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Print the Rainbow with the Automatic Skittles Printer

Instructables member JohnO3 calls his invention the "Skittle Pixel8r". It was a sophisticated programming and mechanical challenge, as the printer produces a specific image using pre-sorted Skittles. A motor moves the hopper along to drop in one Skittle at a time, slowly building the image from the bottom up.

You can find detailed instructions, including coding and wiring diagrams, at Instructables. But be warned:

It was supposed to be a weekend project but ended up taking a month to design and build. 

That's the way projects usually work.

-via Technabob

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