a shorcut keypad using YD-RP2040/Pi Pico.
original project by https://github.com/pjgpetecodes/pico-streamdeck
all parts are THT components, making easy to assemble.
| Part | Qty | note |
|---|---|---|
| PCB | 1 | generate with kicad |
| 3mm THT LED | 12 | |
| Cherry MX switches | 12 | compatible switches can be used |
| 1k Ohm THT Resistor | 12 | |
| YD-RP2040 | 1 | you can use Pi Pico instead |
| 20 pin Header pin | 2 | will come with YD-RP2040 |
| 3D Printed Case | 1 | |
| 3D printed keycaps | 12 | |
| 3D printed faceplate | 1 |
Notes:
- you can use Pi Pico instead, but you will need external WS2812B LED.
- print 3D models with 25% infill at least.
- connect YD-RP2040 to computer while pressing onboard BOOT button.
- download circuitpython for YD-RP2040 link
- install circuitpython to YD-RP2040 by copying uf2 file to newly appeared drive.
- install neopixel driver to 'CIRCUITPY' drive
- install hid library to 'CIRCUITPY' drive
- copy code.py to 'CIRCUITPY' drive and disconnect the board from computer.
- solder the R68 jumper on the YD-RP2040. this enables onboard RGB LED.
- solder key switches to PCB.
- solder LEDs to PCB.
- solder resistors to PCB.
- solder pin header to YD-RP2040. breadboard can be helpful.
- solder YD-RP2040 to PCB.
- trim the header pins.
- assemble all together
You can find some more info about the CircuitPython KeyMappings here;
https://circuitpython.readthedocs.io/projects/hid/en/latest/_modules/adafruit_hid/keycode.html