Two nice builds for robots that can draw.
http://www.instructables.com/id/Drawing-Car-Arduino/
http://www.instructables.com/id/Arduino-Drawbot-20/?ALLSTEPS
Two nice builds for robots that can draw.
http://www.instructables.com/id/Drawing-Car-Arduino/
http://www.instructables.com/id/Arduino-Drawbot-20/?ALLSTEPS