demand analysis:
 

The safety of coal mine production has been a concern for people in recent years. Once an accident occurs, it will threaten people's life and property safety; how to effectively prevent accidents is a problem that must be solved. As the most popular large screen at present, the LED display can be used in the dispatching and monitoring center of coal mines, energy and other fields, with advanced monitoring equipment, which can effectively detect the underground coal mining situation. In the face of sudden problems, it is timely to find out Deal with it in time.

Scheme topology diagram: