Arduino MIDI Chiptune Synthesizer with real hardware

I incidentally have a couple of those chips laying around in the lab :slight_smile:

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I recreated a NoisePlug Chiptunes player using a 2mm, 6 pin attiny chip (little brother of the Arduino processors but with a massive 32 bytes of ram) I was able to fit my version entirely inside of a 1/4" plug along with hearing aid batteries. It makes a good prank plugged into someone’s amp.

The example I cpieded into a more compact form

Code

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