Jiran hotswap
About the Jiran hotswap PCB
Jiran hotswap is an open source PCB design by Ladniy, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 152.4 × 104.7 mm, with 72 components from 9 distinct parts.
Other key parts include the ProMicro. By type, the board carries 29 switches, 28 diodes, 4 jumpers, 2 resistors, 1 IC and 1 connector.
It belongs with the keyboards designs in this gallery.
From the project
Ergo Split Keyboard
This work is licensed under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License][cc-by-nc-sa].
[cc-by-nc-sa]: http://creativecommons.org/licenses/by-nc-sa/4.0/ [cc-by-nc-sa-image]: https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png [cc-by-nc-sa-shield]: https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey.svg
Jiran is a 6x4 matrix ergo keyboard with additional 3 thumb and 1 pinky keys.
Main components on the Jiran hotswap
Jiran hotswap bill of materials (BOM)
72 components, 9 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ProMicro | ProMicro_Dual | U1 |
| 1 | TRRS | TRSS_DUAL_THT | J1 |
| 2 | CoverHole | Hole_Cover_M2 | HC1, HC2 |
| 5 | CaseHole | Hole_Mount_M4 | HM1, HM2, HM3, HM4, HM5 |
| 4 | Jumper | Jumper_SMD | JP1, JP2, JP3, JP4 |
| 28 | SW_Push | Switch_Mx_Hotswap_1u | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +20 |
| 1 | SW_Push | Switch_Reset_THT | SW29 |
| 28 | 1N4148 | Diode_Hybrid_SOD-123 | D1, D2, D3, D4, D5, D6, D7, D8 +20 |
| 2 | 4.7K | Resistor_Hybrid_1205 | R29, R30 |
Jiran hotswap design files
The KiCad project lives in the Ladniy/jiran repository on GitHub; these links point at the commit this page was built from.
Jiran hotswap: common questions
How big is the Jiran hotswap PCB?
The Jiran hotswap measures 152.4 × 104.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Jiran hotswap?
72 components, from 9 distinct parts. The full bill of materials is listed on this page.
Where can I download the Jiran hotswap design files?
From the Ladniy/jiran repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Jiran hotswap design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
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