2 layers126.7 × 100.2 mm
2 layers41.9 × 34.9 mm
Control
jamessa/Pragmatic73A modular split keyboard kit.
- Size
- 41.9 × 34.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 7
- Nets
- 22
- Pads
- 56
- Tracks, vias
- 138, 3
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 5 Nov 2021
- Updated
- 12 Dec 2025
Overview
Control is an open-source printed circuit board by jamessa, from the jamessa/Pragmatic repository on GitHub, published under the MIT licence. It is a 2-layer board of 41.9 × 34.9 mm with 7 parts on 22 nets, routed with 138 tracks and 3 vias.
Its parts include 2 connectors, 1 IC, 1 switch and 1 inductor. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
README
Pragmatic54/Choc/README.mdThe Pragmatic56 keyboard features
- 28 keys per hand with a fully symmetric double side design. One side is designed for the left hand and the other for the right.
- Duplex Matrix to save pins.
- 8-pin connector that utilizes a user-friendly 2x4 2.54mm PinHeader.
- Support Kailh hotswap sockets.
- A compact key arrangement with a 19mm x 18mm pitch and an 18mm vertical pitch that reduces fingers need to travel distance.
Current status: Validating.
Parts
7| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | JLC Legend | Keyboard_JSA:JLC Legend | L1 |
| 1 | L | Connector_IDC:IDC-Header_2x07_P2.54mm_Vertical | J1 |
| 1 | OSHW-Symbol_6.7x6mm_Copper | Symbol:OSHW-Symbol_6.7x6mm_Copper | Logo1 |
| 1 | ProMicro | Keyboard_JSA:ProMicro Type C Reversed | U1 |
| 1 | R | Connector_IDC:IDC-Header_2x07_P2.54mm_Vertical | J2 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1 |
The 6 most common of 7 parts.
Questions
How big is the Control PCB?
It measures 41.9 × 34.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Control use?
7 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 Control KiCad files?
From the jamessa/Pragmatic repository on GitHub, at the commit this page was made from: the board is Archive/Pragmatic60/Control with Type C/Control.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Control design in my own project?
Its repository publishes it under the MIT 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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