About: I am an American teaching English at Shangluo University, Shaanxi. I like making machines that do interesting but fairly useless things - I call them Quixotic Machines.
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Here is a video of my radio controlled tumbling robot. It is moving rather slow because I don't know how to work the servos as they change directions each time it rolls over. To build it I used two 360 degree servos and some acrylic rulers.