WS2811 Datasheet (WorldSemi) — PDF Download
Download the official WS2811 datasheet (WORLDSEMI, 7 pages): 800 kHz single-wire protocol, timing diagrams, voltage specs and application circuits for pixel LED strips.
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WS2812B Datasheet (WorldSemi) — PDF Download
Download the WS2812B datasheet (WORLDSEMI): integrated-driver 5050 RGB LED specs, 800 kHz timing, GRB colour order and cascade wiring for pixel matrices.
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