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2 layers111.3 × 90.5 mm34 split, the printed circuit board in 3D

Nothing fancy, just another Seeed Studio Xiao RP2040 based 36key split keyboard with features like Japanese Matrix, trackball (pmw3360 based sensor), rotary encoder, and etc.

Size
111.3 × 90.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
43
Nets
31
Pads
353
Tracks, vias
311, 92
Pours
248
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
22 Jun 2023
Updated
25 Apr 2026

Overview

34 split is an open-source printed circuit board by wj-zhe, from the wj-zhe/awkb repository on GitHub. It is a 2-layer board of 111.3 × 90.5 mm with 43 parts on 31 nets, routed with 311 tracks and 92 vias.

Its parts include 17 diodes, 17 switches, 1 IC and 1 connector. It belongs with the keyboards and input boards and the SAM D and SAM boards of this library.

README

README.md

AWKB - A Weird Keyboard

Nothing fancy, just another Seeed Studio Xiao RP2040 based 36key split keyboard with features like Japanese Matrix, trackball (pmw3360 based sensor), rotary encoder, and etc.

hardware: https://github.com/wj-zhe/awkb/tree/main/hardware/rev2
firmware: https://github.com/wj-zhe/awkb/tree/main/firmware/rev2

optical sensor: https://github.com/wj-zhe/optical-sensor

img img img

Parts

43
QtyValueFootprintReferences
17Djw_custom_footprint:Diode_SOD123_wo_THTD1, D2, D3, D4, D5, D6, D7, D8, D10, D11, D12, D13, D14, D15, D16, D17 +1
6HOLEMountingHole:MountingHole_3.2mm_M3TH1, TH2, TH3, TH4, TH5, TH6
14PINjw_custom_footprint:TRRS-PJ-DPB2_modJ1
1LOGOjw_custom_image:square_1G***
1SW1jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW1
1SW10jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW10
1SW11jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW11
1SW12jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW12
1SW13jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW13
1SW14jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW14
1SW15jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW15
1SW16jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW16
1SW17jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW17
1SW2jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW2
1SW3jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW3
1SW4jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW4
1SW5jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW5
1SW6jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW6
1SW7jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW7
1SW8jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW8
1SW9jw_custom_footprint:Kailh_Choc_PG1350_Hotswap_reversibleSW9
1SeeeduinoXIAOjw_custom_footprint:Xiao THT jumper pad_flippedU1

Questions

How big is the 34 split PCB?

It measures 111.3 × 90.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the 34 split use?

43 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 34 split KiCad files?

From the wj-zhe/awkb repository on GitHub, at the commit this page was made from: the board is hardware/34/rev1/PCB/34_split.kicad_pcb and its schematic hardware/34/monosplit_rev1/pcb/34_monosplit.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the 34 split design in my own project?

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

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