The WS2811 is the classic external-driver pixel LED chip behind most 12 V addressable strips. This is the official WORLDSEMI datasheet: electrical specs, 800 kHz timing diagrams and reference application circuits.
Download WS2811 Datasheet (PDF, 323 KB)
At a glance
| Item | Value |
|---|---|
| Publisher | WORLDSEMI CO., LIMITED |
| Pages | 7 |
| Protocol | 800 kHz single-wire NZR, 24-bit RGB |
| LEDEdit profile | T-1000-WS2811 / WS2812, colour order RGB |
| Related tutorial | Wrong colours on WS2811 fix |
Source and copyright
© WORLDSEMI CO., LIMITED — freely distributable engineering datasheet, hosted verbatim. Canonical source: https://www.world-semi.com/downloads/datasheets/en/ws2811-2.5.pdf (also mirrored verbatim by Adafruit). Original copyright retained; contact us and the file will be removed on request.
Using WS2811 strips with a T-1000S or K-1000C? LEDEdit Pro 2026 exports tested .led files for this chip out of the box.