#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 ...
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 ...
Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...
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 ...
Fire safety alarms are crucial in both residential and industrial environments. Early fire detection can prevent significant damage and save lives. Flame sensors offer one of the most efficient ...
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