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Descrição
Summary Remix details:
I used the Lenbok Redox-rev0b fork of the case as a starting point, modified all the ports within OpenSCAD, made my changes in Fusion360 to fit the display and the trrs hole Original work https://github.com/Lenbok/scad-keyboard-cases/tree/master/redox-rev0b
My Remix(by now there are only the modification on openscad side, i will add dwg of the display) https://gitlab.com/neodox/neodox_case
Firmware --> https://gitlab.com/neodox/neodox/
just clone it into this qmk path keyboards\handwired
then follow the readme.md instruction in the root of my firmware repo.
| RP2040 PIN | FUNTIONALITY | COMMENTS |
|---|---|---|
| GP0 | USART TX | serial comunication between two boards( connected to rx of the other half) |
| GP1 | USART RX | serial comunication between two boards(connected to tx of the other half) |
| GP4 | ROW 1 | |
| GP5 | ROW 2 | |
| GP6 | ROW 3 | |
| GP7 | ROW 4 | |
| GP8 | ROW 5 | |
| GP9 | COL 1 | |
| GP10 | COL 2 | |
| GP11 | COL 3 | |
| GP12 | COL 4 | |
| GP13 | COL 5 | |
| GP14 | COL 6 | |
| GP15 | COL 7 | |
| GP16 | RES LCD | lcd reset |
| GP17 | CS LCD | spi chip select |
| GP18 | SCL LCD | spi clock |
| GP19 | SDA LCD | spi mosi |
| GP21 | DC LCD | data command lcd |
| GP23 | WS2812 | data pin for rgb leds( also called neopixel) |
| GP25 | LED RESET | noting to do ,usually every rp2040 controller board is wired to a led |
| GP28 | BLK LCD | backlight pwm for the lcd |
Notes: GP5, GP15 this intersection is used to define handness( which of the half is, right leave it not connected on the left side, connect a diode as a continuosly pushed switch, this is possible because we have some hollow intersection that we didn t use physically in the matrix 7x5) diode direction col to row(cathode)
The differences are:
- a trrs jack for connecting the 2 boards
- no reset switches, I use a qmk bootloader keycode
- the plate is 2mm higher respect the redox handwire from Mattia but it`s less prone to bend
- removed two keys (so 4 in total) to fit the TFT screen gc9a01 ( around there are two major designs of this display I use the one with the rectangular pcb,remove the strip if the display comes with it)
- M3 x 5,7 x 46 mm insert compatible, M3 10 mm screws
