4 layers234 × 84 mm
Main panel
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
234 parts3kApache-2.0
2 layers100 × 65 mm
Hackpad
Pixlox/CyrenePadA simple macropad, created as a Hack Club hackpad.
- Size
- 100 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 22
- Pads
- 91
- Tracks, vias
- 199, 17
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 4 Jan 2026
- Updated
- 11 Feb 2026
Overview
Hackpad is an open-source printed circuit board by Pixlox, from the Pixlox/CyrenePad repository on GitHub. It is a 2-layer board of 100 × 65 mm with 19 parts on 22 nets, routed with 199 tracks and 17 vias.
It is built around the SK6812MINI-E. Its parts include 8 diodes, 5 switches, 1 IC and 1 connector. It belongs with the keyboards and input boards and the RP2040 boards of this library.
Main components
1README
README.mdCyrenePad
A simple macropad, created as a Hack Club hackpad. Dedicated to Cyrene from Honkai: Star Rail... for some reason.
This will be a romantic story like none that has come before... you think so too, right?
CAD
It's pretty simple. I've added some Cyrene branding to it, though.
<img src=assets/cad.jpg alt="CAD model" width="650"/>
PCB
Here's the PCB! First time doing something like this too!
<img src=assets/pcb.jpg alt="PCB" width="300"/> <img src=assets/schematic.jpg alt="Schematic" width="300"/>
And, here's the 3D model!
<img src=assets/pcb2.jpg alt="PCB 3D Model" width="400"/> <img src=assets/pcb3.jpg alt="PCB 3D Model" width="400"/>
Firmware
I got (hopefully) the firmware to show this image.
<img src=assets/photo.png alt="Photo on Hackpad" width="200"/>
It's made in QMK. The encoder controls volume, and LED brightness. The keys are currently mapped to F13-16!
BOM
- 4x Cherry MX Switches
- 4x DSA Keycaps
- 4x SK6812 MINI-E LEDs
- 1x 0.91" 128x32 OLED Display
- 1x EC11 Rotary Encoder
- 1x XIAO RP2040
- 1x Case (2 printed parts)
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | SK6812MINI | PCM_marbastlib-mx:LED_MX_6028R | D1, D2, D3, D4, D5, D6, D7, D8 |
| 4 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4 |
| 1 | LOGO | CyrenePad-Images:CyreneSilk | CyreneBack |
| 1 | LOGO | CyrenePad-Images:CyrenePoint | CyreneRight |
| 1 | LOGO | CyrenePad-Images:CyrenePeeking | CyrenePeek |
| 1 | LOGO | CyrenePad-Images:CyreneChibi1 | CyreneLeft |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW5 |
| 1 | SSD1306 OLED | KiCad-SSD1306-0.91-OLED-4pin-128x32.pretty-master:SSD1306-0.91-OLED-4pin-128x32 | J1 |
| 1 | XIAO-RP2040-DIP | Seeed Studio XIAO Series Library:XIAO-RP2040-DIP | U1 |
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Questions
How big is the Hackpad PCB?
It measures 100 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hackpad use?
19 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 Hackpad KiCad files?
From the Pixlox/CyrenePad repository on GitHub, at the commit this page was made from: the board is pcb/Hackpad.kicad_pcb and its schematic pcb/Hackpad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hackpad design in my own project?
Its repository states no licence, so its author keeps all rights: ask Pixlox before reusing the design.