This week we built a simplified spirograph robot that works by attaching a pen to two levers that are moved by two motors that are moving at two different speeds and directions. You can draw an almost infinite number of patterns based on the combination of speed and direction that you use as inputs.  Here is the very basic code as well as  building instructions for the robot.

RoboArt Building Instructions

Here is a compilation of some of the art produced by the robots and kids.



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