A case will protect your Arduino and ensure your sweater has the chance to light up the room for many holidays to come.

The Arduino Pro Mini used to control the traffic light is not only responsible for playing the tones through a piezo speaker, but as you might expect, for firing off the relays which ultimately ...

The build is based on a commercially available party light, but with some upgraded components the final product is brighter and more dynamic than it was stock.

TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project.