Multi-monitor video wall

Build a multi-monitor video display wall.

Many technology companies go with such inspiring mottos from “Let’s make thinks better”, “Life’s good”, “A better life,a better world”, “Inspire the World, Create the Future.” and many more.
The idea behind all these is to provide simple solutions to our daily problems and needs. Many outstanding spots in major towns are now lit with gigantic advertising medias that are so difficult to ignore.
Information access has become to easy by the day.The introduction of VIDEO WALLS has taken infographics outdoors but the cost sometimes can be so prohibitive.

“A video wall is a special multi-monitor setup that consists of multiple computer monitors, video projectors, or television sets tiled together contiguously or overlapped in order to form one large screen. Typical display technologies include LCD panels, Direct View LED arrays, blended projection screens, Laser Phosphor Displays, and rear projection cubes.
Screens specifically designed for use in video walls usually have narrow bezels in order to minimize the gap between active display areas, and are built with long-term serviceability in mind.

Reasons for using a video wall instead of a single large screen can include the ability to customize tile layouts, greater screen area per unit cost, and greater pixel density per unit cost, due to the economics of manufacturing single screens which are unusual in shape, size, or resolution.” Wikipedia.

In the commercial world, there are many brands that are available e.g Matrox M9188 PCIe x16. The setup includes the screens / LED panels, video controllers, cooling system, powering system and many other parts. On a small scale though, you can build your own wall video depending on the use case.

Scenario 1
1 video wall to be controlled from 1 computer / laptop

Scenario 2
Several video walls connected together by a switch

Scenario 3
Several walls connected to ZERO clients which in turn are fed through a network from 1 source.

With all this information one can put together an affordable video wall. For scenario 1, you can use:
Radeon > Visiontek 7750 2GB GDDR5 6M = 6
NVIDIA > NVS 810 = 8
AMD > Powercolor HD5970 = 12

With these cards you can connect up to 8 displays and build a sizable wall display. You will then need to configure the screens in mosaic mode so that windows sees them as on display.
Other than that you can use plenty software available online which is capable of archiving this. See list below:

Spacedesk
Air Display (Avatron)
AirParrot 2 (Squirrels)
Twomon USB, TwomonAir XDisplay / Wired XDisplay
Ppolywall
Szanwell
http://xibo.org.uk/

Other easy solutions include http://new.monitorsanywhere.com/ and https://www.userful.com/videowall. These guys are good at what they do. You also have an option of controlling your wall using Raspberrypi and have a https://www.raspberrypi.org

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