BlackPill prototype build testing:

I received the five prototype boards today and set about building a test board (blackpill version), here are the changes required.

1. Minor edit of code (I had two keys reversed), fixed for the next phase (discrete board build)...
2. As I used an ISO layout, I had to change one QMK key code (replace KC_TILDE with KC_NUHS)...

Assembly notes and comments:

The diodes and hot-swappable sockets were pretty easy so no issues with these, as for the RGB leds, I didn't bother, perhaps another time but will change these out for an easier to solder version (update: I used the right footprint from web but pins are wrong, they are for another RGB device... so, no leds).

The keyboard functionality works perfectly, next the code for the macro keys, RGB and rotary encoder...

The version with SK6812-E "the easier to solder RGB led's" is correct, that will be the next prototype using STM32F411RETx (64 version) as I need a few more pins.

I have two excellent AKKO keyboards, if I can achieve similar results to these I will consider it a success ;)