James Poole, who recently gave us a great way to put a Raspberry Pi Zero inside a SNES controller, has branched out into robotics. He’s gone about it the old-fashioned way by using an H-bridge chip to drive two motors attached to a chassis with the Pi onboard. He’s then hooked up a USB webcam to allow him to see where he’s going. He has open-sourced all the code to do it and released it on GitHub. Take a look at his blog for more details on how to install the software and wire up the circuit.