Alcohol Detection-Based Car Engine Lock System
Keywords:
Preventing drunk driving, MQ-3 sensor, GSM alerting system, Vehicle ignition control, Alcohol detection, Arduino-based safety.Abstract
Driving while impaired by alcohol is a serious global safety issue. In this project, we presented the process of developing an inexpensive alcohol detection system based on the Arduino, specifications to ensure that drunk people never get in an automobile and start it. The system leverages an MQ-3 alcohol sensor that queries breath alcohol levels. If the sensor reading exceeds a determined alcohol level, the device terminates ignition through a relay. The device features an LCD for real-time feedback, and it utilizes a SIM900 GSM module to notify emergency contacts if the driver is hindered by alcohol while operating a vehicle. We tested this system under varying environmental conditions and suggest that the system can be relied upon and is useful as a practical deterrent to drunken drivers. Since the developing while relatively compact, inexpensive, and straight forward are able to be designed into newer vehicle and retrofitted into existing vehicles equally. The system is also particularly effective at combining a real-time monitoring system with automated alert messages
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References
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