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vga-hacking_homemade_aug2017:material [2017/07/26 18:40]
admin created 		vga-hacking_homemade_aug2017:material [2017/07/27 01:58] (current)
admin [VGA Hacking]
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 ===== VGA Hacking ===== ===== VGA Hacking =====
 +A workshop for the [[http://wiki.sgmk-ssam.ch/wiki/HOME_MADE_2017| Home Made 2017 Camp]].\\
 +<html>
 +<iframe width="560" height="315" src="https://www.youtube.com/embed/RprQFZy3ZUs?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe>
 +</html>
  
 +----
 +==== VGA Outputboard ====
 +{{:vga-hacking_homemade_aug2017:vga-666_board_pi_190334.jpg?400|}}\\
 +[[http://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspberry_vga_board]]\\
 +----
 +==== Fake a VGA device ====
 +
 +**Color Signal ------ 75R ------ GND**\\
 +
 +[[http://www.geeks3d.com/20091230/vga-hack-how-to-make-a-vga-dummy-plug/]]\\
 +
 +----
 +==== Audio to VGA ====
 +[[http://crackedraytube.com/pdfs/hacking_a_vga_monitor.pdf]]\\
 +{{:vga-hacking_homemade_aug2017:vga2arcade.gif?400|}}\\
 +
 +----
 +==== VGA Signal Generator ====
 +[[http://paperpcb.dernulleffekt.de/doku.php?id=other_boards:vga_signal_generator|VGA Signal Generator]]\\
 +HSYNC and VSYNC signals are squared pulses of +5V, and the RGB signals take values in a continuous analog voltage range from +0V (absolutely dark) to +0.7V (maximum brightness).\\
 +
 +=== Connection ===
 +H-Sync -- 68 Ohm -- Pin 03\\
 +V-Sync -- 68 Ohm -- Pin 10\\
 +R -- 470 Ohm -- Pin 04\\
 +G -- 470 Ohm -- Pin 05\\
 +B -- 470 Ohm -- Pin 06\\
  
 ---- ----
 ==== Links ==== ==== Links ====
 +[[http://www.javiervalcarce.eu/html/vga-signal-format-timming-specs-en.html|VGA Video Signal Format]]\\
 +[[http://www.gammon.com.au/forum/?id=11608|Arduino Uno output to VGA monitor]]\\
 +[[https://github.com/smaffer/vgax|VGAX Library for Arduino UNO]]\\
 +[[http://tinyvga.com/vga-timing|VGA Signal Timing]]\\
 +[[https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2012/raf225_dah322/raf225_dah322/|Homemade VGA Adapter]]\\
  
 ---- ----