2 layers98.4 × 190.5 mm
2 layers271.5 × 85.6 mm
Splitly
mannireis/splitly1A wip clean split kb
- Size
- 271.5 × 85.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 128
- Nets
- 88
- Pads
- 618
- Tracks, vias
- 657, 124
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 18 May 2025
- Updated
- 6 Jun 2025
Overview
Splitly is an open-source printed circuit board by mannireis, from the mannireis/splitly repository on GitHub. It is a 2-layer board of 271.5 × 85.6 mm with 128 parts on 88 nets, routed with 657 tracks and 124 vias.
Its parts include 60 diodes, 60 switches and 2 ICs. It belongs with the nRF52 and nRF5x boards of this library.
README
README.mdsplitly
Splitly is a 60key wireless split keyboard that was made with support of https://hackclub.com/!
The Schematic:
The PCB:
The Case:
Bom:
| Item | Price | Source |
|---|---|---|
| PCB | $23.07 | JLCPCB |
| Diodes | $1.00 | AliExpress |
| XIAO nRF52840 | $36.83 | The Pi Hut |
| Kailh Choc Low Profile Switches | $40.69 | 42Keebs |
| Batteries | $8.16 | AliExpress |
| ELEGOO PLA Filament 1.75 1kg | $18.28 | Short URL |
| Total (approx.) | $150 | (includes shipping and misc. costs) |
In total this took me about 19 hours.
The hardest part about this was making the case and reasearh of all the parts.
My inspiration was mostly the bayleaf keyboard:
Parts
128| Qty | Value | Footprint | References |
|---|---|---|---|
| 60 | D | ScottoKeebs_Components:Diode_SOD-123 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +44 |
| 60 | SW_Push_45deg | ScottoKeebs_Hotswap:Hotswap_Choc_V1_1.00u | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +44 |
| 2 | XIAO-nRF52840-DIP | XIAO-:XIAO-nRF52840-DIP | U1, U2 |
The 122 most common of 128 parts.
Questions
How big is the Splitly PCB?
It measures 271.5 × 85.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Splitly use?
128 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 Splitly KiCad files?
From the mannireis/splitly repository on GitHub, at the commit this page was made from: the board is PCB/splitly.kicad_pcb and its schematic PCB/splitly.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Splitly design in my own project?
Its repository states no licence, so its author keeps all rights: ask mannireis before reusing the design.
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