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by fredley 1745 days ago
This is an extremely cursed idea, I love it.
2 comments
photojosh 1745 days ago
Not Bluetooth, but tempting to give this idea a try using a sub-$1 microcontroller [0] implementing a software-defined radio with a PCB trace antenna which is powered from the kinetic energy when you actually hit the key.

[0] https://jaycarlson.net/microcontrollers/

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codezero 1745 days ago
Now pairing the A key.
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