1: Universal serial port LED control card, as shown below: need to connect the computer through the serial port or USB port to change the display display
2: LED display U disk control card, this control card, do not need to connect the computer, directly with the U disk to modify the contents of the display, you need to do a good program to export to the U disk, and then insert the U disk to LED display Screen control card USB interface on it
3: LED display remote control card, through the infrared keyboard remote control to enter the program to be displayed. It is equipped with a keyboard remote control, mainly used in Europe and the United States, the input English is relatively simple. Domestic use, but the number is very small, because the use of remote control input Chinese is very troublesome. As shown below:
4: short-range LED display Wireless control card, also known as RF wireless control card, it works by RF radio frequency to modify the display program. Need to set up a RF transceiver module, the computer side to install a module, control card here to install a module, as shown below: 5: bus car display control card, mainly used in the bus display, it and the general The shape of the control card is the same, the main difference is that it is connected with the bus station or the controller, the information shown below:
6: key to flip the LED control card, the program is edited by computer, with U disk or serial port transmission to the LED control card, use the button to select the program to be displayed; as shown below:
7: wireless LED control card, also known as: GSM SMS control card, GPRS wireless control card, mainly through the SMS or mobile phone network to control the way the screen or modify the contents of the display.
8: network interface control card, modify the LED display and modify the program, not through the serial port, USB disk, but through the network interface: