Mq-5 sensor, LPG protection system,hr robotics, LPG safety system,make lpg leakage protection system, circuit diagram for LPG protection system

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Circuit diagram for LPG protection

Required material
1.LPG sensor-https://amzn.to/2UDk6Vd
2.relay-https://amzn.to/2uQBB5O
3.transistor
4.battery
5.buzzer
6.old mobile

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