4 layers234 × 84 mm
Main panel
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
234 parts3kApache-2.0
2 layers77.6 × 54.6 mm
Mini Keybord PCB
dsouldatos/mini-hackpadA compact custom mini keyboard featuring four mechanical switches and a rotary encoder. I designed the PCB and 3D-modeled the custom enclosure from scratch, including mounting points and openings for the USB port. The project combines electronics, PCB design, and 3D modeling.
- Size
- 77.6 × 54.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 21
- Pads
- 69
- Tracks, vias
- 187, 13
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 7 Oct 2026
- Updated
- 21 Oct 2026
Overview
Mini Keybord PCB is an open-source printed circuit board by dsouldatos, from the dsouldatos/mini-hackpad repository on GitHub. It is a 2-layer board of 77.6 × 54.6 mm with 13 parts on 21 nets, routed with 187 tracks and 13 vias.
It is built around the SK6812MINI-E. Its parts include 7 diodes, 5 switches and 1 IC. It belongs with the keyboards and input boards of this library.
Main components
1README
README.mdMini Keyboard 🎛️
A compact custom-designed mini keyboard featuring 4 mechanical-style switches and a rotary encoder. The keyboard is designed to be small, simple, and customizable while keeping a clean modern look.
✨ Features
- 4 customizable switches
- 1 rotary encoder
- Custom-designed PCB
- Custom 3D-printed case
- Compact and portable design
- LED lighting
- Designed in CAD
- Easy to customize and modify
🛠️ BOM
- Custom PCB
- Custom 3D-printed enclosure
- 1 Seeeduino XIAO microcontroller
- 4 MX switches
- 1 rotary encoder
- 7 SK6812 MINI-E LEDs
- 1 Soldering Iron
- Printing Legion Grant
- Hackpad PCB Grant
📁 Project Files
-
PCB/– PCB design files -
CAD/– 3D models and enclosure -
Firmware/– Keyboard firmware -
README.md– Project information
🚀 Project Status
The PCB and enclosure have been designed
📜 License
This project is open-source. You are welcome to use, modify, and improve the design.
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | SK6812MINI-E | LED_SMD:LED_SK6812MINI-E_3.2x2.8mm_P1.5mm_ReverseMount | D3, D4, D5, D6, D7, D8, D9 |
| 4 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4 |
| 1 | MOUDLE-SEEEDUINO-XIAO | footprints:XIAO-Generic-Hybrid-14P-2.54-21X17.8MM | U1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW5 |
Questions
How big is the Mini Keybord PCB PCB?
It measures 77.6 × 54.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mini Keybord PCB use?
13 parts, built around the SK6812MINI-E. 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 Mini Keybord PCB KiCad files?
From the dsouldatos/mini-hackpad repository on GitHub, at the commit this page was made from: the board is PCB desin/Mini Keybord PCB.kicad_pcb and its schematic PCB desin/davids 1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mini Keybord PCB design in my own project?
Its repository states no licence, so its author keeps all rights: ask dsouldatos before reusing the design.
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