Multiple Independent NeoPixel Rings

So I built this project to see the 12 LED Pixel working. I found this one with 16 here. And I saw this integrated bracelet , but I wanted to see how different rings, different sizes would work independent from eachother.
So instead of connecting Digital Output from one board into the Digital Input on the other board as the second picture suggests, my goal was to have one dedicated DI on each board. “


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