South-Chonk
coarse·South-Chonk
About the South-Chonk PCB
South-Chonk is an open source PCB design by coarse, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 428.6 × 123.8 mm, with 220 components from 11 distinct parts.
Other key parts include the Elite-C. By type, the board carries 109 diodes, 1 IC and 1 switch.
It belongs with the keyboards designs in this gallery.
From the project
Full-sized Southpaw keyboard PCB
- full-sized southpaw layout - powered by an Elite-C controller - uses hotswap sockets
If you wish to run a groupbuy of this PCB, please send me an e-mail at mfmayol@up.edu.ph

Main components on the South-Chonk
South-Chonk bill of materials (BOM)
220 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Elite-C | Elite-C | U1 |
| 93 | MX-1U | MXOnly-1U-Hotswap | MX1, MX2, MX3, MX4, MX5, MX7, MX8, MX9 +85 |
| 3 | MX-1.5U | MXOnly-1.5U-Hotswap | MX6, MX47, MX60 |
| 1 | MX-2U | MXOnly-2U-Hotswap | MX39 |
| 1 | MX-1.75U | MXOnly-1.75U-Hotswap | MX65 |
| 2 | MX-2.25U | MXOnly-2.25U-Hotswap | MX77, MX83 |
| 1 | MX-2.75U | MXOnly-2.75U-Hotswap | MX94 |
| 7 | MX-1.25U | MXOnly-1.25U-Hotswap | MX102, MX103, MX104, MX106, MX107, MX108, MX109 |
| 1 | MX-6.25U | MXOnly-6.25U-Hotswap-ReversedStabilizers | MX105 |
| 1 | SW | SW_Tactile_SPST_Angled_MJTP1117 | SW-RST1 |
| 109 | D | Diode-Hybrid-Back | D1, D2, D3, D4, D5, D6, D7, D8 +101 |
South-Chonk design files
The KiCad project lives in the coarse/South-Chonk repository on GitHub; these links point at the commit this page was built from.
- Layoutsouth-chonk.kicad_pcb
South-Chonk: common questions
How big is the South-Chonk PCB?
The South-Chonk measures 428.6 × 123.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the South-Chonk?
220 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the South-Chonk design files?
From the coarse/South-Chonk repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the South-Chonk design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which coarse chose for the repository.
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