Circuit Diagram and Explanation: In this Arduino Alcohol Detector Shield we have used a MQ3 sensor to detect present alcohol level in the breath. A 16x2 LCD is used for displaying the PPM Value of ...

The MQ-3 Alcohol Detection Sensor Module circuit diagram is given below. This module's design is relatively basic and only requires a few components to construct. ... Previously we build this Alcohol ...

🍷 Alcohol Detector using MQ3 Sensor and Arduino Created by Sk_ElectroTech Developed by Siddhu 📧 Contact: [email protected] 📌 Project Description This project is a simple alcohol detection ...

An alcohol detector using an Arduino, MQ-3 sensor, and LEDs helps prevent drunk driving. The MQ-3 sensor detects alcohol by measuring changes in resistance when exposed to alcohol fumes. This data is ...

Arduino Uno, Bread Board, Jumper Wires, Nano Cable, LCD I2C, Alcohol Sensor, LED, Buzzer, L298 Driver, BO Motor(200 RPM), tyres, Wooden Base, Battery Holder,18650 2000mah 3 cells, Jumper wires.

Ensure proper wiring to avoid any errors. Before using the circuit, use MQ3 sensor to verify test points given in the table. EFY note. The circuit was tested successfully with MQ3 alcohol sensor.