It's always great to get submissions from readers (to webmaster@electronicsweekly.com, please), so thanks to Ian for sending us this one. More than a controller for Arduino, he describes it as an ...

Digilent also mentions utilizing the Pic’s built in USB 2 controller, 10/100 Ethernet and dual CAN controllers, but these will require shields specific to the chipKIT Max32.

Why this hasn't been done before is a mystery to me. This little hack project by Kellbot of NYCResistor takes a rolling ball, an optical mouse, a gutted PS2 controller, and some Arduino hacking ...