ALGORITHM The design of the alcohol detection and engine locking system aims to create a safety mechanism that prevents vehicle operation when the driver is under the influence of alcohol. This system ...

Its resistance changes when fumes or smell from alcohol comes in contact with the MQ-3 sensor. Arduino based alcohol detector having the mq3 sensor the specification given above. which can be monitor ...

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 researchers used an Arduino Uno board, an Adafruit LCD, a desk fan and a household spray bottle to transmit a short message across a tabletop, via molecular diffusion.

The researchers used the Arduino Uno microcontroller board for their transmitter. For text entry, they used an Adafruit 16×2-character LCD Shield Kit that has six push buttons.