The MQ-2 Gas sensor can detect or measure gasses like LPG, Alcohol, Propane, Hydrogen, CO, and even methane. With this sensor, we can build a gas leak detector to check if there is a gas leak and send a notification to our mobile phone.
This week we show you how to make a gas detector using ESP32 and Blynk App.
Learn how to make this project here and watch the video here.
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