Development of alcohol detection system with vehicle immobilization

Salleh @ Sallah, Mohamad Fairuz (2019) Development of alcohol detection system with vehicle immobilization. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Drinking alcohol and driving a car in a drunken state can result in loss of life. The development of the system is to prevent such cases from happening. The system works by monitoring the driver’s breath and is located at the car steering or dashboard so that the monitoring process is accurate and continuous. If the driver is found to be in a drunk condition while trying to drive the car, the sensor will detect alcohol presence in the driver’s breath and the system will simultaneously turn off the engine system to prevent it from starting the car. In another situation, if the car engine is already in a running condition and the driver is drink the alcohol while he is driving, the alcohol sensor will detect the presence of alcohol and stop the car from keep running and alert the driver to pull to the roadside. The system that is used are an Arduino Uno as a microcontroller, alcohol sensor (MQ-3) for the sense of the alcohol presence, Liquid Crystal Display screen(20x4) and a direct current motor to show the engine system of the car in the demonstration. With the completion of this project, it is expected that the car engine system is turned off within five seconds when alcohol is detected in the driver’s breath and the system is safe to be implemented as a safety measure in every vehicle

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