Subdivision category of led control card

LED control card is a big category, which includes many subcategories according to different application or functional requirements:

1: Universal serial LED control card, as shown below: You need to connect the display screen through the serial port or USB port of the computer to modify the displayed program.

2. USB control card for 2.LED display screen. This kind of control card can directly modify the contents of the display screen by using a USB flash drive without connecting a computer. You need to export the completed program to a USB flash drive, and then plug the USB flash drive into the USB interface of the LED display and control card.

3.LED display remote control card, and remotely input the program to be displayed through infrared keyboard. Equipped with keyboard remote control, mainly used in Europe and America, it is relatively simple to input English. It is also used in China, but the quantity is very small, because it is very troublesome to input Chinese with remote control. As shown in the figure below:

4. Short-distance LED display wireless control card, also known as RF wireless control card, works by modifying the program of the display screen through RF. A set of RF transceiver modules is needed, one module is installed on the computer side and the other module is installed on the control card side, as shown in the following figure: 5. Bus on-board display control card is mainly used for bus display. Its appearance is the same as that of general control card, but the main difference is that it is connected with bus stop announcer or central controller, and the displayed information is as follows:

6. Press the key to turn the page to the LED control card. The program is edited by the computer and transmitted to the LED control card through the USB flash drive or serial port. Press the key to select the program to be displayed; As shown in the figure below:

7. Wireless LED control card, also known as GSM SMS control card and GPRS wireless control card, mainly controls the display screen or modifies the content of the display screen through SMS or mobile phone network.

8. Network interface control card, which modifies LED display screen and program, not through serial port and USB flash drive, but through network interface;

9. LED control card with special customization function. Because the application of LED display screen is too extensive and expanding, there are more and more sub-categories of LED control cards!