ALGORITHM The design of the alcohol detection and engine locking system aims to create a safety mechanism that prevents vehicle operation when the driver is under the influence of alcohol. This system ...

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 ...

Cisco project - Y9. Contribute to Pandabel/Arduino-Alcohol-Watch development by creating an account on GitHub.

The purpose of this paper is to develop a system that can effectively detect alcohol. A hygienic way of detecting alcohol has been developed. An MQ-3 sensor is connected to an Arduino Uno board which ...

Build an Arduino-based smart helmet with RF transmitter & receiver featuring theft, wear, alcohol, and drowsiness detection. Simple DIY project with easy-to-follow circuit diagrams, code, and ...

DIY Alcohol Breath Analyzer – Circuit Fig. 2 shows the circuit diagram of the alcohol detector. The circuit includes an Arduino Uno board (MOD1), four LEDs (L1 through L4), two buzzers (B1 through B2) ...

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.