Angela Yuan built this awesome Etch-A-Sketch clock that draws out the time and then erases itself every minute. It was built on the Arduino platform. Hit play or go to http://www.revver.com/video/719432/etch-a-sketch-clock/ [Revver] | Angela's website - Thanks Sean and SenorMysterioso!
he'll make you laugh
he'll make you think
He likes to run, and then the thing, with the... mmm person... Oh boy, that monkey is going to pay.
//just kidding, it's a clever hack even though it was done by a slot instead of a tab.