SK6812 RGBW Addressable Pixel for Electronic Fashion
У вашего броузера проблема в совместимости с HTML5
This week I explore creating a new electronic fashion component similar to a NeoPixel but using the SK6812 RGBW LED.
https://www.tindie.com/products/PartFusion/5-pack-of-sewrgb-v2-pixels/
https://partfusion.com/