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Corne Cherry V3 Hotswap Split Ergo 40% Kit (Black)


Build your very own hotswap split ergo 40% custom keyboard from scratch!

Easy to build, uses Pro Micro (or compatible) controllers.

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SKU: K-CORNE-CRY-V3-BLK Categories: , Tags: ,

Corne Cherry Hotswap Split Ergo 40% Keyboard Kit

Designed by Kosuke Adachi (a.k.a. foostan). The designer receives a portion of the proceeds from every sale.

This is version 3.0.1 released 3 November 2020 (latest at the time of writing).

Build your very own custom split keyboard from scratch!

  • Split 12×3 + 6 (40%-ish) ortho/ergo layout
  • Supports Cherry MX-compatible switches
  • Uses Kailh hotswap sockets
  • Supports in-switch RGB LEDs and RGB underglow (RGB LEDs not currently included)
  • Optional OLED screens
  • Fairly easy to build – based on Pro Micro controllers, but uses SMD diodes
  • Tinned lead-free finish, black solder mask

Build guide in the GitHub repository

Kit includes:

  • 2x main PCB
  • 2x bottom plate made from PCB material (FR4)
  • 2x FR4 switch plate
  • 44x SMD diode (42 + 2 spare)
  • 42x Kailh hotswap socket
  • 2x TRRS socket
  • 2x Reset switch
  • Brass standoffs and screws
  • Acrylic covers

Available optional add-ons:

  • Pro Micros
  • OLED screens
  • TRRS cable

Other parts required to finish build:

  • 2x Pro Micro or compatible controllers (Elite-C etc.)
  • 42x Cherry MX-compatible switches

Other optional parts not included in the kit:

  • 42x SK6812MINI-E in-switch RGB LEDs
  • 12x WS2812B underglow RGB LEDs
Weight 0.26 kg


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