DIY Gas Leak Detector: Easy & Affordable Home Project 

Here is how to use MQ4 sensor for home safety, As gas leakage detector.
Easy and Affordable use. Without any microcontroller.
What You'll Learn:
Basics of gas sensors and how they detect gas concentrations.
Detailed steps to wire and use the MQ4 gas sensor.
Setting up a gas detection alarm system with a buzzer.
Practical applications of gas detection systems in home safety.
Music:
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