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 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.

Posted in Arduino Hacks, Video Hacks Tagged arduino mega, hud, overlay, video hacks ← Drones Are Getting A Lot Smarter What Do Bertlmann’s Socks Mean To The Nature Of Reality? → ...

This research presents the development and evaluation of a breath alcohol measurement device utilizing the MQ-3 alcohol sensor and an Arduino Nano-based control system. The primary objective was to ...

Drunk driving remains a significant issue worldwide, with thousands of lives lost every year due to accidents caused by individuals operating vehicles under the influence of alcohol. The devastating ...

The researchers used an Arduino Uno board, an Adafruit LCD, a desk fan and a household spray bottle to transmit a short message across a tabletop, via molecular diffusion.