2 layers399 × 103 mm
2 layers301.6 × 116.9 mm
A collection of all of my keyboard projects
- Size
- 301.6 × 116.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 91
- Nets
- 70
- Pads
- 1,001
- Tracks, vias
- 610, 24
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 19 Jul 2019
- Updated
- 30 Apr 2021
Overview
Opus is an open-source printed circuit board by cfbender, from the cfbender/keyboards repository on GitHub, published under the MPL-2.0 licence. It is a 2-layer board of 301.6 × 116.9 mm with 91 parts on 70 nets, routed with 610 tracks and 24 vias.
Its parts include 42 diodes, 42 switches and 1 IC. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
README
README.mdThe Society of the Crossed Keys
In here you will find my growing list of mechanical keyboard design projects, some of which have been run as local or larger GBs with KeyHive.
Please let me know if you have any questions with ordering any PCBs (or let me know if you do it regardless!), or have any questions on how they are designed or function.
Please feel free to open any issues with any cases or PCBs that you have here, and I will do my best to address them!
Acrylic Case Info
All of my acrylic case files follow the below naming standard:
- All layers are numbered starting with 0, and are numbered up from the bottom
- All layers will be designated with
L<layer number> - All feet layers will be designated with
F<layer number> - All M3 cases use M3x20mm screws that tap directly into the bottom layer
- All M2 cases will use M3x15+3mm male-to-female brass barrel standoffs where the standoff taps directly into the bottom layer, and M2x6mm screws to screw into the female end of the standoff
- All feet have M4 holes, but I typically have been using M3x14mm screws with M3 nuts on the inside
Parts
91| Qty | Value | Footprint | References |
|---|---|---|---|
| 42 | 1N4148 | Keebio-Parts:Diode-dual | D000, D001, D002, D003, D004, D005, D006, D007, D008, D009, D010, D011, D100, D101, D102, D103 +26 |
| 42 | KEYSW | MX_Only:MXOnly-1U-Hotswap-Antishear | K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K100, K101, K102, K103 +26 |
| 6 | MountingHole_Pad | MountingHole:MountingHole_2.2mm_M2_Pad | MH0, MH1, MH2, MH3, MH4, MH5 |
| 1 | ProMicro | Keebio-Parts:Elite-C | U0 |
Questions
How big is the Opus PCB?
It measures 301.6 × 116.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Opus use?
91 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 Opus KiCad files?
From the cfbender/keyboards repository on GitHub, at the commit this page was made from: the board is opus/pcb/opus.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Opus design in my own project?
Its repository publishes it under the MPL-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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