BrickPi is a board that converts Raspberry Pi into a robot. The project is a board and case that connects LEGO Mindstorms Sensors, motors, and parts to turn your credit card size computer into a robot. The BrickPi connects 3 LEGO Motors and 4 Sensors. It has a 9V battery power source that powers the motors, sensors, and Raspberry Pi, untethering the Pi from the wall. Finally, it has a sturdy case with holes that snap with LEGOs. The brains of a Raspberry Pi and the build of LEGO. Project Link