A pixel LED controller for building decoration is a device used to control pixel LED lighting installed on a building or architectural structure. The controller is responsible for driving the LED pixels and creating the desired lighting effects to enhance the visual appeal of the building.

Some of the key features of a pixel LED controller for building decoration include:

1. Pixel compatibility: The controller should be compatible with the type of pixel LEDs being used in the building lighting system, such as WS2812B, SK6812, or APA102.

2. Control modes: The controller should support multiple control modes, such as DMX512, Wi-Fi, or RF remote control, to allow for easy operation and integration into existing lighting systems.

3. Output capacity: The controller should have sufficient output capacity to drive the number of pixels required for the building lighting system.

4. Customization options: The controller should allow for customization of the lighting effects, such as color, brightness, patterns, and animations.

5. Ease of installation: The controller should be easy to install and program, with clear instructions and user-friendly software.