2 layers60 × 30 mm
Controller
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
11 parts3kApache-2.0
2 layers16 × 9.3 mm
Change HHKB Pro2 USB from MINI-B to TPYE C
- Size
- 16 × 9.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 11
- Nets
- 9
- Pads
- 28
- Tracks, vias
- 51, 4
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 3 Jul 2023
- Updated
- 7 Jul 2023
Overview
USB is an open-source printed circuit board by felixfinal, from the felixfinal/HHKBUSB2TYPEC repository on GitHub, published under the MIT licence. It is a 2-layer board of 16 × 9.3 mm with 11 parts on 9 nets, routed with 51 tracks and 4 vias.
Its parts include 2 resistors and 1 connector.
README
README.mdHHKBUSB2TYPEC
Change HHKB Pro2 USB from MINI-B to TPYE C
- I confirm that the USB Mini-B model used on the HHKB is HRS UX60-MB-5S8
- I would like to use Molex 2171790001 as a replacement for the original USB, while minimizing any damage to the existing structure
3. Using a PCB thickness of 1.2mm, there may be a 0.2mm gap that needs to be adjusted using tape - sing a PCB thickness of 1.2mm is a bit thick. It is possible to use a PCB with a thickness of 1.0mm
- To save costs, we need to use PCB with a regular process and modify the half-hole boards with sandpaper
The current project is in testing phase, and I have already produced the PCB and purchased the materials.
Raw Materials
Adjust PCB
use sandpaper to adjust the PCB
Soldering
Assembly
Use sandpaper to enlarge the outer shell holes slightly and proceed with the assembly.
Parts
11| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | , , , , , , , | ||
| 2 | 5K1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 1 | 2171790001 | footprints:2171790001_MOL | J1 |
Questions
How big is the USB PCB?
It measures 16 × 9.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the USB use?
11 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 USB KiCad files?
From the felixfinal/HHKBUSB2TYPEC repository on GitHub, at the commit this page was made from: the board is USB/USB.kicad_pcb and its schematic USB/USB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the USB 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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