gas MQ2 MQ-2 gas sensor

• How to Build an Arduino Gas Leak Detector Using MQ-2 Sensor (analogRead + Buzzer + LED)

  Have you ever wondered if you could make your own gas leak alarm for your home or workshop? If you’re into DIY electronics and just starting out with Arduino, this project is for you! In this tutorial, you’ll learn how to build a simple gas leak detector using

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