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vga_hacking_may2018:material [2018/05/18 13:17]
admin created 		vga_hacking_may2018:material [2018/05/18 13:43] (current)
admin [I2C over VGA]
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-hhh+===== VGA Hacking ===== 
 + 
 +<html> 
 +<iframe width="560" height="315" src="https://www.youtube.com/embed/RprQFZy3ZUs?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe> 
 +</html> 
 + 
 +---- 
 +==== VGA Breakout Board === 
 +{{:vga_hacking_may2018:vga_breakout_board.jpg?400|}}\\ 
 +[[http://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:vga_breakout_board]]\\ 
 + 
 +... and how to build the connector:\\ 
 +{{:vga_hacking_may2018:vga_buildingconnector_06.jpg?400|}}\\ 
 +[[http://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:vga_connector]]\\ 
 + 
 +---- 
 +==== additional VGA Boards ==== 
 +**VGA outputboard for the Raspberry Pi:**\\ 
 +{{:vga-hacking_homemade_aug2017:vga-666_board_pi_190334.jpg?400|}}\\ 
 +[[http://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspberry_vga_board]]\\ 
 + 
 +**VGA and Sound Blender:**\\ 
 +{{:vga_hacking_may2018:video_sound_blender_08-47-08.jpg?400|}}\\ 
 +[[http://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:vga_sound_blender]]\\ 
 + 
 +---- 
 +==== 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\\ 
 + 
 +---- 
 +==== I2C over VGA ==== 
 +{{:vga_hacking_may2018:vga_to_i2c.jpg?400|}}\\ 
 +[[http://dernulleffekt.de/doku.php?id=i2c_over_vga]]\\ 
 + 
 +---- 
 +==== 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]]\\ 
 + 
 +----