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144 pixels ought to be enough for anybody


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BlinkenWall deutsch


BlinkenWall mit eventphone.de Logo

BlinkenWall is a pixelwall which comprises 23040 LEDs. The wall itself is a Lumino production from 1986, originally controlled by several Z80s. By degrees, more and more bits broke down, the power supply unit was faulty, the whole Z80-stuff too slow and the wall interface no longer useful. Thus, StefanSchuermans and SaschaLudwig integrated a new controller at a weekend in summer 2005 (24.06.2005 and 25.06.2005). This new controller is based on an 8BitAmEthernet module with an ATMega128 and is adapted to the wall interface by a few changes in hardware and some more in software. The old Z80 controller board is not in use anymore.


Technical Data:

  • 240 x 96 Pixel + 2 Pixel LEDs green
  • Real Power: 1740 Watt
  • Apparent Power: 2417 VA
  • Efficiency factor cos. phi: 0,72
  • Weight: ca. 485 lb or 200 Kg
  • Control: Ethernet 10base-T
  • Microcontroller: ATMega128
  • Network: Realtek RTL8019AS

History:
  • 23.06.2005 Hanging up Blinkenwall in Sascha's cellar with M10 Heavy duty stakes at the concrete ceiling (weight of the wall: 485 lb or 220Kg)

  • 24.06.2005 Reverse engeneering of the original control of the wall with Z80, modification of the hardware from 8BitAmEthernet to 16 bit and different stuff

  • 25.06.2005 Software development to control the wall, disassembling the old controller,integrating the new one with additional boards, testing in heaps


Pictures you may find at: http://photo.astrastudio.de/v/BlinkenWall

-- SaschaLudwig - 31 May 2006
-- JulianePilster - 29 Jul 2007 (translation)


EOF

Topic BlinkenWallEnglish . { Edit | Attach | Ref-By | Printable | Diffs | r1.3 | > | r1.2 | > | r1.1 | More }
Revision r1.3 - 30 Jul 2007 - 08:13 - JulianePilster
Parents: TWikiUsers > SaschaLudwig > BlinkenWall