2 layers
Hexagonal test alt
cnlohr/cnhardware
My dumping grounds for all my kicad projects and random hardware bringup.
290 parts114
2 layers359.6 × 133.4 mm
MyCompactKeyboard
mrdarip/myCompactKeyboardI wrote the firmware using kmk, it's pretty simple, but I'm proud of it!
- Size
- 359.6 × 133.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 290
- Nets
- 229
- Pads
- 1,168
- Tracks, vias
- 1,815, 143
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 9 Mar 2025
- Updated
- 11 Jun 2025
Overview
MyCompactKeyboard is an open-source printed circuit board by mrdarip, from the mrdarip/myCompactKeyboard repository on GitHub. It is a 2-layer board of 359.6 × 133.4 mm with 290 parts on 229 nets, routed with 1,815 tracks and 143 vias.
Its parts include 192 diodes, 96 switches, 1 IC and 1 connector. It belongs with the RP2040 boards of this library.
README
readme.mdmy compact keyboard
Description
the overall idea of this keyboard is to have a compact keyboard like the laptop ones, but without suck in layout for example, most laptop compact keyboards have an skewed numpad, but not for this keyboard because it has a grid layout!! well, that's the idea but for lots of use cases, like removing usually unused keys, like block num + added macro buttons
PCB
Here are pictures of my pcb:
| Schematic | PCB |
|---|---|
 |  |
Hope it looks good to you!
[x] I ran DRC and there are 0 errors
CAD
Designed cases for it but my definitive one is made using svg's and openSCAD.
Firmware
I wrote the firmware using kmk, it's pretty simple, but I'm proud of it!
BOM
| Quantity | Item |
|---|---|
| 1 | Raspberry Pi Pico |
| 91 | Switches |
| 3 | Hotwap sockets |
| 96 | 1N4148 diodes |
| 96 | LED_WS2812B |
| 1 | SSD1306 |
| 2 | Rotary encoder |
| 1 | keycaps set |
| 3 | stabilizers |
| 4 | heatset inserts and their screws |
IMPORTANT
- Dont send the 3d printed case
I'll print it myself so I'll get less customs fees. - Don't send the soldering iron
I have one, less electronics waste, less customs fees.
Parts
290| Qty | Value | Footprint | References |
|---|---|---|---|
| 96 | Diode | ScottoKeebs_Components:Diode_DO-35 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +80 |
| 96 | LED_WS2812B | leds:SK6812MINI-E | D100, D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112, D113, D114, D115 +80 |
| 90 | Keyswitch | ScottoKeebs_MX:MX_PCB_1.00u | S1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +74 |
| 2 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW1, SW2 |
| 1 | Keyswitch | ScottoKeebs_MX:MX_PCB_1.25u | S63 |
| 1 | Keyswitch | ScottoKeebs_Hotswap:Hotswap_MX_2.00u_90deg | S80 |
| 1 | Keyswitch | ScottoKeebs_Scotto:MX_Hotswap_3.00u | S54 |
| 1 | Keyswitch | ScottoKeebs_Scotto:MX_Hotswap_2.75u | S55 |
| 1 | OLED_128x64 | ScottoKeebs_Components:OLED_128x64 | J1 |
| 1 | Raspberry_Pi_Pico | ScottoKeebs_MCU:Raspberry_Pi_Pico | U1 |
Questions
How big is the MyCompactKeyboard PCB?
It measures 359.6 × 133.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MyCompactKeyboard use?
290 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 MyCompactKeyboard KiCad files?
From the mrdarip/myCompactKeyboard repository on GitHub, at the commit this page was made from: the board is pcb/myCompactKeyboard.kicad_pcb and its schematic pcb/myCompactKeyboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MyCompactKeyboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask mrdarip before reusing the design.
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