Laika
About the Laika PCB
Laika is an open source PCB design by kapee1, published on GitHub. It is a 2-layer board measuring 257.2 × 100.3 mm, with 106 components from 17 distinct parts.
Other key parts include the MCU_rp2040-zero. By type, the board carries 53 switches, 52 diodes and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
45%-ish DIY keyboard
Custom compact layout — 47 keys + half of number row Waveshare RP2040-Zero MCU MX hotswap Split spacebar support (2 × 3u or 1 x 6u) Two plate options: Standard and Extra (extra plate has enlarged stabilizers holes) Top mount with o-rings The two halves of the case and top weight are held together by magnets VIAL / QMK firmware
Send laika-pcb/Production files/Laika PCB gerbers.zip to your preferred PCB manufacturer (JLCPCB, PCBWay, etc.) with the following settings:
Main components on the Laika
Laika bill of materials (BOM)
106 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCU_rp2040-zero | MCU_rp2040-zero-tht | U1 |
| 36 | MX100 | MX100H | SW1, SW2, SW3, SW4, SW5, SW6, SW8, SW9 +28 |
| 1 | MX100 | MX150H | SW7 |
| 2 | MX100 | MX175H | SW20, SW31 |
| 1 | MX100 | MX200HR | SW32 |
| 2 | MX150 | MX100H | SW41, SW51 |
| 1 | MX175 | MX100H | SW42 |
| 1 | MX175 | MX150H | SW43 |
| 2 | MX125 | MX125H | SW44, SW52 |
| 1 | MX225R | MX100H | SW45 |
| 1 | MX125 | MX150H | SW46 |
| 1 | MX150 | MX300HR | SW47 |
| 1 | MX300R | MX100H | SW48 |
| 1 | MX600HRC | MX300HR | SW49 |
| 1 | MX300R | MX150H | SW50 |
| 1 | MXH125 | MX125H | SW53 |
| 52 | 1N4148W | D_SOD-123 | D1, D2, D3, D4, D5, D6, D7, D8 +44 |
Laika design files
The KiCad project lives in the kapee1/laika repository on GitHub; these links point at the commit this page was built from.
- Layoutlaika-pcb/laika-pcb.kicad_pcb
- Schematiclaika-pcb/laika-pcb.kicad_sch
Laika: common questions
How big is the Laika PCB?
The Laika measures 257.2 × 100.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Laika?
106 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Laika design files?
From the kapee1/laika repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Laika design in my own project?
The repository has no license, so all rights stay with kapee1. Use it as a reference, and ask the author before reusing the design.
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