The Chrumm keyboard

October 2023

Chrumm is an open-hardware ergonomic keyboard, made of a 3D-printable body, a bendable PCB, and custom firmware for the Raspberry Pi Pico. All source and release files are available on GitHub.

Front view of the finished keyboard
Inside view with installed electronics
Print and assembly of the body
Palm rests wrapped with artificial leather
Preparation and installation of the PCB