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by detaro 1616 days ago
WLED: Open-Source, software only you can flash on various boards. Doesn't have the scripting/live-coding part that Pixelblaze has (i.e. you need to write your own effects in c++ and compile them in). Doesn't support 2D/3D mappings natively. Has a few more APIs.

Pixelblaze is really nice and in many ways the more advanced option, but for most things I go for a <$5 board with WLED or FastLED over $35 (+shipping +tax) for a PixelBlaze.