
      
      break;
    case 3:

      // Right
      isSwitch3();
      
      break;
    case 4:

      // Left
      isSwitch4();
      
      break;
    case 5:

      // LED Red
      isSwitch5();
      
      break;
    default:

      // LED Red
      yy = 5;
      RGBLCDShield.setBacklight(RED);
      isSwitch5();

   }
   
   if ( momentaryButton ) {
    
    if ( momentaryButton & BUTTON_UP ) {
      
      yy = 1;
      // LED Green
      RGBLCDShield.setBacklight(GREEN);
      
    }
    
    if ( momentaryButton & BUTTON_DOWN ) {
      
      yy = 2;
      // LED Bipolar A
      RGBLCDShield.setBacklight(VIOLET);
      
    }
    
    if ( momentaryButton & BUTTON_LEFT ) {
      
      yy = 3;
      // LED Bipolar B
      RGBLCDShield.setBacklight(TEAL);
      
    }
    
    if ( momentaryButton & BUTTON_RIGHT ) {

      yy = 4;
      // LED Bipolar A B
      RGBLCDShield.setBacklight(YELLOW);
    }
    
    if ( momentaryButton & BUTTON_SELECT ) {

      yy = 5;
      // LED Red
      RGBLCDShield.setBacklight(RED);
   
    }
    
  }

  // Process Message
  isProcessMessage();

  delay( dTime );
   
}

getEEPROM.ino

// EEPROM
// isUID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// ProcessMessage
// isProcessMessage
void isProcessMessage() {

   //int incb = 0;  
   String msg = "";
  
   /// Loop through serial buffer one byte at a time until you reach * which will be end of message
   //while ( Serial.available() ) 
  // {

      // Print => XBEE + Unit ID + Version + *
      msg = "XBEE|" + uid + "|" + sver + "|" + yy + "|*";
      Serial.println( msg );
         
  // }
     
}

getSwitch.ino

// Switch
// Switch 1
void isSwitch1(){

   yy = 1;
   
   isSwitchLEDStop();
   // LED 
   // turn LED on:
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Green");  
   
}
// Switch 2
void isSwitch2(){

   yy = 2;

   isSwitchLEDStop();
   // LED 
   // turn LED on:
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Bi-Colour A");    
      
}
// Switch 3
void isSwitch3(){

   yy = 3;

   isSwitchLEDStop();
   // LED 
   // turn LED on:
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Bi-Colour B");    
      
}
// Switch 4
void isSwitch4(){

   yy = 4;

   isSwitchLEDStop();
   // LED 
   // turn LED on:
   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Bi-Colour A B"); 
      
}
// Switch 5
void isSwitch5(){

   yy = 5;

   RGBLCDShield.setCursor(0,1);    
   RGBLCDShield.print("Stop");

   //delay( 250 );

   isSwitchLEDStop();
   // LED 
   // turn LED on:
   //digitalWrite(iLEDRed, HIGH);   
       
}
void isSwitchLEDStop(){

  //digitalWrite(iLEDRed, LOW);
  //digitalWrite(iLEDGreen, LOW);
  //digitalWrite(iLEDB1, LOW);
  //digitalWrite(iLEDB2, LOW);
  //digitalWrite(iLEDYellow, LOW);
  
}

setup.ino

// Setup
void setup() {
  
  //Open serial port at 9600 baud
  Serial.begin( 9600 );

  // Pause
  delay(5);

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // Adafruit RGB LCD Shield
  // Set up the LCD's number of columns and rows: 
  RGBLCDShield.begin(16, 2);
  RGBLCDShield.setBacklight(GREEN);
  
  // Display
  // Set the cursor to column 0, line 0  
  RGBLCDShield.setCursor(0,0);  
  RGBLCDShield.print("Don Luc Electron");         // Don luc Electron
  // Set the cursor to column 0, line 1
  RGBLCDShield.setCursor(0, 1);
  RGBLCDShield.print("Robotics");                 // Robotics

  // Serial
  Serial.println( "Don Luc Electronics");
  Serial.println( "Robotics");

  delay(5000);

  // Clear
  RGBLCDShield.clear();

  // Display
  // Set the cursor to column 0, line 0  
  RGBLCDShield.setCursor(0,0);  
  RGBLCDShield.print("Version: ");                // Version
  RGBLCDShield.print( sver );
  // Set the cursor to column 0, line 1
  RGBLCDShield.setCursor(0, 1);
  RGBLCDShield.print("UID: ");                    // Unit ID Information
  RGBLCDShield.print( uid );

  // Serial
  Serial.print( "Software Version Information: ");
  Serial.println( sver );
  Serial.print( "Unit ID Information: ");
  Serial.println( uid );

  delay(5000);

  // Clear
  RGBLCDShield.clear();

