Garage door project
Channel: Andrew Beresford
Date: 2012-09-14

My motorbike garage door opener. Built around a pair of Pololu Wixels (http://www.pololu.com/catalog/product/1336), a transistor, an optocoupler and a whole heap of resistors.

The first proper electronics project I've done since I was a teenager. Combines 3.3v on the microcontroller side and roughly 24v (as measured from the garage door opener supply) on the garage door side through the optoisolator and output transistor.