As I had some issues with this combo, I just wanted to share my solution. Head over here for my comment there and of course the code :slight_smile: I have googled intensively for a DMA solution for this and over at Adafruit there is work going on, but still a bit early days as far as I could see. …

[How-To] M0 Pro @48MHz with Ethernet Shield 2, bit-banging WS2812 strips.

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