- WS2811: This is a high-precision control circuit, it is widely used in controlling the RGB LED lights and it supports one-wire communication protocol.
- UCS2903/UCS2904: These are integrated circuits(ICs) designed to control RGB LED lights, they support I2C communication protocol and they are widely used in controlling the RGB LED lights.
- APA102: This IC is designed for controlling RGB LED lights, it supports SPI communication protocol and it is widely used in controlling RGB LED lights.
- DMX512: This is a standard for digital communication protocols that are commonly used to control stage lighting and effects.
- LPD8806: This is a IC which is designed to control RGB LED lights and it supports SPI communication protocol.
These are just a few examples of chips that are designed specifically for controlling RGB LED lights. There are many other chips available, and the specific chip used in a product will depend on the manufacturer’s choice and the requirements of the application.
On the picture, you can see the Gouly 2 processor, which is capable of controlling WS2811, UCS2903, and UCS2904 chips.
| Specification | UCS2904B (Protocol 1) | WS2801 (Protocol 3) | TM1814 (Protocol 4) |
|---|---|---|---|
| Clock Type | Data-Only | Clocked | Data-Only |
| Color Resolution | 8 bits | 8 bits | 8 bits |
| Physical Package | SOP8 | SOP14 | SOP8 |
| RGB | See UCS2903 | Yes | Yes |
| RGBW | Yes | See WS2814 | See TM1814 |
| Output Pixel Voltage | 5 – 24V | 5V | 5 – 24V |
| PWM Rate | 1800Hz | 2500Hz | 400Hz |
| Suitable Camera | Up to 60fps | Up to 84fps | Unsuitable for cameras |
| Data Transfer Rate | 800kbps | Not specified | 400 or 800kbps |
| Redundant Data Line | No | No | No |
Would you like to discuss any specific differences or similarities among these protocols?