WS2811
3-channel constant-current LED driver using separate data and clock lines. Often paired with external RGB LEDs; reliable and easy to drive with SPI.
- Channels – 3
- Protocol – Single-wire
- Operating frequency – Approximately 800 kHz
- Practical FPS – 300 LEDs Approximately 110 FPS
- Backup or redundancy data line – Not supported
Common use cases 12 V LED strips, pixel nodes, outdoor lighting
