Smoke Detector using MQ2 Gas Sensor and Arduino

Smoke Detector using MQ2 Gas Sensor and Arduino

Smoke Detectors arevery useful in detecting smoke or fire in buildings, and so are the important safety parameters. In this DIY session, we are going to build a Smoke Detector Circuit which not only sense the smoke in the air but also reads and displays the level of Smoke in the Air in PPM (parts per million). […]

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