#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 ...

All the sensors apart from the DHT22 are I2C sensors, most of these are compatible with the arduino sensor code, the wire class provides a compatible interface and is used by the sensors. Each sensor ...

The PIR motion sensor consists of 3 pins-VCC, GND, and the Data Output Pin. VCC is the power pin of the module. Out is the data Output pin of the module.it goes high when motion is detected. GND is ...

Spread the love“`html Connecting sensors to Arduino opens up a vast array of possibilities for hobbyists and professionals alike, transforming ideas into functional prototypes and projects. Whether ...

Arduino is a very popular open-source platform and Arduino UNO is one of the most loved microcontrollers among electronics hobbyists worldwide. It consists of a physical programmable circuit board and ...