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 ...

This system employs an MQ-3 alcohol sensor to measure the blood alcohol concentration (BAC) from the driver’s breath. An Arduino Uno microcontroller processes the sensor data and compares it against a ...

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 ...

This paper aims to build a framework for keeping the vehicle protected and shielding it by the intruder's occupation. When running by less conscious we cannot take care of our own. When we do all the ...

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 ...

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.