Hello guys,In this video we will going to learn and make gas leakage alarm project using arduino and MQ-2 gas sensor.
This project is very useful in home as well as in industries to detect leakage of gas.

This is very simple & easy.Anyone can make this at home.

Components lists.

1. Arduino board (Uno,nano,mega) anyone,
2. jumper wire
3. bread board
4. green and red 5 watt bulb
5. 5v relay module(atleast 2 channel)
6. MQ-2 gas/smoke sensor


Schematic and code link([ Ссылка ])


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