LED display wireless control principle
Time:2018-12-04
Views:125
At present, the main control mode of LED screen basically adopts wireless control mode.LED display wireless control mode has five, the following shenzhen derensel about the principles of these five wireless control mode!
1. RF wireless control
How it works: RF module is connected to the control computer at one end and the control card serial port at the other end. After the computer is installed with the driver, a virtual serial port is generated and data is sent through this serial port.
Ii. WIFI wireless control
How it works: by installing a wireless router or other wireless devices, the user can bridge the original wireless network, build a wireless LAN, and conveniently integrate the network control card into the wireless network for wireless network control.
GPRS wireless control
How it works: after the GPRS module is powered up, it completes the dial-up Internet connection process, connects to the data center server, and the client accesses the server through the client software, and the server forwards the information.
4. 3G(WCDMA) wireless control
How it works: 3G module is also connected to the data center server through wireless network, and the client directly logs on the global network cloud platform to release the program, which is directly sent to the control card by the server.
V. 4G all-network wireless control
How it works: basically the same as 3G/GPRS.
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