LED display wireless control principle!

Now the main control method of the LED display is basically the wireless control method. There are five kinds of wireless control methods for LED display screens. The following Shenzhen color stars tell the principles of these five wireless control methods!

First, RF wireless control

Working principle: One end of the RF module is connected to the control computer, and the other end is connected to the serial port of the control card. After the driver is installed, the computer generates a virtual serial port and sends data through the serial port.

Second, WIFI wireless control

Working principle: By installing a wireless router or other wireless device, it bridges with the user's original wireless network, builds a wireless local area network, and conveniently integrates the network control card into the wireless network for wireless network control.

Third, GPRS wireless control

Working principle: After the GPRS module is powered on, the process of dial-up Internet access is completed, and the data center server is connected, and the client accesses the server through the client software, and the server forwards the information.

Fourth, 3G (WCDMA) wireless control

Working principle: The 3G module is also connected to the data center server through the wireless network. The customer directly logs on the global broadcast cloud platform to release the program, and the server directly sends it to the control card.

5, 4G full Netcom wireless control

Working principle: basically the same as 3G/GPRS.