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2 layers19 × 18 mmKeychron optical single pcb, the printed circuit board in 3D

Keychron optical single pcb

jonboh/keychron-single-pcb1

A single key pcb for keychron switches. amoeba-keychron

Size
19 × 18 mm
Copper layers
2
Thickness
1.6 mm
Parts
14
Nets
4
Pads
21
Tracks, vias
15, 4
Pours
10
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
4 Nov 2023
Updated
4 Nov 2023

Overview

Keychron optical single pcb is an open-source printed circuit board by jonboh, from the jonboh/keychron-single-pcb repository on GitHub, published under the MIT licence. It is a 2-layer board of 19 × 18 mm with 14 parts on 4 nets, routed with 15 tracks and 4 vias.

Its parts include 6 connectors and 1 switch.

README

README.md

These single key pcbs can be used to make a dactyl based on keychron switches.

The footprints of the pcb come from the keyboard design by girish. See his blog post for more details on how to design your keyboard.

I did some tests with these pcbs, but I didn't end up building the whole keyboard. If you want to experiment with these pcbs make sure to have a hot air gun to do the SMD soldering of the IR and PT.

front back

Parts

14
QtyValueFootprintReferences
6Conn_01x01_MaleGiri-Kailh-Choc-Library:TestPoint_THTPad_1.0x2.5mm_Drill0.5mmJ1, J2, J3, J4, J5, J6
6MountingHoleGiri-Kailh-Choc-Library:MountingHole_1.2mm_M1H1, H2, H3, H4, H5, H6
1OptSwMyFootprints:Keychron_Optical_Switch_1uS1
1R_IRResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderRL1

Questions

How big is the Keychron optical single pcb PCB?

It measures 19 × 18 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Keychron optical single pcb use?

14 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 Keychron optical single pcb KiCad files?

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

Can I use the Keychron optical single pcb design in my own project?

Its repository publishes it under the MIT 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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