Spherical NXT Robot
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This is the robot equivalent of a hamster in a ball. Basically a ball-shaped robot based on a Lego Mindstorms NXT. It moves in any direction by rotating it’s internal mass horizontally and vertically. Right now it’s remote controlled via Bluetooth from a second NXT. But it may be autonomous later on.
The creator says that there’s no deeper meaning, just a lot of fun to drive.