This project uses an MQ gas sensor and a buzzer with an Arduino Uno to detect gas leaks and issue an audible alert. The gas sensor is connected to analog pin A0. The buzzer is connected to digital pin ...

This project is a safety monitoring system designed to detect hazardous gas leaks using an MQ2 gas sensor interfaced with an Arduino UNO. The MQ2 sensor detects gases such as LPG, methane (CH₄), ...