2 layers155.5 × 156.6 mm
2 layers155.5 × 156.6 mm
A split ergonomic wireless keyboard
- Size
- 155.5 × 156.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 52
- Nets
- 25
- Pads
- 468
- Tracks, vias
- 607, 34
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 19 Jul 2025
- Updated
- 19 Jul 2025
Overview
Left is an open-source printed circuit board by BobyWoby, from the BobyWoby/splitfire-keyboard repository on GitHub. It is a 2-layer board of 155.5 × 156.6 mm with 52 parts on 25 nets, routed with 607 tracks and 34 vias.
Its parts include 27 switches and 24 diodes. It belongs with the nRF52 and nRF5x boards of this library.
Parts
52| Qty | Value | Footprint | References |
|---|---|---|---|
| 27 | MX | S1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +11 | |
| 24 | ComboDiode | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +8 | |
| 1 | nice_nano | nice_nano | MCU1 |
Questions
How big is the Left PCB?
It measures 155.5 × 156.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Left use?
52 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 Left KiCad files?
From the BobyWoby/splitfire-keyboard repository on GitHub, at the commit this page was made from: the board is output_bk/pcbs/left.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Left design in my own project?
Its repository states no licence, so its author keeps all rights: ask BobyWoby before reusing the design.
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