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 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 ); }
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