do anyone know this magic type of intelligent SMD5050 led?

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happy-maurice

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do anyone know this type of intelligent SMD5050 led?

I saw an type of SMD5050 led, it seems really magical.
"Lots of leds can be serially connected and controlled by one pin of MCU, .
Each LED is individually controllable.
Strip can be cut at individual-led level.
.............
SMD5050 RGB LEDs - extremely bright
Control IC die located inside.Speak WS2811 protocol. One wire signal.
One control IC PER LED."
Does anybody knows this type led? Price is not low, so I am very careful.

thank you.

- - - Updated - - -

I am not posting the link. just search ws2811 on ebay.com
if it is really true, then it's an innovation.

thanks.
 
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