Keyboard Builders' Digest
$5 off of ceramic caps at Cerakey!
Keyboard Builders' Digest / Projects


Jhonatan Ferrer's JK206 is an open-source 12x5 ortho keyboard – actually 3 numpads stuck together.
Published March 22, 2024
Creators! Feel free to tip me off about your keyboard related projects to bring them to 120K readers.

Published a few months ago, the JK206 by Jhonatan Ferrer aka Jhoalferco has now a nice stacked acrylic case (not yet in the repo).

Some time ago I designed and assembled the JK206 keyboard, and I was quite happy with the result but it looked a bit fragile, so I designed a new case with gasket mount using stacked acrylic – Jhonatan.

This project consists of a mechanical ortholinear keyboard design that is capable of being used as a macropad/numpad or a 50% keyboard.


This is achieved through the modular design of the PCB that can be used by itself to mount a macropad with up to 20 keys (5 of them can be exchanged for encoders), while with three PCBs you can build a keyboard with up to 60 keys (3 of them can be encoders).


  • 4x5 PCB
  • hotswap, MX
  • optional encoders
  • Raspberry Pi Pico
  • KMK
  • stacked acrylic case



Do you like this post? Share, donate, subscribe, tip me off!

Published on Fri 22nd Mar 2024. Featured in KBD #159 (source).


Block keyboard

Ben Cooper's Block is a 12x4 hotswap ortholinear keyboard with OLED display.

From Boardwalk to Promenade

With the Promenade, Krado Industries tries to resurrect the Boardwalk, an ortho board with 1.5u Ergodox modifiers – and a piece of keyboard history.

Lumberjack: a 60% ortho

Lumberjack is an open source 60% ortho PCB by peejeh.

Ortho Protozoa P02

u/smellycoat made an ortholinear PCB to fit a Protozoa P02 case – with a giant knob.

Layeri - a handwired one

Layeri - first DIY mechanical keyboard with handwiring and custom layout by elschnorelli.


The Matcha59 is a hand-wired, angled, 3D-printable Preonic alternative by rykbio.