Crkbd
About the Crkbd PCB
Crkbd is an open source PCB design by ctrlShiftBryan, published on GitHub under the MIT license. It is a 2-layer board measuring 133.8 × 92.2 mm, with 86 components from 14 distinct parts.
Other key parts include the ProMicro. By type, the board carries 26 inductors, 21 switches, 21 diodes, 9 jumpers, 5 connectors and 2 resistors.
It belongs with the keyboards designs in this gallery.
From the project
The Corne keyboard is a split keyboard with 3x6 column staggered keys and 3 thumb keys, based on Helix. Crkbd stands for 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.
- 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).
Main components on the Crkbd
Crkbd bill of materials (BOM)
86 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ProMicro | ProMicro_v2 | U1 |
| 1 | MJ-4PP-9 | MJ-4PP-9 | J1 |
| 1 | OLED | OLED | J2 |
| 1 | LED | StripLED_rev | J3 |
| 2 | i2c-pin | 1pin_conn | P1, P2 |
| 1 | — | JPC2 | JP1 |
| 8 | — | Jumper | JP2, JP3, JP4, JP5, JP6, JP7, JP8, JP9 |
| 1 | Reset | ResetSW | RSW1 |
| 20 | SW_PUSH | MX_ALPS_PG1350_noLed | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +12 |
| 1 | SW_PUSH | MX_ALPS_PG1350_noLed_1.75u | SW21 |
| 21 | D | D3_TH_SMD | D1, D2, D3, D4, D5, D6, D7, D8 +13 |
| 6 | SK6812MINI | SK6812MINI_underglow_rev | L1, L2, L3, L4, L5, L6 |
| 20 | SK6812MINI | SK6812MINI_rev | L7, L8, L9, L10, L11, L12, L13, L14 +12 |
| 2 | R | R | R1, R2 |
Crkbd design files
The KiCad project lives in the ctrlShiftBryan/crkbd-ogre repository on GitHub; these links point at the commit this page was built from.
Crkbd: common questions
How big is the Crkbd PCB?
The Crkbd measures 133.8 × 92.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Crkbd?
86 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Crkbd design files?
From the ctrlShiftBryan/crkbd-ogre repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Crkbd design in my own project?
Yes, under the terms of its MIT license, which ctrlShiftBryan chose for the repository.
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