Speedo
cozykeys·speedo·pcb/speedo.kicad_pcb
About the Speedo PCB
Speedo is an open source PCB design by cozykeys, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 307.6 × 118.8 mm, with 163 components from 8 distinct parts.
Other key parts include the Elite-C. By type, the board carries 66 switches, 66 diodes, 12 inductors, 12 capacitors and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
A 66-key ergonomic mechanical keyboard
This repository contains the design files for the CozyKeys Speedo keyboard. The Speedo is a 66-key ergonomic mechanical keyboard heavily inspired by the Atreus/Atreus62.
- Powered by an Elite-C microcontroller - Runs QMK firmware - Compact ergonomic layout - Supports underglow via 12 WS2812b RGB LEDs - Low profile (Switches mounted ~13mm from surface keyboard sits on) - Case/PCB design files free and open source

Main components on the Speedo
Speedo bill of materials (BOM)
163 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Elite-C | Elite-C | U1 |
| 2 | — | qmk-badge | G3, G4 |
| 2 | LOGO | speedo-attribution-small | G5, G6 |
| 2 | LOGO | dumplings-small | G9, G10 |
| 66 | MX | MX_1.00u | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +58 |
| 66 | D_Small | D_SOD-123F | D1, D2, D3, D4, D5, D6, D7, D8 +58 |
| 12 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | L1, L2, L3, L4, L5, L6, L7, L8 +4 |
| 12 | C_Small | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 +4 |
Speedo design files
The KiCad project lives in the cozykeys/speedo repository on GitHub; these links point at the commit this page was built from.
- Layoutpcb/speedo.kicad_pcb
Speedo: common questions
How big is the Speedo PCB?
The Speedo measures 307.6 × 118.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Speedo?
163 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the Speedo design files?
From the cozykeys/speedo repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Speedo design in my own project?
Yes, under the terms of its GPL-3.0 license, which cozykeys chose for the repository.
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