

Mrkeyboard left routed
Ergogen low-profile backlit split keyboard with hot-swappable choc switches
- Size
- 189.9 × 185.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 111
- Nets
- 93
- Pads
- 505
- Tracks, vias
- 1,033, 37
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 1 Jun 2025
- Updated
- 24 Oct 2024
Overview
Mrkeyboard left routed is an open-source printed circuit board by jmlvargas, from the jmlvargas/mrkeyboard repository on GitHub. It is a 2-layer board of 189.9 × 185.5 mm with 111 parts on 93 nets, routed with 1,033 tracks and 37 vias.
Its parts include 72 diodes and 36 switches. It belongs with the keyboards and input boards of this library.
README
README.mdMrKeyboard
Description
Ergogen 4.x generated low-profile backlit split keyboard with hot-swappable choc switches and per-key RGB LEDs.

Parts
111| Qty | Value | Footprint | References |
|---|---|---|---|
| 36 | ComboDiode | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +20 | |
| 36 | ceoloide:led_SK6812mini-e (underglowsingle-side) | LED1, LED2, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20, LED21, LED22, LED23 +20 | |
| 36 | PG1350 | S1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +20 | |
| 1 | ProMicro | MCU1 | |
| 1 | rotary_encoder | ROT1 | |
| 1 | TRRS-PJ-320A-dual | TRRS-PJ-320A-dual | TRRS1 |
Questions
How big is the Mrkeyboard left routed PCB?
It measures 189.9 × 185.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mrkeyboard left routed use?
111 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 Mrkeyboard left routed KiCad files?
From the jmlvargas/mrkeyboard repository on GitHub, at the commit this page was made from: the board is output/pcbs/mrkeyboard_left_routed.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mrkeyboard left routed design in my own project?
Its repository states no licence, so its author keeps all rights: ask jmlvargas before reusing the design.
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