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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 ===== |
+ | |||
+ | < | ||
+ | <iframe width=" | ||
+ | </ | ||
+ | |||
+ | ---- | ||
+ | ==== VGA Breakout Board === | ||
+ | {{: | ||
+ | [[http:// | ||
+ | |||
+ | ... and how to build the connector: | ||
+ | {{: | ||
+ | [[http:// | ||
+ | |||
+ | ---- | ||
+ | ==== additional VGA Boards ==== | ||
+ | **VGA outputboard for the Raspberry Pi:**\\ | ||
+ | {{: | ||
+ | [[http:// | ||
+ | |||
+ | **VGA and Sound Blender: | ||
+ | {{: | ||
+ | [[http:// | ||
+ | |||
+ | ---- | ||
+ | ==== Fake a VGA device ==== | ||
+ | |||
+ | **Color Signal ------ 75R ------ GND**\\ | ||
+ | |||
+ | [[http:// | ||
+ | |||
+ | ---- | ||
+ | ==== Audio to VGA ==== | ||
+ | [[http:// | ||
+ | {{: | ||
+ | |||
+ | ---- | ||
+ | ==== VGA Signal Generator ==== | ||
+ | [[http:// | ||
+ | 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 ==== | ||
+ | {{: | ||
+ | [[http:// | ||
+ | |||
+ | ---- | ||
+ | ==== Links ==== | ||
+ | [[http:// | ||
+ | [[http:// | ||
+ | [[https:// | ||
+ | [[http:// | ||
+ | [[https:// | ||
+ | |||
+ | ---- |