Yes, LED strip lights can be controlled by DMX (Digital Multiplex) if they are specifically designed to be DMX-compatible. DMX is a widely used protocol for controlling lighting fixtures and other devices digitally, allowing for precise and independent control of various parameters such as brightness, color, and movement.

LED strip lights that are DMX-controllable typically have a built-in DMX decoder or receiver that enables them to interpret the DMX signals sent by a DMX controller. These signals can then be used to adjust the brightness, color, and other properties of the LED strip lights.

There are several advantages to using DMX-controllable LED strip lights:

1. Precise Control: DMX allows for the precise control of each LED strip light or group of lights, enabling users to create complex and dynamic lighting effects tailored to their specific needs.

2. Scalability: DMX supports up to 512 channels per universe (a single data stream), allowing for the control of a large number of LED strip lights and other devices. Additional universes can be used for even larger installations.

3. Flexibility: DMX-controllable LED strip lights can be easily integrated into existing DMX lighting control systems, allowing for seamless integration with other lighting fixtures and devices.

4. Programmability: DMX controllers often allow for the programming of lighting sequences and scenes, enabling users to create and save customized lighting effects that can be recalled and executed as needed.

However, it's important to note that not all LED strip lights are DMX-controllable. If you are interested in using DMX to control LED strip lights, you will need to ensure that the lights you select are specifically designed to be DMX-compatible. Additionally, you will need to have a DMX controller and any necessary accessories (such as signal amplifiers or splitters) to complete the lighting control system.