• Kanishka Jose
• Sangeeth M Raj
• Arya S
• Sarath M
• Vidya Surendran

Drinking of alchohol and driving the vehicle is a serious offence in the eyes of law. This issue also cause a serious public health problem and accidents, thus unsafe for the public. This project presents an alchohol sensing alert with engine locking. Here an aurdino unoR3, alchohol sensor MQ3 is used for sensing and alert is provided by an alarm system and an LCD display is provided. The LCD display is connected to aurdino to display alchohol detected when the sensor senses the alchohol. This paper presents a device and system commonly known as alchohol sensor device to detect the concentration of alchohol in humans. This device detect the alchohol level concentration and if alchohol concentration is above specific concentration level then the ignition system of automobile is stopped i.e the automobile will not start by the use of above device we can save the accidents which cause due to drunk and drive. The work is developed by integrating sensors based on alcohol content detection conglomerating with Microcontroller board like Arduino, ATmega328 is more versatile in handling more functions than any other conventional microcontroller. The MQ3 module is used to detect the alcohol particle which has reasonable sensitivity range around two meters, and is suitable for any kind of vehicle. The sensor has one more unique quality that it can simply be unseen from the defendants. It is too compact to fit complete set up in the form of product in automobile.

Aurdino uno R3, Alchohol sensor MQ3,LCD, ATmega, Alcohol Dectector, PPM (Parts Per Million)

"Alcohol Sensing Alert with Engine Locking ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 6, page no.19-22, June-2021, Available :http://www.jetir.org/papers/JETIRET06004.pdf

"Alcohol Sensing Alert with Engine Locking ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 6, page no. pp19-22, June-2021, Available at : http://www.jetir.org/papers/JETIRET06004.pdf