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Clap Lamp

Please clap

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What is it?

It's a lamp that turns on when you clap twice, with a specific timing.  It uses an Attiny412 as the brains, and an MCP6002 for audio amplification and constant current sinking through the three 1W LED.  Constant current is especially easy to achieve with the Attiny412 because of it's 8-bit DAC.  Have I mentioned that I love Attinys?  Anyways, here is a video of the prototype, which is pretty faithfully recreated on the PCB:

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