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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 »

EL Cycle

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If you’re thinking, “‘EL Cycle’ sounds like a bicycle-powered EL wire project,” then you are correct! In this project we’ll be using a stepper motor as a generator to drive EL wire wrapped around the frame of a bike. Instead of powering the EL wire with batteries — which would... Read more »

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