2 layers
Encoder
byrantech/laptop
anyon_e, a highly integrated, high end, open source laptop. Attempt the impossible.
7 parts4.3kMIT
2 layers65.1 × 35.2 mm
Bubby2
mikeysklar/bubby2pocket chording keyboard
- Size
- 65.1 × 35.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 7
- Nets
- 35
- Pads
- 75
- Tracks, vias
- 40, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 30 Jun 2025
- Updated
- 25 Jul 2025
Overview
Bubby2 is an open-source printed circuit board by mikeysklar, from the mikeysklar/bubby2 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 65.1 × 35.2 mm with 7 parts on 35 nets, routed with 40 tracks and 0 vias.
It belongs with the RP2040 boards of this library.
README
README.mdbubby2
pocket chording keyboard
Parts
7| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | SW_SPST | Button_Switch_SMD:Panasonic_EVQPUL_EVQPUC | SW0, SW1, SW2, SW3, SW4 |
| 1 | RaspberryPi_Pico | rp2350-lcd-0.96-smd-short:RaspberryPi_Pico_SMD | A1 |
| 1 | SW_DPDT_x2 | sw_spdt_slide_mskt-12c03:Untitled | SW5 |
Questions
How big is the Bubby2 PCB?
It measures 65.1 × 35.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Bubby2 use?
7 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 Bubby2 KiCad files?
From the mikeysklar/bubby2 repository on GitHub, at the commit this page was made from: the board is pcb/bubby2.kicad_pcb and its schematic pcb/bubby2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bubby2 design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
Similar boards
- 2 layers40 × 20 mm
- 2 layers19.8 × 30 mm
- 2 layers35.6 × 58.2 mm
Display Carrier
AxxAxx/AxxSolder
STM32 Based soldering station for JBC cartridges, 9-24 VDC and USB-PD power
7 parts1.7kGPL-3.0 - 2 layers20.3 × 16.3 mm
- 2 layers26 × 44 mm
Compact carrier board
jamro/tiny-engineer
A small desktop robot that brings an AI coding assistant to life, physically acting out when it reads files, thinks, writes code, and finishes work.
7 parts1.1k - 2 layers26.4 × 53.8 mm
Atari pickup
hoglet67/RGBtoHDMI
Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMI
7 parts1kGPL-3.0 - 2 layers
