UnOrhtoDox Rear
TweetyDaBird·UnOrthoDox·UnOrthoDox Rear/UnOrthoDox Rear.kicad_pcb
About the UnOrhtoDox Rear PCB
UnOrhtoDox Rear is an open source PCB design by TweetyDaBird, published on GitHub. It is a 2-layer board measuring 88.2 × 100 mm, with 4 components from 1 distinct parts.
It belongs with the keyboards designs in this gallery.
From the project
A 'simple' 17-20 key Numpad
The name comes from the slightly unortodox placement of the controller straddling the hot-swap socket, with not all pins soldered, and the fact that it can be built as a 20-key ortholinear macro pad.
- Full Sandwich Case design - Low cost/Simple to build - Powerful and Flexible MCU - Compatible with QMK/Vial and ZMK firmware - Reversible for SouthPaw's - Dual Rotary Encoders - Per-Key RGB - Build instructions are printed on the backplate for an easy build.

UnOrhtoDox Rear bill of materials (BOM)
4 components, 1 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | Spacer_PCB | Spacer Plate hole | H1, H2, H3, H4 |
UnOrhtoDox Rear design files
The KiCad project lives in the TweetyDaBird/UnOrthoDox repository on GitHub; these links point at the commit this page was built from.
UnOrhtoDox Rear: common questions
How big is the UnOrhtoDox Rear PCB?
The UnOrhtoDox Rear measures 88.2 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the UnOrhtoDox Rear?
4 components, from 1 distinct parts. The full bill of materials is listed on this page.
Where can I download the UnOrhtoDox Rear design files?
From the TweetyDaBird/UnOrthoDox repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the UnOrhtoDox Rear design in my own project?
The repository has no license, so all rights stay with TweetyDaBird. Use it as a reference, and ask the author before reusing the design.
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