Keyswitch tester
CandyGumdrop·keyswitch-tester
About the Keyswitch tester PCB
Keyswitch tester is an open source PCB design by CandyGumdrop, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 111.8 × 27.9 mm, with 14 components from 5 distinct parts.
By type, the board carries 4 switches, 4 diodes, 4 resistors and 2 connectors.
It belongs with the keyboards designs in this gallery.
From the project
Cherry-compatible keyswitch tester PCB
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.

Keyswitch tester bill of materials (BOM)
14 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | USB_B_Micro | USB_Micro-B_Wuerth_629105150521 | J2 |
| 4 | SW_Push | Kailh_socket | SW1, SW2, SW3, SW4 |
| 4 | LED | LED_D5.0mm | D1, D2, D3, D4 |
| 4 | 330 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4 |
Keyswitch tester design files
The KiCad project lives in the CandyGumdrop/keyswitch-tester repository on GitHub; these links point at the commit this page was built from.
Keyswitch tester: common questions
How big is the Keyswitch tester PCB?
The Keyswitch tester measures 111.8 × 27.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Keyswitch tester?
14 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the Keyswitch tester design files?
From the CandyGumdrop/keyswitch-tester repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Keyswitch tester design in my own project?
Yes, under the terms of its CC0-1.0 license, which CandyGumdrop chose for the repository.
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