Bluetooth Serial Terminal for Windows 10

Project #26 – Radio Frequency – Bluetooth Serial Terminal for Windows 10 – Mk25

Published September 2, 2023 | By DonLuc

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#DonLucElectronics #DonLuc #RadioFrequency #Bluetooth #GPS #SparkFun #BME280 #CCS811 #IMU #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

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Bluetooth Serial Terminal for Windows 10

You can use this App to communicate with Serial Bluetooth devices like the RN-42, ESP32, that are used for arduino projects and other custom projects. Make sure to pair the device first in PC Settings.

Use the rfcomm protocol to communicate with serial bluetooth devices.
You can send and recieve data in either hex or string format.
UI more responsive while updating terminal.
Bytes that do not have proper ascii mapping are converted to space characters.
Transmit data is displayed on terminal if it is successfully sent.
Communicate with Serial Bluetooth devices.

DL2307Mk06

1 x SparkFun Thing Plus – ESP32 WROOM
1 x Bluetooth Serial Terminal for Windows 10
1 x SparkFun BME280 – Temperature, Humidity, Barometric Pressure, and Altitude
1 x SparkFun Air Quality Breakout – CCS811
1 x Pololu AltIMU-10 v5
1 x GPS Receiver – GP-20U7
1 x Lithium Ion Battery – 850mAh
1 x SparkFun Cerberus USB Cable

SparkFun Thing Plus – ESP32 WROOM

LED – LED_BUILTIN
SDA – Digital 23
SCL – Digital 22
GPR – Digital 16
GPT – Digital 17
RX2 – Bluetooth
TX2 – Bluetooth
VIN – +3.3V
GND – GND

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DL2307Mk06ps.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #26 - Radio Frequency - Bluetooth Serial Terminal for Windows 10 - Mk25
26-25
DL2307Mk06p.ino
1 x SparkFun Thing Plus - ESP32 WROOM
1 x Bluetooth Serial Terminal for Windows 10
1 x SparkFun BME280 - Temperature, Humidity, Barometric Pressure, and Altitude
1 x SparkFun Air Quality Breakout - CCS811
1 x Pololu AltIMU-10 v5
1 x GPS Receiver - GP-20U7
1 x Lithium Ion Battery - 85mAh
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Bluetooth Serial
#include "BluetoothSerial.h"
#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif
// Two Wire Interface (TWI/I2C)
#include <Wire.h>
// SparkFun BME280 - Temperature, Humidity, Barometric Pressure, and Altitude
#include <SparkFunBME280.h>
// SparkFun CCS811 - eCO2 & tVOC
#include <SparkFunCCS811.h>
// Includes and variables for IMU integration
// STMicroelectronics LSM6DS33 gyroscope and accelerometer
#include <LSM6.h>
// STMicroelectronics LIS3MDL magnetometer
#include <LIS3MDL.h>
// STMicroelectronics LPS25H digital barometer
#include <LPS.h>
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>

// Bluetooth Serial
BluetoothSerial SerialBT;

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

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

// 9DoF IMU
// STMicroelectronics LSM6DS33 gyroscope and accelerometer
LSM6 imu;
// Accelerometer and Gyroscopes
// Accelerometer
int imuAX;
int imuAY;
int imuAZ;
String FullStringB = "";
// Gyroscopes 
int imuGX;
int imuGY;
int imuGZ;
String FullStringC = "";
// STMicroelectronics LIS3MDL magnetometer
LIS3MDL mag;
// Magnetometer
int magX;
int magY;
int magZ;
String FullStringD = "";
// STMicroelectronics LPS25H digital barometer
LPS ps;
// Digital Barometer
float pressure;
float altitude;
float temperature;
String FullStringF = "";

// 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;
String FullStringG = "";
// 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 = "";
String FullStringH = "";

// Software Version Information
String sver = "26-25";

void loop() {

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

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

  // Accelerometer and Gyroscopes
  isIMU();

  // Magnetometer
  isMag();

  // Barometer
  isBarometer();

  // isGPS
  isGPS();

  // Delay 1 sec
  delay(1000);

