I haven't found anything on the wiki about this my question is:

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I haven’t found anything on the wiki about this my question is: is writing ws281 leds over spi and dma supported?
I am working on a wireless midi sync using midi clock on an esp8266 and my problem is that writing more than ~10 led makes it lose packages and start to fall behind.
I was thinking that if it would be possible to make the spi write the data from the dma it might solve my issue.

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I don’t think so. You’ll probably have to use the Makuna/NeoPixelBus library or use SPI-style LEDs. (e.g. APA102)