2 layers133.4 × 110.2 mm
2 layers275.1 × 113 mm
Split keyboard
celcius-plus-273/split-keyboard- Size
- 275.1 × 113 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 128
- Nets
- 90
- Pads
- 552
- Tracks, vias
- 622, 213
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 30 Mar 2024
- Updated
- 17 Oct 2026
Overview
Split keyboard is an open-source printed circuit board by celcius-plus-273, from the celcius-plus-273/split-keyboard repository on GitHub. It is a 2-layer board of 275.1 × 113 mm with 128 parts on 90 nets, routed with 622 tracks and 213 vias.
It is built around the PCM12SMTR. Its parts include 46 switches, 42 diodes, 4 connectors and 2 ICs. It belongs with the keyboards and input boards and the nRF52 and nRF5x boards of this library.
Main components
1README
README.mdsplit-keyboard
Parts
128| Qty | Value | Footprint | References |
|---|---|---|---|
| 42 | D | kbd:D3_SMD_v2 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +26 |
| 7 | MountingHole | kbd:spacer_m2 | H1, H5, H9, H11, H13, H15, H17 |
| 7 | MountingHole_Pad | kbd:spacer_m2 | H3, H7, H10, H12, H14, H16, H18 |
| 4 | MountingHole | kbd:thread_m2 | H2, H4, H6, H8 |
| 2 | ' | kbd:CherryMX_Hotswap | SW19, SW24 |
| 2 | Battery | Connector_JST:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_Horizontal | J1, J3 |
| 2 | GND | TestPoint:TestPoint_Pad_D1.5mm | TP3, TP6 |
| 2 | LOGO | kbd:corne-logo-horizontal | G***, G*** |
| 2 | LOGO | kbd:corne-logo-silk | G***, G*** |
| 2 | PCM12SMTR | PCM_Slide_SW:SW_PCM12SMTR | SW43, SW45 |
| 2 | RGB | TestPoint:TestPoint_Pad_D1.5mm | TP1, TP4 |
| 2 | SPACE | kbd:CherryMX_Hotswap | SW38, SW42 |
| 2 | SW_Push | Button_Switch_SMD:Panasonic_EVQPUM_EVQPUD | SW44, SW46 |
| 2 | VCC | TestPoint:TestPoint_Pad_D1.5mm | TP2, TP5 |
| 2 | nice_nano | nice_nano:nice_nano | U1, U2 |
| 2 | nice_view | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J2, J4 |
| 1 | , | kbd:CherryMX_Hotswap | SW33 |
| 1 | . | kbd:CherryMX_Hotswap | SW34 |
| 1 | / | kbd:CherryMX_Hotswap | SW35 |
| 1 | ; | kbd:CherryMX_Hotswap | SW23 |
| 1 | A | kbd:CherryMX_Hotswap | SW14 |
| 1 | B | kbd:CherryMX_Hotswap | SW30 |
| 1 | BSPC | kbd:CherryMX_Hotswap | SW12 |
| 1 | BSPS | kbd:CherryMX_Hotswap | SW7 |
| 1 | C | kbd:CherryMX_Hotswap | SW28 |
| 1 | CTRL | kbd:CherryMX_Hotswap | SW13 |
| 1 | D | kbd:CherryMX_Hotswap | SW16 |
| 1 | E | kbd:CherryMX_Hotswap | SW4 |
| 1 | ENTER | kbd:CherryMX_Hotswap | SW39 |
| 1 | ESC | kbd:CherryMX_Hotswap | SW1 |
| 1 | F | kbd:CherryMX_Hotswap | SW17 |
| 1 | FN | kbd:CherryMX_Hotswap | SW37 |
| 1 | G | kbd:CherryMX_Hotswap | SW18 |
| 1 | I | kbd:CherryMX_Hotswap | SW9 |
| 1 | J | kbd:CherryMX_Hotswap | SW20 |
| 1 | K | kbd:CherryMX_Hotswap | SW21 |
| 1 | L | kbd:CherryMX_Hotswap | SW22 |
| 1 | LOWER | kbd:CherryMX_Hotswap | SW41 |
| 1 | M | kbd:CherryMX_Hotswap | SW32 |
| 1 | META | kbd:CherryMX_Hotswap | SW40 |
| 1 | O | kbd:CherryMX_Hotswap | SW10 |
| 1 | P | kbd:CherryMX_Hotswap | SW11 |
| 1 | Q | kbd:CherryMX_Hotswap | SW2 |
| 1 | R | kbd:CherryMX_Hotswap | SW5 |
| 1 | RSFT | kbd:CherryMX_Hotswap | SW31 |
| 1 | RSHIFT | kbd:CherryMX_Hotswap | SW36 |
| 1 | S | kbd:CherryMX_Hotswap | SW15 |
| 1 | SHIFT | kbd:CherryMX_Hotswap | SW25 |
| 1 | T | kbd:CherryMX_Hotswap | SW6 |
| 1 | U | kbd:CherryMX_Hotswap | SW8 |
| 1 | V | kbd:CherryMX_Hotswap | SW29 |
| 1 | W | kbd:CherryMX_Hotswap | SW3 |
| 1 | X | kbd:CherryMX_Hotswap | SW27 |
| 1 | Z | kbd:CherryMX_Hotswap | SW26 |
The 122 most common of 128 parts.
Questions
How big is the Split keyboard PCB?
It measures 275.1 × 113 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Split keyboard use?
128 parts, built around the PCM12SMTR. 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 Split keyboard KiCad files?
From the celcius-plus-273/split-keyboard repository on GitHub, at the commit this page was made from: the board is rev3/rev3.kicad_pcb and its schematic keeb-rev1-mirror/keeb-rev1-mirror.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Split keyboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask celcius-plus-273 before reusing the design.
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