Bluetooth Pololu AltIMU-10
Project #26 – Radio Frequency – Bluetooth Pololu AltIMU-10 – Mk23
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#DonLucElectronics #DonLuc #RadioFrequency #Bluetooth #SparkFun #BME280 #CCS811 #IMU #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant
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AltIMU-10 v5 Gyro, Accelerometer, Compass, and Altimeter
The Pololu AltIMU-10 v5 is an inertial measurement unit (IMU) and altimeter that features the same LSM6DS33 gyro and accelerometer and LIS3MDL magnetometer as the MinIMU-9 v5, and adds an LPS25H digital barometer. An I²C interface accesses ten independent pressure, rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s altitude and absolute orientation. The Pololu AltIMU-10 v5 is a compact board that combines ST’s LSM6DS33 3-axis gyroscope and 3-axis accelerometer, LIS3MDL 3-axis magnetometer, and LPS25H digital barometer to form an inertial measurement unit (IMU) and altimeter.
DL2307Mk04
1 x SparkFun Thing Plus – ESP32 WROOM
1 x Arduino Uno
1 x SparkFun Bluetooth Mate Silver
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 Lithium Ion Battery – 850mAh
2 x SparkFun Cerberus USB Cable
SparkFun Thing Plus – ESP32 WROOM
LED – LED_BUILTIN
SDA – Digital 23
SCL – Digital 22
RX2 – Bluetooth
TX2 – Bluetooth
VIN – +3.3V
GND – GND
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DL2307Mk04ps.ino
/* ***** Don Luc Electronics © ***** Software Version Information Project #26 - Radio Frequency - Bluetooth Pololu AltIMU-10 - Mk23 26-23 DL2307Mk04pr.ino 1 x SparkFun Thing Plus - ESP32 WROOM 1 x Arduino Uno 1 x SparkFun Bluetooth Mate Silver 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 Lithium Ion Battery - 85mAh 2 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> // 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 = ""; // Software Version Information String sver = "26-23"; void loop() { // SparkFun BME280 - Temperature, Humidity, Barometric Pressure, and Altitude isBME280(); // SparkFun CCS811 - eCO2 & tVOC isCCS811(); // Accelerometer and Gyroscopes isIMU(); // Magnetometer isMag(); // Barometer isBarometer(); // 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]); } }
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(9600); 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(); // 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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Arduino Uno
RX – Digital 3
TX – Digital 2
VIN – +3.3V
GND – GND
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DL2307Mk04pr.ino
/* ***** Don Luc Electronics © ***** Software Version Information Project #26 - Radio Frequency - Bluetooth Pololu AltIMU-10 - Mk23 26-23 DL2307Mk04pr.ino 1 x Arduino Uno 1 x SparkFun RedBoard Qwiic 1 x SparkFun Bluetooth Mate Silver 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 Lithium Ion Battery - 85mAh 2 x SparkFun Cerberus USB Cable */ // Include the Library Code // Software Serial #include <SoftwareSerial.h> // Software Serial // TX-O pin of bluetooth mate, Arduino D2 int bluetoothTx = 2; // RX-I pin of bluetooth mate, Arduino D3 int bluetoothRx = 3; // Bluetooth SoftwareSerial bluetooth(bluetoothTx, bluetoothRx); // BTA //String BTA = "0006664FDC9E"; // Software Version Information String sver = "26-23"; void loop() { // isBluetooth isBluetooth(); }
getBluetooth.ino
// Bluetooth // Setup Bluetooth void isSetupBluetooth(){ // Setup Bluetooth // Begin the serial monitor at 9600bps Serial.begin(9600); // Bluetooth // The Bluetooth Mate defaults to 115200bps bluetooth.begin(115200); // Print three times individually bluetooth.print("$"); bluetooth.print("$"); bluetooth.print("$"); // Enter command mode // Short delay, wait for the Mate to send back CMD delay(100); // Temporarily Change the baudrate to 9600, no parity bluetooth.println("U,9600,N"); // 115200 can be too fast at times for NewSoftSerial to relay the data reliably // Start bluetooth serial at 9600 bluetooth.begin(9600); } // isBluetooth void isBluetooth() { // If the bluetooth sent any characters if(bluetooth.available()) { // Send any characters the bluetooth prints to the serial monitor Serial.print((char)bluetooth.read()); } // If stuff was typed in the serial monitor if(Serial.available()) { // Send any characters the Serial monitor prints to the bluetooth bluetooth.print((char)Serial.read()); } }
setup.ino
// Setup void setup() { // Setup Bluetooth isSetupBluetooth(); }
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