}

getAccelGyro.ino

// Accelerometer and Gyroscopes
// Setup IMU
void setupIMU() {

  // Setup IMU
  imu.init();
  // Default
  imu.enableDefault();
  
}
// Accelerometer and Gyroscopes
void isIMU() {

  // Accelerometer and Gyroscopes
  imu.read();
  // Accelerometer x, y, z
  imuAX = imu.a.x;
  imuAY = imu.a.y;
  imuAZ = imu.a.z;
  // Gyroscopes x, y, z
  imuGX = imu.g.x;
  imuGY = imu.g.y;
  imuGZ = imu.g.z;

  // FullString B
  FullStringB = "Accelerometer X = " + String(imuAX) + " Accelerometer Y = "
  + String(imuAY) + " Accelerometer Z = " + String(imuAZ) 
  + "\r\n";

  // FullStringB Bluetooth Serial + Serial
  for(int i = 0; i < FullStringB.length(); i++)
  {

    // Bluetooth Serial
    SerialBT.write(FullStringB.c_str()[i]);
    // Serial
    Serial.write(FullStringB.c_str()[i]);
    
  }

  // FullString C
  FullStringC = "Gyroscopes X = " + String(imuGX) + " Gyroscopes Y = "
  + String(imuGY) + " Gyroscopes Z = " + String(imuGZ) 
  + "\r\n";

  // FullStringC Bluetooth Serial + Serial
  for(int i = 0; i < FullStringC.length(); i++)
  {

    // Bluetooth Serial
    SerialBT.write(FullStringC.c_str()[i]);
    // Serial
    Serial.write(FullStringC.c_str()[i]);
    
  }

}

getBME280.ino

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

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

  // FullString
  FullString = "Temperature = " + String(BMEtempC,2) + " Humidity = "
  + String(BMEhumid,2) + " Barometric = " + String(BMEpressure,2) 
  + " Altitude Meters = " + String(BMEaltitudeM,2) + "\r\n";

  // FullString Bluetooth Serial + Serial
  for(int i = 0; i < FullString.length(); i++)
  {

    // Bluetooth Serial
    SerialBT.write(FullString.c_str()[i]);
    // Serial
    Serial.write(FullString.c_str()[i]);
    
  }

}

getBarometer.ino

// STMicroelectronics LPS25H digital barometer
// Setup Barometer
void isSetupBarometer(){

  // Setup Barometer
  ps.init();
  // Default
  ps.enableDefault();
  
}
// Barometer
void isBarometer(){

  // Barometer
  pressure = ps.readPressureMillibars();
  // Altitude Meters
  altitude = ps.pressureToAltitudeMeters(pressure);
  // Temperature Celsius
  temperature = ps.readTemperatureC();

  // FullStringF
  FullStringF = "Barometer = " + String(pressure,2) + " Altitude Meters = "
  + String(altitude,2) + " Temperature Celsius = "
  + String(temperature,2) + "\r\n";

  // FullStringF Bluetooth Serial + Serial
  for(int i = 0; i < FullStringF.length(); i++)
  {

    // Bluetooth Serial
    SerialBT.write(FullStringF.c_str()[i]);
    // Serial
    Serial.write(FullStringF.c_str()[i]);
    
  }
  
}

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();

  // FullStringA
  FullStringA = "TVOCs = " + String(CCS811TVOC,2) + " eCO2 = "
  + String(CCS811CO2,2) + "\r\n";

  // FullStringA Bluetooth Serial + Serial
  for(int i = 0; i < FullStringA.length(); i++)
  {

    // Bluetooth Serial
    SerialBT.write(FullStringA.c_str()[i]);
    // Serial
    Serial.write(FullStringA.c_str()[i]);
    
  }

}

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";

     // FullStringG
     FullStringG = "Latitude = " + String(TargetLat) + " Longitude = "
     + String(TargetLon) + "\r\n";

     // FullStringG Bluetooth Serial + Serial
     for(int i = 0; i < FullStringG.length(); i++)
     {

       // Bluetooth Serial
       SerialBT.write(FullStringG.c_str()[i]);
       // Serial
       Serial.write(FullStringG.c_str()[i]);
    
     }
    
  }
  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);

