Brick-Shop - 6036901 Technic Electric, Cable USB for Mindstorms EV3, USB A-Type Male to USB Mini-b 5-Pin Male (Length 2 meters/6 Feet) LEGO Electric Battery Box Train Power Functions Motor (8881) Engine
Building Instructions for a cable that connects LEGO Power Functions (PF) with Mindstorms NXT/EV3 - Christoph Bartneck, Ph.D.