As WS2813 LED come out , we have design LED strip to use those led chip ,those  led strip have double data wire , just like the following picture , and 

we have develop 30LEDS 60LEDS 144LEDS Per Meter , for WS2813 LED  Streifen, and it can be black and White pcb , and WS2813 led strip support Arduino , Raspberry Pi and

so on .