Here is an artistic Arduino project for the fun-minded. The circuit is an Arduino RGB LED controller running on a sweet ‘n’ simple code,but with a little hardware surprise outside the Arduino board.

A large installed base of powered speakers from a defunct manufacturer and a dwindling supply of working remote controls. Sounds like nightmare fuel for an AV professional – unless you take matters ...

So I've had 16' of RGB LED's attached to an arduino attached to my PC. Just for 5V power and the occasional "control" by uploading a new sketch. But then I saw this and am intrigued as it will allow ...