MQ3 Sensor and Relay-Based Vehicle Ignition Lock System using Arduino_Nitesh_Chaurasiya circuit diagram

MQ3 Sensor and Relay-Based Vehicle Ignition Lock System using Arduino_Nitesh_Chaurasiya

By Nitesh Chaurasiya

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Components used: arduino, arduinouno, mq-3, npntransistor, led, resistor

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