}

Arduino Fio

LER – Digital 13
LEG – Digital 12
LEA – Digital 11
LEB – Digital 10
LEY – Digital 9
TX0 – Digital 1
RX0 – Digital 0
VIN – +3.3V
GND – GND

XBee S1: Receiver

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 4076E2C5
CE Coordinator: End Device
BD: 9600

DL2001Mk02Rp.ino

// ***** Don Luc Electronics © *****
// Software Version Information
// Project #12: Robotics - Unmanned Vehicles 1b - Mk06
// 01-02
// DL2001Mk02Rp.ino 12-06
// Arduino Fio
// SparkFun FTDI Basic Breakout - 3.3V
// EEPROM with Unique ID
// LED Red
// LED Green
// LED Bi-Colour
// LED Yellow
// Lithium Ion Battery - 2.5Ah
// Receiver
// XBee S1

// Include the library code:
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>

// LED Red
int iLEDRed = 13;
// LED Green
int iLEDGreen = 12;
// LED Bi-Colour
int iLEDBiCoA = 11;
int iLEDBiCoB = 10;
// LED Yellow
int iLEDYellow = 9;

// Momentary Button
int yy = "";

// Software Version Information
String sver = "12-02";
// Unit ID information
String uid = "DR001";

void loop() {

  // Check for serial messages
  if ( Serial.available() ) 
  {
    isProcessMessage();
  }

  // Switch
  isSwitch();
  
}

getEEPROM.ino

// EEPROM
// isUID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// ProcessMessage
// isProcessMessage
void isProcessMessage() {

   int incb = 0;  
   String msg = "";
   String zzz = "";
   
  // Loop through serial buffer one byte at a time until you reach * which will be end of message
  while ( Serial.available() ) 
  {
      
      // Read the incoming byte:
      incb = Serial.read();
      // Add character to string
      msg = msg + char(incb);
      
      // Check if receive character is the end of message *
      if ( incb == 42 ) 
      {
         
         Serial.println(msg);

         zzz = msg.charAt( 18 );
         
         Serial.println(zzz);
         
         yy = zzz.toInt();
         
        Serial.println( yy );
        
      }
   }
     
}

getSwitch.ino

// Switch
// isSwitch
void isSwitch(){
  
  switch ( yy ) {
    case 1:
    
      // LED Green
      sLEDStop();
      digitalWrite(iLEDGreen, HIGH);
      delay( 1000 );
      
      break;
    case 2:
    
      // LED Bi-Colour A
      sLEDStop();
      digitalWrite(iLEDBiCoA, HIGH);
      delay( 1000 );
      
      break;
    case 3:

      // LED Bi-Colour B
      sLEDStop();
      digitalWrite(iLEDBiCoB, HIGH);
      delay( 1000 );
      
      break;
    case 4:

      // LED Bi-Colour A B
      sLEDStop();
      digitalWrite(iLEDBiCoA, HIGH);
      digitalWrite(iLEDBiCoB, HIGH);
      delay( 1000 );
      
      break;
    case 5:

      // LED Red
      sLEDStop();
      digitalWrite(iLEDRed, HIGH); 
      delay( 1000 );
       
      break;
    default:

      // LED Red
      sLEDStop();
      digitalWrite(iLEDRed, HIGH);
      delay( 1000 ); 

   }
  
}
// LED Stop
void sLEDStop(){

  digitalWrite(iLEDRed, LOW);
  digitalWrite(iLEDGreen, LOW);
  digitalWrite(iLEDBiCoA, LOW);
  digitalWrite(iLEDBiCoB, LOW);
  
}

setup.ino

// Setup
void setup() {

  // Open the serial port at 9600 bps:
  Serial.begin( 9600 );

  // Pause
  delay(5);

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // Serial
  Serial.print( "Software Version Information: ");
  Serial.println( sver );
  Serial.print( "Unit ID Information: ");
  Serial.println( uid );
  
  delay(5000);

  // LED => OUTPUT
  pinMode(iLEDRed, OUTPUT);
  pinMode(iLEDGreen, OUTPUT);
  pinMode(iLEDBiCoA, OUTPUT);
  pinMode(iLEDBiCoB, OUTPUT);
  pinMode(iLEDYellow, OUTPUT);

  // LED Yellow
  digitalWrite(iLEDYellow, HIGH);

}

Follow Us

J. Luc Paquin – Curriculum Vitae
https://www.donluc.com/DLHackster/LucPaquinCVEngMk2020a.pdf

Web: https://www.donluc.com/
Web: http://www.jlpconsultants.com/
Web: https://www.donluc.com/DLHackster/
Web: https://www.hackster.io/neosteam-labs
Web: http://neosteamlabs.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs

Don Luc

Project #11: ESP32 Feather – LiPo 2.5Ah – Mk10

——

Lithium Ion Battery

——

Lithium Ion Battery

——

Lithium Ion Battery

——

Lithium Ion Battery

——

Lithium Ion Battery – 2.5Ah

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 2500mAh. Comes terminated with a standard 2-pin JST-PH connector – 2mm spacing between pins. These batteries require special charging. Do not attempt to charge these with anything but a specialized Lithium Polymer charger.

