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 ...
Project Overview The system uses a gas sensor (MQ-2/MQ-5/MQ-135) to detect gas leakage and trigger alerts. It can also send notifications using Wi-Fi (ESP8266/ESP32) or GSM. Key Components Arduino Uno ...
Abstract: This paper describes an LPG gas alarm and auto shut-off prototype built around an Arduino Uno to make homes and factories safer. At its core sits an MQ-2 sensor that tracks gas levels ...
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