I've built a tiny hand-held keyboard
SMRTR summary
A developer created a one-handed chorded keyboard called "Keyer" that allows typing with minimal finger movement while keeping the other hand free for tasks like using a mouse. Built for under $50 using modeling clay, mechanical switches, and an ESP32 development board, the device supports over 586 chord combinations and can be custom-fitted to your hand shape.
SMRTR provides this summary for quick context. The original article belongs to Hacker News.
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