Smartphone-compatible alcohol sensor uses color change to measure ethanol concentration.

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 ...

An 8051 Microcontroller-Based Alcohol Detection System using an MQ3 sensor and buzzer was developed to enhance safety in industrial areas and prevent accidents due to alcohol consumption. This project ...

Arduino Nano 33 BLE Sense Rev2 switches to BMI270 & BMM150 IMUs, HS3003 temperature & humidity sensor Arduino Nano 33 BLE Sense Rev2 is a new revision of the Nano 33 BLE Sense machine learning board ...

Here we discussed about MQ3 Alcohol Sensor's Pinout, Working Principle, Circuit Diagram, etc. Also you will get to know how to use MQ3 sensor with Arduino to detect alcohol ...

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 ...

This paper aims to build a framework for keeping the vehicle protected and shielding it by the intruder's occupation. When running by less conscious we cannot take care of our own. When we do all the ...