DL1911Mk01

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x GPS Receiver GP-20U
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
1 x 3.3M Ohm
1 x Antenna
1 x Lithium Ion Battery – 2.5Ah
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
2 x Wire
1 x Full-Size Breadboard
1 x Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GPS – Digital 4
EMF – Analog A0
BAT – Analog A13
GND – GND
VIN – +3.3V

DL1911Mk01.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - LiPo 2.5Ah - Mk10
// 11-01
// DL1911Mk01p.ino 11-10
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches
// GPS Receiver
// EMF Meter (Single Axis)
// Lithium Ion Battery - 2.5Ah

// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// GPS Receiver
#include <TinyGPS++.h>
#include <HardwareSerial.h>

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices!
#define BLACK 0
#define WHITE 1
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;                 // LED Green

// PCF8523 Precision RTC 
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";

// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17;          // RHT03 data pin Digital 17
RHT03 rht;                              // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;

// SD Card
const int chipSelect = 33;              // SD Card
String zzzzzz = "";

// Rocker Switches
int iRow1 = 16;                         // Rocker Switches Digital 16
int iRow1State = 0;                     // Variable for reading the pushbutton status

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 4
#define gpsTXPIN 36                     // This one is unused and doesnt have a conection
// The TinyGPS++ object
TinyGPSPlus gps;
float TargetLat;
float TargetLon;
int Status = 0;

// EMF Meter (Single Axis)
#define NUMREADINGS 15                    // Raise this number to increase data smoothing
int senseLimit = 15;                      // Raise this number to decrease sensitivity (up to 1023 max)
int val = 0;                              // Val
int iEMF = A0;                            // EMF Meter
int readings[ NUMREADINGS ];              // Readings from the analog input
int ind = 0;                              // Index of the current reading
int total = 0;                            // Running total
int average = 0;                          // Final average of the probe reading
int iEMFDis = 0;
int iEMFRect = 0;

// LiPo Battery
const int bat = A13;                      // LiPo Battery
uint16_t vbat = 0;
int iBat = 0;

// The current address in the EEPROM (i.e. which byte
// we're going to  read to next)
#define EEPROM_SIZE 64
String sver = "11-1.p";
// Unit ID information
String uid = "";

void loop() {

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded.
  while ( tGPS.available() > 0)
    if (gps.encode( tGPS.read() ))
    {
     displayInfo();
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
    while(true);
  }

  // Date and Time 
  isRTC();
  
  // RHT03 Humidity and Temperature Sensor
  isRHT03();
  
  // SHARP Memory Display On
  isDisplayOn();
  
  // Rocker Switched
  // Read the state of the iRow1 value
  iRow1State = digitalRead(iRow1);

  // EMF Meter (Single Axis)
  isEMF();

  // LiPo Battery
  isBattery();

  // Check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (iRow1State == HIGH) {

    // iLEDGreen
    digitalWrite(iLEDGreen,  HIGH );
    // SD Card
    isSD();

  } else {

    // iLEDGreen
    digitalWrite(iLEDGreen,  LOW );
  
  }
   
  // Delay 
  delay( 1000 );

}

getBattery.ino

// LiPo Battery
void isBattery() {

  // Battery
  vbat = analogRead(bat);
  vbat = vbat / 2;

  iBat = map( vbat, 1, 1064, 1, 100);
  
}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display date, time, LED on
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,1);
    display.println( dateRTC );
    display.setCursor(0,17);
    display.println( timeRTC );       
    display.setCursor(0,35);
    display.print("Lon: ");
    display.println( TargetLon );
    display.setCursor(0,55);
    display.print("Lat: ");
    display.println( TargetLat );
    display.setCursor(0,74);
    display.print("Hum: ");
    display.print( latestHumidity );
    display.println("%");
    display.setCursor(0,94);
    display.print("Cel: ");
    display.print( latestTempC );
    display.println("*C");
    display.setCursor(0,114);
    display.print("EMF: ");
    display.println( iEMFDis );
    display.setCursor(0,134);
    display.print("Bat: ");
    display.print( iBat );
    display.println( "%" );
    display.refresh(); 

}
// SHARP Memory Display - UID
void isDisplayUID() {

    // text display EEPROM
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,20);
    display.print( "UID: " );
    display.println( uid );
   // display.setTextSize();
    display.setTextColor(BLACK);
    display.setCursor(0,45);
    display.print( "VER: ");
    display.println( sver  );
    display.refresh();
    delay( 100 );
    
