Here we discussed about MQ3 Alcohol Sensor's Pinout, Working Principle, Circuit Diagram, etc. Also you will get to know how to use MQ3 sensor with Arduino to detect alcohol ...

An 8051 Microcontroller-Based Alcohol Detection System using an MQ3 sensor and buzzer was developed to enhance safety in industrial areas and prevent accidents due to alcohol consumption. This proj ...

Arduino Uno Alcohol Sensor Module Speed Sensor Module Motor Driver Module DC Motor LCD Display Buzzer LEDs Breadboard Jumper Wires Power Supply Circuit Diagram ...