Comparativa de leds direccionables: WS2812B vs "ECO" - YouTube
Amazon.com: BTF-LIGHTING 2 Pack WS2812B ECO RGB Alloy Wires 5050SMD Individual Addressable 8X32 256 Pixel LED Matrix Flexible FPCB Full Color Works with K-1000C,SP107E Controllers Image Video Text Display DC5V : Tools
SK6812 (WS2812B ECO) DC5V RGB 150LEDs 16.4Ft Digital Intelligent Individually Addressable LED Strip Lights [SK6812-5050RGB-30W10] - $19.99 :