     // FullStringH
     FullStringH = "Date = " + String(TargetDat) + "\r\n";

     // FullStringH Bluetooth Serial + Serial
     for(int i = 0; i < FullStringH.length(); i++)
     {

       // Bluetooth Serial
       SerialBT.write(FullStringH.c_str()[i]);
       // Serial
       Serial.write(FullStringH.c_str()[i]);
    
     }
    
  }

  // 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);

     // FullStringH
     FullStringH = "Time = " + String(TargetTim) + "\r\n";

     // FullStringH Bluetooth Serial + Serial
     for(int i = 0; i < FullStringH.length(); i++)
     {

       // Bluetooth Serial
       SerialBT.write(FullStringH.c_str()[i]);
       // Serial
       Serial.write(FullStringH.c_str()[i]);
    
     }
    
  }

  // 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);

     // FullStringH
     FullStringH = "Speed = " + String(TargetSMS) + "\r\n";

     // FullStringH Bluetooth Serial + Serial
     for(int i = 0; i < FullStringH.length(); i++)
     {

       // Bluetooth Serial
       SerialBT.write(FullStringH.c_str()[i]);
       // Serial
       Serial.write(FullStringH.c_str()[i]);
    
     }

  }

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

     // FullStringH
     FullStringH = "Altitude = " + String(TargetALT) + "\r\n";

     // FullStringH Bluetooth Serial + Serial
     for(int i = 0; i < FullStringH.length(); i++)
     {

       // Bluetooth Serial
       SerialBT.write(FullStringH.c_str()[i]);
       // Serial
       Serial.write(FullStringH.c_str()[i]);
    
     }

  }
 
}

getMagnetometer.ino

// Magnetometer
// Setup Magnetometer
void setupMag() {

  // Setup Magnetometer
  mag.init();
  // Default
  mag.enableDefault();
  
}
// Magnetometer
void isMag() {

  // Magnetometer
  mag.read();
  // Magnetometer x, y, z
  magX = mag.m.x;
  magY = mag.m.y;
  magZ = mag.m.z;

  // FullString D
  FullStringD = "Magnetometer X = " + String(magX) + " Magnetometer Y = "
  + String(magY) + " Magnetometer Z = " + String(magZ) 
  + "\r\n";

  // FullStringD Bluetooth Serial + Serial
  for(int i = 0; i < FullStringD.length(); i++)
  {

    // Bluetooth Serial
    SerialBT.write(FullStringD.c_str()[i]);
    // Serial
    Serial.write(FullStringD.c_str()[i]);
    
  }
  
}

setup.ino

// Setup
void setup()
{
  
  // Serial Begin
  Serial.begin(115200);
  Serial.println("Starting BLE work!");

  // Bluetooth Serial
  SerialBT.begin("Don Luc Electronics");
  Serial.println("Bluetooth Started! Ready to pair...");

  // Give display time to power on
  delay(100);
  
  // Wire - Inialize I2C Hardware
  Wire.begin();

  // Give display time to power on
  delay(100);

  // SparkFun BME280 - Temperature, Humidity, Barometric Pressure, and Altitude 
  myBME280.begin();

  // CCS811 - eCO2 & tVOC
  myCCS811.begin();

  // Setup IMU
  setupIMU();

  // Setup Magnetometer
  setupMag();

  // Setup Barometer
  isSetupBarometer();

  // GPS Receiver
  // Setup GPS
  setupGPS();
  
  // Initialize digital pin LED_BUILTIN as an output
  pinMode(LED_BUILTIN, OUTPUT);
  // Turn the LED on HIGH
  digitalWrite(LED_BUILTIN, HIGH);

}

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Posted in #26 - Radio Frequency, Arduino, Consultant, Digital Electronics, ESP32, Fritzing, Microcontrollers, Pololu, Program, Projects, SparkFun | Tagged Accelerometer, Arduino, Bluetooth, Bluetooth Serial Terminal for Windows 10, Components, Consultant, Electronics, ESP32, Fritzing, Gyroscope, Magnetometer, Microcontrollers, Pololu, Programming, Programming ESP32, Project, SparkFun, Technology, Video Blog, Vlog | Leave a comment