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Tempest

Oliver Thurley's Tempest is an open-source split keyboard with some nice splay.

KBD.news
Published June 17, 2025
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The Tempest is a 36-key wireless ergo split keyboard with some splay, designed by Oliver Thurley (aka thrly/Background_Reporter9).

Really like my corne, but wanted a little splay and more thumb reach. There's loads of excellent alternative designs out there, but I wanted my own and had a lot of fun designing/building this myself! – Oliver.

Specs

  • 36 keys (5x3+3)
  • low-profile Choc V1 switches, hotswappable
  • pinky and ring column splay
  • nice!nano or Pro Micro controller
  • reversible PCB
  • 3D printable case
  • ZMK

Pic:

Despite the footprint for it, there is no working display on the current version (1.1). The display header pins are not connected correctly. You could probably hand-wire the holes to the microcontroller pins to fix though.

Resources

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Published on Tue 17th Jun 2025. Featured in KBD #193 (source).


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