How to connect four wires to advertising lights

The yellow ground wire, purple is connected to the neutral wire, and red is connected to the live wire.

According to your description, how does the LED light turn on? How do you need to wire it? You should check the output of the controller. Is the middle word always on? Ambient light cycle. You connect all the positive wires of the middle character to the positive terminal of the controller, and the negative terminal to the direct light terminal of the controller. Then you connect the positive terminals of the surrounding lights to the common positive terminal. The negative poles of the lights of each color are connected to the cycle output terminals of the controller. That's it.

The billboard on the door is that kind of advertising light. It is often connected to the computer. It has a data cable, that is, it has a data cable. Directly connected to that computer, then this computer is equivalent to the billboard that casts part of it on the billboard. It has a software, and the software needs to be downloaded to On the computer, and then socially connect to the billboard through the data cable, the software downloaded on that computer can set the fonts displayed on that billboard.