Comments (6)
Thank you for your suggestion.
However, I don't plan on adding an indicator because I want to keep the design as simple as possible.
I recommend you fork it and proceed with it as your own project.
from crkbd.
And if that is correct, are there no more spare pins on the RP2040 to use for indicator LEDs?
Ah, yes.
from crkbd.
Some extra info that would be useful:
- I suppose adding a mcp23018 to one or both sides (so it allows for left/right master)
- this is similar to how other keyboards do it
- add a cutout to the top plate so they are visible. I haven't looked closely but perhaps above the outermost thumb switch
from crkbd.
Thanks for your response. Okay I'll do that ๐
Could you explain a little how to set up kicad for modifying it? Do I need to use the ./pcbs/common
folder to import into kicad somewhere for extra footprints?
Otherwise, how can I start with trying to modify the corne cherry?
from crkbd.
Oh and another question @foostan; I've looked at the schematic already for the corne and it looks like each switch is wired directly to a RP2040 pin. I thought most keyboards use a matrix for the switches so that they didn't have to use so many IO pins from the MCU. Is my finding correct or am I misunderstanding the schematic?
And if that is correct, are there no more spare pins on the RP2040 to use for indicator LEDs?
from crkbd.
Okay doing a bit more research it does appear to use "direct wiring"
from crkbd.
Related Issues (20)
- Where are the rest of the board designs? HOT 5
- jlcpcb production files for v3 HOT 2
- Corne V4.1 PCB question. HOT 5
- microcontrollers HOT 2
- V4.0 pcb usability for 3x5 HOT 2
- V4.0ใฎใใกใผใ ใฆใจใข HOT 4
- Case - is there a beefier version available? HOT 2
- Killed the rPi by first time powering up with connected TRS cable? HOT 7
- v4.1 version left part issue HOT 4
- v4.1 choc corne - will the Cherry MX plate fit? HOT 1
- Extra key LEDs not working after removing snap-off rows of the PCBs HOT 2
- Corne v4: what components to buy? HOT 3
- Corne v4.1 3x5 Chocolate with OLEDs HOT 3
- Replace the TRRS connectors with USB C connectors HOT 1
- Misaligned components on JCLPCB for Corne v4.1 HOT 5
- Corne v4.1 3x5 Chocolate HOT 1
- TRRS and TRS are both available, which one should I choose ? ( & Soldering version estimate?) HOT 2
- Is it possible to make it wireless? HOT 2
- Is it possible at all to add a pointing device to v4? HOT 3
- How to map the extra 4 keys from rev4 using QMK ? HOT 4
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from crkbd.