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2 layers275.5 × 105.6 mmCorne ice, the printed circuit board in 3D

The Corne keyboard is a split keyboard with 3x6 column staggered keys and 3 thumb keys, based on Helix. Crkbd stands for Corne Keyboard.

Size
275.5 × 105.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
120
Nets
90
Pads
636
Tracks, vias
905, 92
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
16 Nov 2024
Updated
16 Nov 2024

Overview

Corne ice is an open-source printed circuit board by ctrlShiftBryan, from the ctrlShiftBryan/crkbd-ogre repository on GitHub, published under the MIT licence. It is a 2-layer board of 275.5 × 105.6 mm with 120 parts on 90 nets, routed with 905 tracks and 92 vias.

Its parts include 42 diodes, 42 switches, 4 connectors and 2 ICs. It belongs with the keyboards and input boards and the nRF52 and nRF5x boards of this library.

README

README.md

Corne keyboard

The Corne keyboard is a split keyboard with 3x6 column staggered keys and 3 thumb keys, based on Helix. Crkbd stands for Corne Keyboard.

Lineup

  • corne-classic (JP/EN): Corne for Cherry MX switches
  • corne-cherry (JP/EN) (tilting, JP/tilting, EN): Hotswappable Corne for Cherry MX switches by kailh PCB sockets.
  • corne-chocolate (JP/EN): Hotswappable Corne for Chocolate switches using Kailh PCB hot-swap sockets.
  • corne-light (JP/EN): Light-weight Corne (Easy build with a simple PCB).

Photos

cherry_01 cherry_02 cherry_03 cherry_04 chocolate_01 chocolate_02 classic_01 classic_02 light_01 light_02

Parts

120
QtyValueFootprintReferences
42Dkbd:D3_SMD_v2D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +26
40SW_PUSHogre-2024:CherryMX_HotswapSW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW22, SW23, SW24 +24
14Val**kbd:M2_HOLE_v2Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**
4LOGOkbd:corne-logo-horizontalG***, G***, G***, G***
2BATConnector_JST:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_HorizontalJ1, J3
2POWERkeeblib:switch_SSSS811101PSW1, PSW2
2SW_PUSHkbd:CherryMX_Hotswap_1.5uSW21, SW42
2SW_PUSHkeeblib:alps_sksnRST, RST
2nice!nanokbd:ProMicro_v3U1, U2
2nice!viewConnector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_VerticalJ2, J4

The 112 most common of 120 parts.

Questions

How big is the Corne ice PCB?

It measures 275.5 × 105.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Corne ice use?

120 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Corne ice KiCad files?

From the ctrlShiftBryan/crkbd-ogre repository on GitHub, at the commit this page was made from: the board is corne-ice/pcb/corne-ice.kicad_pcb and its schematic cho-corne-ice/pcb/cho-corne-ice.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Corne ice design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

More from ctrlShiftBryan/crkbd-ogre

2
  • 2 layers275.5 × 105.6 mmCho corne ice, the printed circuit board in 3D

    Cho corne ice

    ctrlShiftBryan/crkbd-ogre

    The Corne keyboard is a split keyboard with 3x6 column staggered keys and 3 thumb keys, based on Helix. Crkbd stands for Corne Keyboard.

    120 partsMIT
  • 2 layers114.8 × 91.4 mmCorne chocolate, the printed circuit board in 3D

    Corne chocolate

    ctrlShiftBryan/crkbd-ogre

    The Corne keyboard is a split keyboard with 3x6 column staggered keys and 3 thumb keys, based on Helix. Crkbd stands for Corne Keyboard.

    60 partsMIT

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