Unused Pins Breakout

[posicat]

Would it be possible to break out the remaining pins to headers on the board?

Specifically my idea is that it could be paired with a Raspberry Pi Zero W board, and along with normal keyboard mode, the keyboard could also operate as a portable computer, and allow for complex macroing beyond what QMK allows (event based keyboard actions, etc). Also of course adding ws2812b LEDs in place of the standard Num./Caps/Scroll lock LEDs, and possibly adding backlight to the whole keyboard.

[ashpil]

That's a very cool idea! The monitor is what always stops me from projects like this. :(

It wasn't designed for that in mind, but it's certainly possible. You're very welcome to submit a PR with the necessary modifications, it shouldn't be too hard from what I understand.

[posicat]

I've only used EasyEDA for PBC design, so I'll have to figure out how to get these schematics loaded into something to edit that. As for the QMK code, that shouldn't be as hard to put in a switch to route IO to the serial port and back, but I'll have to take time to figure that out as well. I'm also considering a PCB for the Model M that would take a Pi 4 Compute Module, which would give it a really powerefull processor, but I'm not at all familiar with PCB routing for high speed signals like the PCIe bus.