Abstract: Drunk driving is a significant contributor to road accidents globally, posing a serious safety concern. This project introduces a smart helmet system designed using Arduino technology to address this issue and improve rider safety. The system incorporates an alcohol detection module into the helmet, which continuously checks the rider's breath for signs of alcohol. If the alcohol level exceeds a set threshold, the system triggers a mechanism to cut off the fuel supply to the vehicle, preventing the engine from starting or operating. The helmet features a microcontroller (Arduino), an alcohol sensor (such as the MQ-3), and an optional wireless communication module. To ensure precise monitoring, the alcohol sensor is positioned close to the rider's mouth. The design emphasizes ease of use, reliability, and practicality for seamless real-world application.This smart helmet offers a practical and automated solution to mitigate accidents caused by drunk driving. By integrating advanced technology, it enhances road safety, supports adherence to traffic laws, and encourages responsible driving habits among motorcyclists.

Keywords: Smart Helmet , Alcohol Detection, Arduino Technology, Road Safety

| DOI: 10.17148/IARJSET.2024.111235