3dp fc660 v3 OLED hand wired mechanical keyboard
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Now with bongo cat
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Computers
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a hand wired keyboard. Please be familiar with the process of hand wiring before undertaking this project. Inspiration for this project comes from this hero.
Features
- 5° typing angle
- Low profile front height
- Supported layouts:
- Split backspace
- ISO enter
- Split left shift
- Split right shift
- Stepped caps lock
- JIS bottom row
- If I haven't included your preferred combination, please feel free to edit the source file and share
- Vial compatible
- Bongo cat
Parts
Aside from the printed pieces and tools, you will also need:
| QTY | Part | Comment |
|---|---|---|
| 1 | ATmega32U4 MCU | e.g. Arduino Pro Micro or Teensy 2.0. |
| 14 | M3 threaded insert (5 mm OD, 3 mm length) | |
| 14 | M3 bolt (8-10 mm length) | |
| 1 | 0.91 inch OLED module 128×32 | |
| ≈66 | MX keyswitch | Exact number depends on layout. |
| ≈66 | Diode | e.g. 1N4148. |
| 2-6 | Plate mount stabilisers | Exact number depends on layout. |
| ≈3 | Cable ties (3 mm width) | For securing the MCU to the case. |
| Wire | Solid wire recommended over stranded. |
Wiring guide
Do not wire the rows all the way across. The Arduino Pro Micro only has 20 pins therefore we must use a 10×8 matrix (10 rows, 8 cols) with the last two pins running the OLED display. See diagram below for wiring. The row and col are labled on the top left legend.
| Matrix | Pin | MCU | Pin | Matrix |
|---|---|---|---|---|
| Row 9 | D3 |  | RAW | |
| Row 8 | D2 | GND | ||
| GND | RST | |||
| OLED GND | GND | VCC | OLED VCC | |
| OLED SDA | D1 | F4 | Col 0 | |
| OLED SCK | D0 | F5 | Col 1 | |
| Row 7 | D4 | F6 | Col 2 | |
| Row 6 | C6 | F7 | Col 3 | |
| Row 5 | D7 | B1 | Col 4 | |
| Row 4 | E6 | B3 | Col 5 | |
| Row 3 | B4 | B2 | Col 6 | |
| Row 2 | B5 | B6 | Col 7 | |
| Row 1 | B0 | D5 | Row 0 |
Firmware
Default firmware with Vial support is included in the ‘Other files’ section. Flashing is easy with QMK Toolbox.
Source code:
- QMK https://github.com/qmk/qmk_firmware/tree/master/keyboards/handwired/3dp660_oled
- Vial keymap https://github.com/xia0/vial-qmk/tree/3dp660_oled/keyboards/handwired/3dp660_oled/
Cardboard design
See my faux cardboard version of this keyboard.
