Coffee Cup Spy Cam

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Take your cup of Joe from classic to classified with a tilt-triggered spy camera. The trick is to modify two paper coffee cups — install the device in one, slide it into the second, and align holes cut in the bottoms of each. Two LEDs can be seen through the... Read more »

Joust-A-Bot

Turn your robot starter kit into a jousting bot!

Turn a basic line-following robot into a jousting knight. Append a simple circuit to the chassis, add some personality to your bot, and let the games begin! Read more »

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