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by vegethalia
Sun Dec 18, 2022 6:03 pm
Forum: General Discussion
Topic: RMT based NeoPixels (WS2812B) flickers when WiFi is used
Replies: 24
Views: 41307

Re: RMT based NeoPixels (WS2812B) flickers when WiFi is used

Hi, I just registered to thank you for your insights :)
I was suffering from the same "random flickering problem", and pining the led-drawing task to cpu 1 fixed the issue.

On cpu 0 I have the interrupt used to sample from a microphone and -I guess- the Wifi driver.

Thanks!
Vege.