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6 Cool Raspberry Pi Projects For Lego FansAs a LEGO fan, you've probably challenged yourself to build a fully functional life-size arm at some point. It's a tricky assembly made of a lot of pieces and hinges, but it's a rewarding task ...
This version makes heavy use of Lego parts for the arm and gearing. The base has a stepper motor which swings the arm in an arc which reaches the input pile, the optical drive try, and the output bin.
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