This is an Arduino program for BMP180 digital temperature sensor. This is raw program that has been written by following the datasheet. It does not use any library for temperature access just to show ...

#define MQ9pin A7 // MQ-9 gas sensor connected to A7 Adafruit_BMP085 bmp; // Create BMP180 sensor object SoftwareSerial BTSerial(10, 11); // Define Bluetooth communication pins (RX = 10, TX = 11) int ...