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2 layers106.5 × 91.8 mmAbyss, the printed circuit board in 3D

A weird split 32 key keyboard

Size
106.5 × 91.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
38
Nets
31
Pads
329
Tracks, vias
683, 35
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
31 Jan 2024
Updated
14 Mar 2026

Overview

Abyss is an open-source printed circuit board by zoriya, from the zoriya/abyss repository on GitHub. It is a 2-layer board of 106.5 × 91.8 mm with 38 parts on 31 nets, routed with 683 tracks and 35 vias.

Its parts include 16 diodes and 16 switches. It belongs with the keyboards and input boards of this library.

README

README.md

Abyss

A 32 key split keyboard with a low pinky column.

Components

CountPart nameSize/Remark
2xSeeed Xiao nRF54L15 - mcu
2x1208YD - reset button6x6x7mm
2x401030 Li-Po Battery4x10x30mm
2xSM02B-SRSS-TB - battery connector
32xchoc switchi use sunsets
30x1u choc keycapsi use pom
2x1.5u choc keycapsi use pom
32xhotswap chock sockets
32xdiodes
16xmagnets20x8x1.5mm
4xm2 screws4/6/8mm
4xm2 standoff<5mm wide, 6mm height

Info

Case dimensions:

  • height: 10.5mm -> 1.6mm (pcb) + 3.1mm (hotswap socket) + 5.5mm (choc size on top of the pcb)
  • length: 115.38mm
  • width: 96.25mm

Transport case dimesions:

  • height: 30mm (2x2mm for enclosure, 2x10.5mm for keyboard, 5mm in middle for keycaps + gap)
  • length: 124.35mm
  • width: 105.25mm

Keymap

keymap

Parts

38
QtyValueFootprintReferences
16ComboDiodeD1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16
16PG1350S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16

The 32 most common of 38 parts.

Questions

How big is the Abyss PCB?

It measures 106.5 × 91.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Abyss use?

38 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 Abyss KiCad files?

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

Can I use the Abyss design in my own project?

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

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