DEV LOG

THE BLOG

Build logs and write-ups. Every entry as open as the board.

2026 · 08 · 10

OpenMicroKbd: an open-source build of OpenAI's $230 Codex Micro macropad

Thirteen keys, a knob, a stick, a touch pad — about $37 in parts, every layer open. Why the board exists, what it really costs, five firmware deep dives, and the language its schematic is written in.

READ ▸

Subscribe with the Atom feed.