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2 layers111.8 × 27.9 mmKeyswitch tester, the printed circuit board in 3D

Cherry-compatible keyswitch tester PCB

Size
111.8 × 27.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
18
Nets
14
Pads
61
Tracks, vias
89, 64
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
14 May 2019
Updated
14 May 2019

Overview

Keyswitch tester is an open-source printed circuit board by CandyGumdrop, from the CandyGumdrop/keyswitch-tester repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 111.8 × 27.9 mm with 18 parts on 14 nets, routed with 89 tracks and 64 vias.

Its parts include 4 resistors, 4 diodes, 4 switches and 2 connectors. It belongs with the keyboards and input boards of this library.

README

README.md

Cherry-Compatible Keyswitch Tester

This is a simple keyswitch tester PCB for Cherry-compatible mechanical keyboard switches. It holds four keyswitches using Kailh's hotswap switch sockets and has an LED wired to each switch, providing a quick and simple way to test the actuation point of various switches. This board is powered either by a MicroUSB connector, or optionally instead via a 2 x 0.1" header connected to a 5 V power supply.

Most of this board can easily be assembled by hand, except for the MicroUSB connector which is a bit more tricky, so if soldering this by hand, you may prefer to use the header pins instead.

Schematic

PCB Drawing

Parts

18
QtyValueFootprintReferences
4330Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2, R3, R4
4LEDLED_THT:LED_D5.0mmD1, D2, D3, D4
4SW_PushKeyswitches_fancy:Kailh_socketSW1, SW2, SW3, SW4
1Conn_01x02_MaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ1
1USB_B_MicroConnector_USB:USB_Micro-B_Wuerth_629105150521J2

The 14 most common of 18 parts.

Questions

How big is the Keyswitch tester PCB?

It measures 111.8 × 27.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Keyswitch tester use?

18 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 Keyswitch tester KiCad files?

From the CandyGumdrop/keyswitch-tester repository on GitHub, at the commit this page was made from: the board is keyswitch_tester.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Keyswitch tester design in my own project?

Its repository publishes it under the CC0-1.0 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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