Traditional Culture Encyclopedia - Hotel accommodation - What is the principle of the electronic display screen in front of the hotel?
What is the principle of the electronic display screen in front of the hotel?
Professional speaking, if it only scrolls and displays subtitles, it is called an asynchronous display. The displayed subtitles are edited through the editing software on the computer and sent to the microcontroller of the display through RS232 or RS485, and the display is controlled by the microcontroller. .
If the screen can display any character pattern, etc., it is a synchronous display. It is controlled by a professional display card, which maps the resolution of the computer screen to the LED module to achieve a display range of 800X600 or 1024X768, which can be edited simultaneously.
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