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Corne Chocolate Low-profile Hotswap Split Ergo 40% Kit


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

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

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SKU: K-CORNE-CHOC-BLK Categories: , Tags: , , ,

Corne Chocolate Low-profile 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 kit was modified by 42. Keebs to include a power switch and battery connector for native  wireless operation.

Build your very own custom split keyboard from scratch!

  • Split 12×3 + 6 (40%-ish) ortho/ergo layout with an OLKB MX spacing (19.00×19.00 mm)
  • Supports Kailh Choc V1 switches only
  • Uses Kailh Choc hotswap sockets
  • Supports in-switch RGB LEDs and RGB underglow
  • Optional OLED screens
  • Includes a power switch and battery pads on the PCB
  • 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 2 mm acrylic switch plate (clear or smoky grey)
  • 2x 2 mm acrylic bottom plate (clear or smoky grey)
  • 44x SMD diodes (42 + 2 spare)
  • 42x Kailh Choc V1 hotswap socket
  • 2x TRRS socket
  • 2x SMD power switch
  • 2x Reset switch
  • Brass standoffs and screws
  • Acrylic covers

Available optional add-ons:

  • 2x controllers (nice!nano, Frood etc.)
  • OLED screens
  • Kailh Choc switches
  • 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:

Weight 0.26 kg
Stock Status

Coming Soon


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