Draw a polygone with the RCX

This robot uses the features of the direction-master. Build the following Mars-rover from LEGO respecting the transformations and add a pen-holder. The variations of the differential gearing are registered by the Lego-rotation-sensor. We tested 36 impulses for a 90 degrees rotation of the robot. So to draw a hexagone, 60 degrees have to be mesured e.a. 36 x 60 / 90 = 24 impulses. Note that you will get a perfect hexagone only if you are able to fix the pen to the rotation center of the robot. For this you will have to change the design a little bit.

 
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Download the LEGO RCX-Code: Polygone


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