• Amit Srivastava
• Shourabh Kumar
• Mritunjay Mishra
• S.Jaiswal

Automatic engine locking system was devised to prevent drivers from driving vehicles in a boozed up state and helping in the cause to promote “not to drink and drive”. The authors came up with idea of developing a prototype in which a sensor placed in the vehicle will be used to detect alcohol and upon detection it will trigger a warning for the driver and if the warnings are ignored then it will automatically lock the engine by shutting off its motors. The MQ-3 alcohol sensor is used to detect alcohol in the vehicle and upon alcohol detection it will lock the DC motor preventing the driver from driving the vehicle in a boozed up state. Simultaneously a buzzer will also be sounded and to restart the engine the system will require a reboot. Furthermore, after detection of the alcohol a GPS location will be send to the registered mobile number so that the location can be traced back to the driver. This project depicts an innovative way to prevent drivers from consuming alcohol while driving as it will ultimately lead to their safety as well as the safety of others around them.

Alcohol Detection, Micro controller, DC Motor representing as the vehicle engine, Buzzer for signalling an alarm to the driver, MQ-3 alcohol sensor for alcohol detection.

"Automatic Chain Locking System for Drink and Drive", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 4, page no.e441-e451, April-2022, Available :http://www.jetir.org/papers/JETIR2204460.pdf

"Automatic Chain Locking System for Drink and Drive", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 4, page no. ppe441-e451, April-2022, Available at : http://www.jetir.org/papers/JETIR2204460.pdf