If you need to drive a big screen for a project, it’s fair to say your first thought isn’t going to be to use the ATtiny85.
Video systems provider deployed 12-sided cylindrical rig using ROE Visual Vanish V8T screens with Brompton Tessera SX40 ...
Wait, there are already so many drivers for WS2811/WS2812 on crates.io? At the beginning I was not aware of that WS2811, WS2812, WS2812B, ..., WS2818 are basically the same. I just did not notice it.