I built an LED scrolling sign in my basement using the same 8x32 panels as the OP, controlled by the more-than-fast-ish-enough ESP32.
I never got around to making a proper video about the construction and installation, but I do have this demo of one of the applications I wrote for it:
I never got around to making a proper video about the construction and installation, but I do have this demo of one of the applications I wrote for it:
https://www.youtube.com/watch?v=gSq8dYBHVBQ
I should do a full write-up so I can submit it to HN. Code's on GitHub anyway. https://github.com/masto/LED-Marquee