How to stop car engine if Alcohol detects using Arduino Nano

In this project we have used below components

1. Arduino Nano
2. LCD display
3. Bo Motor
4. Motor Driver
5. LED's
6. MQ2 Alcohol sensor
7. Voltage regulator
8. Buzzer
9. Connecting Wires

If any doubts contact me at [email protected]

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Happy Learning 😊🙂✌

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