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Corne Cherry V3 Hotswap Split Ergo 40% Kit

(1 customer review)

31.4642.35

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

Easy to build, uses Pro Micro-compatible controllers.

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  • Layout *

  • Case Colour *

  • Add-ons *

    nice!nano V2 Wireless Controller (Sold Out)

    25.05

    Powerful wireless Pro Micro drop-in replacement Looking for a cheaper alternative? Check out the nRF Pro Micro wireless controller - a drop-in replacement that uses the same firmware (ZMK).

    AddRemove

    nice!nano V2 Wireless Controller

    (3 customer reviews)

    25.05

    Powerful wireless Pro Micro drop-in replacement

    Looking for a cheaper alternative? Check out the nRF Pro Micro wireless controller – a drop-in replacement that uses the same firmware (ZMK).

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    ×

    Frood RP2040 Pro Micro Controller

    9.9814.52

    Powerful and affordable RP2040-based Pro Micro drop-in replacement

    AddRemove

    Sale!

    Frood RP2040 Pro Micro Controller

    (2 customer reviews)

    9.9814.52

    Powerful and affordable RP2040-based Pro Micro drop-in replacement

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    ×

    Mill Max “315” Sockets / “3320” Pins for Pro Micro

    3.999.68

    Precision low-profile sockets / pins for Pro Micro (and compatible)

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    Mill Max “315” Sockets / “3320” Pins for Pro Micro

    3.999.68

    Precision low-profile sockets / pins for Pro Micro (and compatible)

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    ×

    OLED Display Module 0.91″ 128×32

    4.84

    0.91" OLED module with 128x32 pixel resolution

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    OLED Display Module 0.91″ 128×32

    4.84

    0.91″ OLED module with 128×32 pixel resolution

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    ×

    Low Profile OLED Socket (1 pc)

    1.09

    Low profile socket good for socketing OLED screens with standard (thick, square) header pins Includes a single 4-pin one row socket.

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    Low Profile OLED Socket (1 pc)

    1.09

    Low profile socket good for socketing OLED screens with standard (thick, square) header pins

    Includes a single 4-pin one row socket.

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    ×

    SK6812 (WS2812B) RGB LED Modules (10 pcs) – SK6812 MINI-E (3535)

    1.27

    Type: SK6812 MINI-E (3535)

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    SK6812 (WS2812B) RGB LED Modules (10 pcs) – SK6812 (5050)

    1.21

    5x5 mm Please note the housing is actually all-white

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    SK6812 (WS2812B) RGB LED Modules (10 pcs) – SK6812 (5050)

    1.21

    Type: SK6812 (5050)

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    Plain/Braided/Metal TRRS cable (Sold Out)

    3.876.05

    TRRS cable for use with split keyboards

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    Plain/Braided/Metal TRRS cable

    3.876.05

    TRRS cable for use with split keyboards

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    ×
  • FR4 Kit Add-ons *

    Standard Laser-cut Switch Plate Foam – Corne

    10.89

    Not for use with a Tenting/Tilting kit Select special version below.

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    Standard Laser-cut Switch Plate Foam – Corne

    10.89

    Kit: Corne

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  • Acrylic Case Add-ons *

    Standard Laser-cut Switch Plate Foam – Corne w/ Tenting (2 mm)

    10.89

    Only for Corne MX kit with a 3 mm switch plate (e.g. Tenting/Tilting kit)

    AddRemove

    Standard Laser-cut Switch Plate Foam – Corne w/ Tenting (2 mm)

    10.89

    Kit: Corne w/ Tenting (2 mm)

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    ×
  • Soldering

    We can solder the kit for you. It will add 3-5 days to the order processing time.
    Price is just for the service, no extra parts included.
    If you want the controllers to be removable, please include 2 packs of controller sockets + pins.

  • *

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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 3.1/3.2 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 (42 keys) 40% ortho/ergo layout
  • Supports Cherry MX-compatible switches
  • Uses Kailh/Gateron MX hotswap sockets
  • Supports in-switch RGB LEDs and RGB underglow (RGB LEDs available as an add-on)
  • Optional OLED screens
  • Includes a sliding SMD power switch and contacts for a battery on the PCB (no connector needed, battery to be soldered directly to the PCB for simplicity)
  • V3.2 PCBs support the 5-column (36-key) layout again (by snapping off the 6th column)
  • Fairly easy to build – based on Pro Micro controllers, but uses SMD diodes
  • Tinned lead-free finish, black solder mask

Note: kits with original (unmodified) V3.0.1 PCBs are available at a discount. These don’t include the power switch or battery contacts on the PCB and only support 6-column layout.

Build guide in the GitHub repository

Kit includes:

  • 2x main PCB
  • 44x SMD diode (42 + 2 spare)
  • 42x Gateron hotswap socket
  • 2x TRRS socket
  • 2x SMD power switch
  • 2x Reset switch
  • Brass standoffs and screws
  • Acrylic covers
  • FR4 version:
    • 2x bottom plate made from PCB material (FR4)
    • 2x FR4 switch plate
  • Acrylic standard version:
    • 2x acrylic switch plate
    • 2x acrylic bottom plate
  • Acrylic tenting version:
    • 2x acrylic tenting switch plate
    • 2x acrylic tenting bottom plate
    • 16x acrylic spacers

Available optional add-ons:

  • Pro Micros
  • OLED screens
  • TRRS cable

Other parts required to finish build:

  • 2x Pro Micro compatible controllers (Frood, nice!nano etc.)
  • 42x Cherry MX-compatible switches

Other optional parts not included in the kit:

Weight 0.26 kg
Plate Type

FR4 (PCB material), Acrylic Standard, Acrylic Tenting

Colour

Black, White, Black v3.0.1

Stock Status

Coming Soon

1 review for Corne Cherry V3 Hotswap Split Ergo 40% Kit

  1. Vincent De Borger (verified owner)

    Very nice kit with all the necessary components. Petr was very helpful trying to figure out what I exactly needed to order.

Only logged in customers who have purchased this product may leave a review.

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