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tool:video_wall

LED Video Wall

Yes, VHS has its own jumbotron, and its AWESOME!.

Quick facts

Status Operational February 2020
Training Not Needed
Hackable Software on the computer - Yes
Hardware - Probably not a good idea
Firmware on the FPGA's (sender and reciever cards) - Very not advised unless you know what you are doing
Usage Restrictions None
Owner VHS
If it Breaks Contact David - @dbynoe on slack and talk
Location In lounge
Value $$$$ - Fricken Priceless
Champion See Compendium of Champions
Talk Threads https://talk.vanhack.ca/t/led-video-wall-donated-by-a-local-non-profit/9703
https://talk.vanhack.ca/t/where-to-install-our-video-wall/9791
https://talk.vanhack.ca/t/led-panel-donation/9687

Main Hazards

  • Watch your retinas
  • Get a buddy to help you move it
  • Don't attempt to reconfigure the led receiver or sender settings without knowing what you are doing, we don't have configuration files for this thing, if you overwrite whats there you will brick the display.

Quick facts

  • 256×224 resolution
  • runs windows
  • acts like a giant external monitor by mirroring a portion of the video stream
  • its awesome.

Powering up the Video Wall

  • Plug in the cord on the left side of the screen
  • Boot the computer
  • Turn on the toggle switch beside the power cord to power up the main screen
  • If the screen is powered but doesnt display an image, click the shortcut on the desktop for turn screen on and press the turn screen on button (you might have to toggle it if it thinks its already on)
  • if the screen scaling looks off and the desktop image isn't lining up, go to display settings and set the screen to extend desktop, then back to duplicate desktop. Also check that the scaling is set to 100%

Playing a Game

  • Turn on one or two wireless controllers by pressing the start button
  • Fire up the NES or SNES emulator by clicking the link on the desktop
  • Load a ROM - popular SNES selections are Mario Kart (racing), Mortal Kombat (fighting), Super Mario World (platform)

Displaying Anything else on the screen

  • Simply drag whatever window you want to display to the magic square outlined in yellow on the desktop, that's it.

Disconnecting the Power

  • Turn the toggle switch off
  • shutdown the computer
  • unplug power

System Overview

The LED Wall consists of four main components connected in the following manner.

Computer → Sender Card → Receiver Card → LED Panel

Computer

  • Basic PC running windows. You also will need the XMPlayer Software to control the video wall. There is a magic portion of the screen marked out on the desktop that mirrors to the video wall. Drag whatever you want to display there.

Sender Card

  • DBSTAR - DBS-HVT11IN - Sourced from Aliexpress paid for by: 3bien, DBynoe, jon, Metal_Janet, mirong & packetbob
  • Connects to the computer via USB (for control and settings) and DVI for video signal.
  • Programmed to extract a potion of the video signal and send it to the receiver cards in each display panel

Reciever Card

  • DBSTAR DBS-HRV09 S
  • Came with the panels, preprogrammed with the correct configuration settings, we don't have the configuration file for these so don't overwrite it or you will brick the display.
  • This card takes the data coming in from the ethernet link and shifts it out to the shift registers in the display panel.

LED Panel

  • 112×128 pixel RGB matrix panels 10-12mm pitch.
  • contains 56 individual 16×16 modules - 7 modules wide and 8 high
  • Can be mounted sideways
  • has 3 - 80 amp 5v power supplies
  • draws between 1 and 8 amps of 120v ac at full white depending on brightness level.
  • LED Wall Features 4 of these.
tool/video_wall.txt · Last modified: 2020/03/07 01:14 by dbynoe