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2 layers141 × 100.6 mmRight part, the printed circuit board in 3D

corne hybrid wireless keyboard based .As it consists of a left part keyboard connected to pc wired ,and right part keyboard powered by a rechargeable Battery which can operate up to week and connected to left part via…

Size
141 × 100.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
47
Nets
50
Pads
183
Tracks, vias
185, 4
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
14 Jul 2026
Updated
15 Sep 2026

Overview

Right part is an open-source printed circuit board by YoussefAymanJo, from the YoussefAymanJo/Splitly repository on GitHub. It is a 2-layer board of 141 × 100.6 mm with 47 parts on 50 nets, routed with 185 tracks and 4 vias.

Its parts include 22 switches, 21 diodes, 1 IC and 1 connector. It belongs with the lEDs and displays boards and the nRF52 and nRF5x boards of this library.

README

README.md

Splitly

Description

corne hybrid wireless keyboard based .As it consists of a left part keyboard connected to pc wired ,and right part keyboard powered by a rechargeable Battery which can operate up to week and connected to left part via bluetooth.And operated by nice Nano and CAT display. And a numpad with RGB colours, connected wired to pc and powered by pico rp2040 .

Why it was built

I built this,beacause i always need full split mechanical keyboard,but i need to customize it features by myself.So this keyboard it custosmized to my needings.Also,it has customized features based on usage.Splitly is not just regular keybaord but,desgined to be my companion.

How to use it / Build it

Firsly,printing all 3d models after that fabricate PCB.After that assemble mx switches,MCU and battery management of pcb.then assemble all this parts together.finally,upload firmware on nice nano and pico,the test all

Schematic

I made the schematic and keyboard matrix for the corne keyboard, then the numpad .

Left Part

Screenshot 2026-07-29 151332

Right Part

Screenshot 2026-07-29 151346

Numpad

Screenshot 2026-07-29 165054

PCB

I routed the pcb ,then i outlined the shape of 2 keboard parts and numpad .

Left Part

Screenshot 2026-07-29 140454

Right Part

Screenshot 2026-07-29 151357 ### Numpad Screenshot 2026-07-29 165110

CAD

I started sketching the plate for left & right part keyboard,the i the Enclosure , then the top cover.After that i worked on numpad plate, then enclosure and top cover,finally i redered them all.

Left Part

Screenshot 2026-07-29 144237 Screenshot 2026-07-29 144055 Screenshot 2026-07-29 175948

Right Part

Screenshot 2026-07-29 180152 Screenshot 2026-07-29 180138 Screenshot 2026-07-29 180126 Screenshot 2026-07-29 180047

Numpad

Screenshot 2026-07-29 214557 Screenshot 2026-07-29 214609 Screenshot 2026-07-29 214643 Screenshot 2026-07-29 214633

Firmware

I used kmk with CircuitPython as firmware,and made code for the left & right part which is keyboard and the numpad

Left Part

Screenshot 2026-07-29 154041 Screenshot 2026-07-29 154053 Screenshot 2026-07-29 154101 Screenshot 2026-07-29 154108

Right Part

Screenshot 2026-07-29 154227 Screenshot 2026-07-29 154236 Screenshot 2026-07-29 154240

Numpad

Screenshot 2026-07-29 184534

BOM

I made the BOM and needed materials ,in egypt then convert its price to USD dollar. Screenshot 2026-07-29 185849

Parts

47
QtyValueFootprintReferences
21~ScottoKeebs_Components:Diode_DO-35D1, D2, D3, D4, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21 +5
2MountingHoleMountingHole:MountingHole_3.2mm_M3H1, H2
1,ScottoKeebs_MX:MX_PCB_1.00uSW13
1.ScottoKeebs_MX:MX_PCB_1.00uSW15
1/ScottoKeebs_MX:MX_PCB_1.00uSW17
1;ScottoKeebs_MX:MX_PCB_1.00uSW11
1AltScottoKeebs_MX:MX_PCB_1.00uSW12
1Conn_01x02_PinConnector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_HorizontalJ1
1DelScottoKeebs_MX:MX_PCB_1.00uSW6
1FuncScottoKeebs_MX:MX_PCB_1.00uSW18
1HScottoKeebs_MX:MX_PCB_1.00uSW10
1IScottoKeebs_MX:MX_PCB_1.00uSW1
1JScottoKeebs_MX:MX_PCB_1.00uSW8
1KScottoKeebs_MX:MX_PCB_1.00uSW7
1LScottoKeebs_MX:MX_PCB_1.00uSW9
1MScottoKeebs_MX:MX_PCB_1.00uSW14
1NScottoKeebs_MX:MX_PCB_1.00uSW16
1Nice_Nano_V2ScottoKeebs_MCU:Nice_Nano_V2U1
1OScottoKeebs_MX:MX_PCB_1.00uSW3
1PScottoKeebs_MX:MX_PCB_1.00uSW5
1SW_SPDTButton_Switch_THT:SW_Slide_SPDT_Angled_CK_OS102011MA1QSW22
1SpaceScottoKeebs_MX:MX_PCB_1.00uSW21
1UScottoKeebs_MX:MX_PCB_1.00uSW2
1YScottoKeebs_MX:MX_PCB_1.00uSW4
1bkspScottoKeebs_MX:MX_PCB_1.50uSW20
1shiftScottoKeebs_MX:MX_PCB_1.00uSW19

Questions

How big is the Right part PCB?

It measures 141 × 100.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Right part use?

47 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 Right part KiCad files?

From the YoussefAymanJo/Splitly repository on GitHub, at the commit this page was made from: the board is right_part/right_part.kicad_pcb and its schematic pad/pad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Right part design in my own project?

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

More from YoussefAymanJo/Splitly

2
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