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, ...

#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 ...

This Arduino based Water Level Detection and Alert System designed to reduce water wastage, prevent overflow, and improve ...

XGMP3V3 Differential Pressure Sensor for Arduino and Raspberry Pi. This repository houses codes for approximating differential pressure from the XGMP3v3 sensor on an Arduino board or analog-to-digital ...

An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.