"Driver Drowsiness Detection with Engine Lock & alert System"

This project is an innovative, Arduino-based safety system designed to combat the critical issue of driver drowsiness, a major cause of road accidents. The system proactively monitors a driver's state in real-time, aiming to prevent hazardous situations before they escalate.

At its core, the system utilizes an Infrared (IR) blink sensor strategically mounted on a pair of spectacles. This sensor continuously observes the driver's eye movements and blink patterns. The data from the sensor is fed into an Arduino Nano, which acts as the central processing unit. The Arduino is programmed with logic to identify signs of drowsiness, such as prolonged eye closure or irregular blinking.

Upon detecting drowsiness, the system initiates a dual-mode alert: an audible warning is triggered via an integrated buzzer, and a clear visual alert ("Drowsiness Detected!") is displayed on a 16x2 LCD screen. Crucially, to demonstrate a preventive measure, the system also controls a DC motor (simulating the vehicle's engine) via an L298N H-bridge motor driver. When drowsiness is detected, the Arduino signals the motor driver to stop the motor, illustrating a simulated "engine locking" functionality to prevent continued operation under unsafe conditions. The entire prototype is powered by 18650 batteries, ensuring portability and self-sufficiency.

This system provides a cost-effective and immediate safety solution, designed to alert drivers and prevent accidents stemming from fatigue.