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2 layers138.1 × 88.1 mmOrpheus split, the printed circuit board in 3D

A custom corne keyboard, powered by an orpheus pico microcontroller

Size
138.1 × 88.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
46
Nets
55
Pads
279
Tracks, vias
308, 0
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
13 Jul 2026
Updated
14 Jul 2026

Overview

Orpheus split is an open-source printed circuit board by fedi41, from the fedi41/orpheus-split repository on GitHub. It is a 2-layer board of 138.1 × 88.1 mm with 46 parts on 55 nets, routed with 308 tracks and 0 vias.

Its parts include 21 diodes, 21 switches and 1 connector. It belongs with the keyboards and input boards and the RP2040 boards of this library.

README

README.md

Orpheus split

Orpheus split is a corne keybaord, powered by hackclubs microcontoller - orpheus pico.

There is not much to say about it yet, I am still working on it.

current progress:

Screenshot 2026-07-14 130720

Parts

46
QtyValueFootprintReferences
211N4148Diode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D3, D4, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21 +5
21SW_PushPCM_Switch_Keyboard_Hotswap_Kailh:SW_Hotswap_Kailh_Choc_V1SW1, SW2, SW3, SW4, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21 +5
2LOGOLOGOG***, G***
1AudioJack4Connector_Audio:Jack_3.5mm_PJ320D_HorizontalJ1
1RaspberryPi_PicoModule:RaspberryPi_Pico_Common_UnspecifiedA1

Questions

How big is the Orpheus split PCB?

It measures 138.1 × 88.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Orpheus split use?

46 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 Orpheus split KiCad files?

From the fedi41/orpheus-split repository on GitHub, at the commit this page was made from: the board is pcbs/orpheus-split/orpheus-split.kicad_pcb and its schematic pcbs/orpheus-split/.history/orpheus-split.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Orpheus split design in my own project?

Its repository states no licence, so its author keeps all rights: ask fedi41 before reusing the design.

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