You guys seen this:
Yup - the timing is very very tightly tied to the ws2811’s timings, vs. what i’m using in the library which can be adjusted to various chipset timings, which is the main reason that I"m not using it. The technique is pretty interesting though, and I looked at a couple variations on that for maximizing the output of the bitbang’d spi data, but ultimately found it far to specialized to be useful for more general cases.