Build logs and write-ups from the open-source keyboard built around your needs. https://openmicrokbd.org/blog/ 2026-09-07T00:00:00Z Tony Huang https://openmicrokbd.org/blog/resident-bootloader/ 2026-09-07T00:00:00Z 2026-09-07T00:00:00Z

A 24 KiB resident bootloader validates every firmware image before it runs and offers a driverless USB recovery mode. One last ROM DFU flash to install it; after that, no update can brick the pad.

https://openmicrokbd.org/blog/codex-micro-compat-mode/ 2026-09-02T00:00:00Z 2026-09-02T00:00:00Z

Firmware 0.8.0 adds an opt-in Codex Micro compat mode: the pad boots with the Codex Micro's USB identity and speaks the ChatGPT desktop app's device protocol, confirmed with Codex desktop 26.825 on macOS. App 0.12.0 adds profile templates for Codex and Claude Code laid out for the stock keycaps, every key a plain keystroke with the right modifier per operating system.

https://openmicrokbd.org/blog/fab-with-jlcpcb/ 2026-08-25T00:00:00Z 2026-08-25T00:00:00Z

A step-by-step walkthrough, with video, of turning the three files in hw/v1/fab/ into assembled boards: Gerber upload, the stackup and surface finish that matter, two-sided assembly, BOM and CPL matching, and the DFM flags that are documented and safe to ignore.

https://openmicrokbd.org/blog/openmicrokbd-launch/ 2026-08-10T00:00:00Z 2026-08-24T00:00:00Z

An MIT-licensed, wired USB-C macropad that recreates the Codex Micro's control surface for about $37 in parts — an open schematic written in open-source CoHDL, Rust + Embassy firmware, a GPUI companion app, and a fab-ready manufacturing package.