Portable Rainbow Machine Makes Cheery Vandalism Easy

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Making a powered arm to paint rainbows for you? Nice work if you can get it.

The thing is actually deceptively complicated: it’s got to have wiring to start and stop the paint cans, and a gearing system to make sure the swing arm doesn’t go too fast or too slow.

Very cool. We could use a few more of these in Seattle. I wonder what the rainbow capital of the world is? Probably somewhere weird.

[via Adafruit and Hack a day]

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