Detects alcohol vapor in the driver’s breath, providing an analog output proportional to the concentration of alcohol. Arduino Uno Microcontroller: The core processing unit that receives input from ...

Build an Arduino-based smart helmet with RF transmitter & receiver featuring theft, wear, alcohol, and drowsiness detection. Simple DIY project with easy-to-follow circuit diagrams, code, and ...

This system employs an MQ-3 alcohol sensor to measure the blood alcohol concentration (BAC) from the driver’s breath. An Arduino Uno microcontroller processes the sensor data and compares it against a ...

In this article, I have added three sensors with Arduino UNO and user can choose the required sensor with the help of keypad.

Drunk driving remains a significant issue worldwide, with thousands of lives lost every year due to accidents caused by individuals operating vehicles under the influence of alcohol. The devastating ...

The purpose of this paper is to develop a system that can effectively detect alcohol. A hygienic way of detecting alcohol has been developed. An MQ-3 sensor is connected to an Arduino Uno board which ...

ultrasonic sensor value in lcd display with arduino ultrasonic sensor value in LCD display with Arduino code: // C++ code // include the library code: #include // initialize the library with the ...