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tempest

★ 91 Open GitHub ↗

TEMPEST is a 36/38-key split ergonomic wireless keyboard.

// repository documentation

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# TEMPEST

a 36/38-key split ergonomic keyboard

![Maintenance](https://img.shields.io/maintenance/yes/2025) ![GitHub commit activity](https://img.shields.io/github/commit-activity/m/thrly/tempest)
![Tempest](https://raw.githubusercontent.com/thrly/tempest/master/images/tempest.jpg)

## Design

- Five columns, three rows, three thumb keys
  - Optional extra key for 36 or 38-key configuration (snap-off pcb)
- Column stagger and splay on the pinky and ring columns
- Powered by nice!nano / pro micro microcontroller
- Optional nice!view display
- Designed for wireless use + battery
- Low profile v1 Choc switches + hotswap sockets
- Reversible PCB
- Uses some components (JST plug, power switch, reset) from the Typeractive Corne design
- Layout designed with [Ergogen](https://ergogen.ceoloide.com/) (see [config.yaml](./ergogen/config.yaml))
- PCB designed with [KiCad](https://www.kicad.org/) (v 9)
- Simple 3D-printable case for both 36 and 38-key layouts

![Tempest](https://raw.githubusercontent.com/thrly/tempest/master/images/tempest-half.jpg)

## Firmware

TEMPEST was designed to be used with ZMK. [You can find the ZMK-config repository and a keymap here.](https://github.com/thrly/tempest-zmk)

## Build Guide

[Details on the build and case can be found here.](/build-guide.md)
![TEMPEST pcb](https://raw.githubusercontent.com/thrly/tempest/master/images/tempest-pcb.png)

![Tempest](https://raw.githubusercontent.com/thrly/tempest/master/images/tempest-alt.jpg)
![Tempest](https://raw.githubusercontent.com/thrly/tempest/master/images/tempest-edge.jpg)
![Tempest](https://raw.githubusercontent.com/thrly/tempest/master/images/tempest-side.jpg)

## Influences

TEMPEST is inspired by and takes influence from:

- [Temper](https://github.com/raeedcho/temper) by raeedcho
- [Bad Temper](https://github.com/essFitt/Bad-Temper/tree/main) by essFitt
- [TOTEM](https://github.com/GEIGEIGEIST/TOTEM) by GEIST
- [FORAGER](https://github.com/carrefinho/forager) by carrefinho
- [Corne](https://github.com/foostan/crkbd) by foostan (and the [Typeractive](https://typeractive.xyz/) version)
- also [Chocofi](https://github.com/pashutk/chocofi), [Sweep](https://github.com/davidphilipbarr/Sweep), and others.

## Thanks

If you build Tempest, I'd _love_ to hear how you get on with it. Please say hello via [thrly.com](https://www.thrly.com) or [instagram](https://www.instagram.com/thrly.xy/).

tempest

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