Alcohol Detector using Arduino

  • Parts Required: Arduino Uno, MQ-3 Alcohol Sensor, Buzzer, 16X2 LCD, GPP (General Purpose PCB), 10k Pot, Jumper Wires, Resistors
  • Tech Stack: Arduino

Arduino based Alcohol Detector. I interfaced MQ-3 sensor with Arduino Uno, LCD and Buzzer.

MQ-3 sensor detects the proportion of Alcohol, and then if the proportion of alcohol is more than 40% then display will show the alert as well as the buzzer will make sound.