William RickertandClaude Opus 5 4467aa9433 Initial design record for the three-piece keyboard ...

Two mirrored halves plus a numpad that carries the USB hub. Captures the
architecture decisions and the reasoning behind them: CH32L103 with an
STM32F103 pin-compatible escape hatch, split protocol tunnelled over USB-C
SBU through the numpad, hotswap sockets bottom-side, and why crystal-less
USB was ruled out across the whole WCH catalogue.

No boards ordered, no firmware written. Layout still undesigned.

Co-Authored-By: Claude Opus 5 <[email protected]>

2026-08-27 14:07:50 -05:00

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