How to use Gas/Smoke sensor with Arduino | Gas leak alarm system

In this video we are going to learn how to use MQ2 Gas-Smoke Sensor with Arduino so that we can detect presence of gas/smoke in air and take some action.
We will make gas leak alarm system to turn on buzzer.
I have explained in details each step along with code and connections.
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👉Components list :
✅ Arduino Uno amzn.to/3tjKRMR
✅ MQ-2 Gas/Smoke Sensor module amzn.to/3pK2XGE
✅ Buzzer
✅ 7-12 V DC battery
✅ Jumper wires
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👉Code and diagram:
github.com/un0...
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