}

getEEPROM.ino

// EEPROM
void GetUID()
{
  
  // Get unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getEMF.ino

// EMF Meter (Single Axis)
// setupEMF
void setupEMF() {

  // EMF Meter (Single Axis)
  pinMode( iEMF, OUTPUT ); // EMF Meter
  for (int i = 0; i < NUMREADINGS; i++){
    readings[ i ] = 0;     // Initialize all the readings to 0
  }
  
}
// isEMF
void isEMF(){

  // Probe
  val = analogRead( iEMF );                    // Take a reading from the probe
  
  if( val >= 1 ){                              // If the reading isn't zero, proceed

    val = constrain( val, 1, senseLimit );     // Turn any reading higher than the senseLimit value into the senseLimit value
    val = map( val, 1, senseLimit, 1, 1023 );  // Remap the constrained value within a 1 to 1023 range

    total -= readings[ ind ];                  // Subtract the last reading
    readings[ ind ] = val;                     // Read from the sensor
    total += readings[ ind ];                  // Add the reading to the total
    ind = ( ind + 1 );                         // Advance to the next index

    if ( ind >= NUMREADINGS ) {                // If we're at the end of the array...
      ind = 0;                                 // ...wrap around to the beginning
    }  

    average = total / NUMREADINGS;             // Calculate the average

    
   // average = val;
  }
  else
  {
      
    iEMFRect = 0;
    val = 0;
    average = 0;
    
  }

  iEMFDis = average;
  iEMFRect = map( average, 1, 1023, 1, 144 );
    
}

getGPS.ino

// GPS Receiver
void setupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1, gpsRXPIN, gpsTXPIN );
  
}
// GPS Vector Pointer Target
void displayInfo()
{

  // Location
  if (gps.location.isValid())
  {
    
    TargetLat = gps.location.lat();
    TargetLon = gps.location.lng();
    Status = 2;
    
  }
  else
  {

    Status = 0;
    
  }

}

getRHT.ino

// RHT03 Humidity and Temperature Sensor
void isRHT03(){

  // Call rht.update() to get new humidity and temperature values from the sensor.
  int updateRet = rht.update();

  // The humidity(), tempC(), and tempF() functions can be called -- after 
  // a successful update() -- to get the last humidity and temperature value 
  latestHumidity = rht.humidity();
  latestTempC = rht.tempC();
  latestTempF = rht.tempF();
  
}

getRTCpcf8523.ino

// PCF8523 Precision RTC 
void setupRTC() {

  // pcf8523 Precision RTC   
  if (! rtc.begin()) {
    while (1);
  }  
  if (! rtc.initialized()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2018, 9, 29, 12, 17, 0));
  }
  
}
// Date and Time RTC
void isRTC () {

  // Date and Time
  DateTime now = rtc.now();
  // Date
  dateRTC = now.year(), DEC; 
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.month(), DEC;
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.day(), DEC;
  // Time
  timeRTC = now.hour(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.minute(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.second(), DEC;
  
}

getSD.ino

// SD Card
void setupSD() {

  // SD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    uint8_t cardType = SD.cardType();

    if(cardType == CARD_NONE){
        ; 
        return;
    }

    //Serial.print("SD Card Type: ");
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
  
}
// SD Card
void isSD() {

  zzzzzz = "";

  zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + Status + "|" + TargetLon + "|" + TargetLat + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|" + average + "|\r";

  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  appendFile(SD, "/espdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    dirname;
    File root = fs.open(dirname);
    if(!root){
        return;
    }
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    path;
    File file = fs.open(path, FILE_WRITE);
    if(!file){
        return;
    }
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    file.close();
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    //Serial.printf("Appending to file: %s\n", path);
    path;
    File file = fs.open(path, FILE_APPEND);
    if(!file){
        return;
    }
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    file.close();
}

setup.ino

// Setup
void setup() {

  // EEPROM with unique ID
  EEPROM.begin(EEPROM_SIZE);
   
  // Get Unit ID
  GetUID();

  // GPS Receiver
  // Setup GPS
  setupGPS();
  
  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();

  isDisplayUID();

  delay( 5000 );
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // PCF8523 Precision RTC 
  setupRTC();

  // Date and Time RTC
  isRTC();

  // RHT03 Humidity and Temperature Sensor
  // Call rht.begin() to initialize the sensor and our data pin
  rht.begin(RHT03_DATA_PIN);

  // SD Card
  setupSD();

  // Rocker Switches
  pinMode(iRow1, INPUT);

  // EMF Meter (Single Axis)
  setupEMF();

}

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Web: http://neosteamlabs.com/
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Don Luc

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