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Methods to control LED Display Screen by Mobile phones

  Now mobile phones and ipads have more and more computer functions, then use mobile phones and ipad control LED display can of course, then they are how to control the LED display, what is the principle, the following let led display manufacturers to give you an explanation. In fact, the most important factor in the cell phone and ipad control LED display is to connect the devices, so does the phone and the ipad need a network cable to connect?

  The answer is no, just use WiFi to connect.more LED Display Communication Methods

  First, mobile phone and ipad control LED display of several methods

  1.1. WiFi Wireless Control

  Mobile End (mobile phone, IPAD) for the control side, the first implementation of the remote wireless control screen, all of its functions can be achieved by touch screen control, 0 seconds to switch not Carrington.

  Really discard the traditional keyboard, mouse, software instead of hardware.

  Working principle: Through the installation of wireless routers or other wireless equipment, with the user's original wireless network Bridge, build a wireless LAN, convenient to the network control card into the wireless network, wireless network control.

  Features: No wiring, easy installation and debugging, fast data transmission.

  Equipment Required: Network bridge, wireless router (on the display screen is best to choose the device to change the antenna, so that can effectively accept the wireless signal). Disadvantages: Communication distance mainly look at the gain ability of the bridge, no line by the communication distance is relatively short, the wall signal is weaker or no signal. Suitable for short distance wireless signal location.

  If your display area has a wireless signal coverage, it is simpler, only the LED display screen and LED display control card connected to the wireless router bridge to your wireless network, you can in the intranet any computer control screen.

  1.2, RF Wireless control

  Working principle: one end of the RF module received control computer, the other end received the control card serial port, the computer installed driver, the production of a virtual serial port, and through this serial port to send data.

  1.3, GPRS Wireless control

  Working principle: GPRS module to complete the dial-up Internet after the process of connecting to the data center server, customers through the client software to access the server, by the server for information forwarding.

  1.4, 4G full Netcom wireless control

  Working principle: And 3g/gprs basically the same.

  Features: 4G full-line (China Mobile, Unicom, Chinese Telecom), fast transmission rate, full realization of real-time control, send command can respond to the relevant control instantly.

  Second, mobile phone and ipad control of several functions of LED display

  2.1. Image Preview, visualization operation

  With the ipad control screen, any function of the image, at a glance, will play mobile phone, IPad, will control the LED screen screens!Before switching, it is possible to preview the content of the upcoming broadcast, the maximum extent to prevent misoperation, safe and reliable!

  2.2, brightness, Volume One key arbitrary adjustment

  According to the actual situation of the site, customers can at any time on the ipad a key remote control screen brightness (from the brightest to the black screen) and volume, simple and convenient.Most importantly, any operation will not affect the use of the current screen, do not exit the current playback!

  2.3. Support List Edit

  Before use or in use, customers can at any time on the playback program for file classification, list sorting, file additions and deletions and pre-monitoring.You can set up a single first loop or list loop when playing video.

  2.4, painting, four-screen, nine-screen one-click Switch

  Single-screen playback mode and painting (up to four to support the picture, the screen can be dragged and magnified small), four-screen, nine-screen, you can switch one key, 0 seconds delay not cotton; In multiple screen mode, double-click any screen to toggle Full-screen and window (audio Sync).

  2.5, support PPT, Word and other Office file playback

  The wireless control system supports the normal playback of Office files (including PPT animations), supports seamless switching between Office files, and seamless switching (that is, the ability to support larger video files).A file can be placed in multiple windows, independent of each other, thereby monitoring the next screen, security.

  2.6, can be synchronized editing subtitles, support synchronous, asynchronous video

  In the use of the process, the user can edit the letter synchronously, one key can be recorded recording, supporting the synchronization of video and a video, recorded files can be exported.

  2.7. Support Multi-screen synchronization

  This system can support one control multiple screens. By switching, you can control the playback content of each display separately, and can control multiple screens synchronously.

  2.8, other functions

  Power to continue the broadcast: even if the ipad shutdown, the screen will still play in accordance with the original mode of playing a black screen;

  External equipment: Support camera, DV, DVD player, notebook computer and other equipment signal direct connection, and can be synchronized pre-monitoring live screen, can be a key switch.

  Third, the mobile phone and the ipad combination scheme control LED display(with the main control of the secret box +led video processor +wifi) combination Scheme main control box can also be replaced with millet box, the following main control box for example:

  3.1 Main features implemented

  Through the mobile phone (Android, Apple) system to manipulate the LED display screen to play the contents of the phone, the content contains regular pictures, videos and so on.

  3.2 Required Functional Equipment:

  1 Android/Apple system mobile phone;

  2 The main control of the secret box;

  3 Wireless Router One (need to connect the Internet);

  4 LED display set;

  5 LED video processor support HDMI or related HDMI conversion line (Main control box is HDMI interface);

  3.3 Pre-control equipment needs to complete the connection and playback file preparation:

  1 first LED display and LED video processor normal connection and debugging completed;

  2 The main control box of HDMI output connected to the LED video processor and make the appropriate settings;

  3 Wireless router to open the wireless network, and the mobile phone, the main control secret box simultaneously connected to the same WiFi network;

  4 The mobile phone according to the system to install a corresponding version of the LED control system, and through the set connected to the main control secret box,

  And the LED stage screen needs to be played in advance back to the phone;

  3.4 Specific methods of operation:

  1 through the main control system to the mobile phone, sharing the computer video or photos by the way directly to the main control of the secret box, the main control box after receiving will directly play your own video, picture files;

  2 can also use the main control of the secret box to play a variety of internet video and so on

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