Electronic Giraffe Puzzle
This puzzle incorporates a design created on inventor that when all of the pieces are together LEDs light up. Each piece has a photocell sensor, powered by an arduino, underneath it and when the puzzle is completed with a border of LEDs lights up. This idea is fun and can be used to entertain people...
By: kdegroot7
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By: kdegroot7
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[original story: Instructables]