Overview In this project, we will build Gas Leak Detection & Alarm System using MQ2 Gas Sensor and Arduino UNO Board. The MQ2 sensor is a versatile gas sensor capable of detecting a wide range of ...

Implementation of a smoke detection system using an MQ2 gas sensor, a relay module, a brushless DC exhaust fan, and an LED. The system detect smoke in real-time and trigger the exhaust fan and LED ...