Keyboard Builders' Digest / Projects
Ground Control 40
A low-profile ortho board with exposed pins for prototyping: Ground Control 40 by Nick Coughlin.
Published July 15, 2024
Would you like to contribute to this year's MK Advent Calendar? Here are the guidelines for authors, along with last year's edition for reference.
The Ground Control 40 Dev Board is an open-source 40% ortholinear keyboard shell with exposed pin header, designed by Nick Coughlin aka ncoughlin/NC_Developer for rapid prototyping with any microcontroller of your choice.
Features
- 45 keys (12x4-ish)
- split spacebar ortholinear 40% layout
- low-profile (Choc v1), hotswap
- folded switch matrix to minimize required I/O pins
- combined rotary encoder + 5-direction multiswitch in one (Alps RKJXT1F42001)
The row, column and encoder pins are exposed with a 1x20 socket to easily connect anything to a breadboard.
Resources
Published on Mon 15th Jul 2024. Featured in KBD #169 (source).
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