Hidden USB hub turns ordinary keyboard into Doom console

The Adafruit KB2040 – RP2040 Kee Boar Driver is a development board designed specifically for custom mechanical keyboard projects ('keeb' builds). It uses a Raspberry Pi microcontroller chip and can be programmed with CircuitPython, MicroPython, or C/C++. It's only $8.95.
Our friend John Park used one to create a keyboard that runs Doom when you press a special key. — Read the rest
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