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For my latest project, I teamed up with my friends to create the world’s smallest Arduino compatible board named Atto! Below video shows Atto in action with its RGB (rainbow) LED lighting up. Wondering how small Atto is? How’s about 0.4” x 0.45” small? (10.3 mm x 11.5 mm for my fellow metric brothers and sisters).

For those of you who may be unfamiliar, Arduino is a general-purpose circuit board with a tiny processor that can be programmed to do pretty much whatever you want, and it has a huge community behind it. Having a huge community (for anything…

Justin K.

I came here to practice my writing.

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