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2 layers305 × 105.1 mmAtomKeyboard, the printed circuit board in 3D

Replacement Keyboard for Issue 4 Acorn Atom

Size
305 × 105.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
72
Nets
88
Pads
613
Tracks, vias
1,960, 94
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
24 Sep 2025
Updated
25 Sep 2025

Overview

AtomKeyboard is an open-source printed circuit board by kgl2001, from the kgl2001/AtomKeyboard repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 305 × 105.1 mm with 72 parts on 88 nets, routed with 1,960 tracks and 94 vias.

Its parts include 60 switches and 5 connectors.

Parts

72
QtyValueFootprintReferences
59SW_SPSTAtom_Keyboard:SW_Kailh_RD_GR_Atom_LP_1.00u_PCB_V2SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW21, SW22, SW23, SW24, SW25, SW26, SW27, SW28, SW29 +43
6MountingHoleMountingHole:MountingHole_2.7mm_M2.5_DIN965H1, H2, H3, H4, H5, H6
5Conn_02x13_Odd_EvenConnector_IDC:IDC-Header_2x13_P2.54mm_VerticalJ1, J2, J3, J4, J5
1LOGOAtom_Keyboard:Acorn Atom LogoG***
1SW_SPSTAtom_Keyboard:SW_Kailh_RD_GR_LP_1.00u_PCB_V2SW10

Questions

How big is the AtomKeyboard PCB?

It measures 305 × 105.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the AtomKeyboard use?

72 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 AtomKeyboard KiCad files?

From the kgl2001/AtomKeyboard repository on GitHub, at the commit this page was made from: the board is KiCAD Files/Atom_Keyboard.kicad_pcb and its schematic KiCAD Files/Atom_Keyboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the AtomKeyboard design in my own project?

Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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