The project illustrates how an Arduino board was interfaced with MQ-3 Alcohol Gas Sensor to create the Breathalyzer. One ADC input of Arduino is required to obtain the simple connection of the sensor.

If you’ve ever thought about having a light-up dance floor at an event, the chances are you will have been shocked at the rental cost. Doing your best impression of a young John Travolta in Saturday ...

[Martyn] is restoring a 32-year-old Honda motorcycle, so when the ancient speedometer broke last year he thought it was prime time to start of a digital speedometer project. We’re loving the results ...