VGA test box
20 February 2009 – 09:10As part of my (Arjan’s) graduation project, I’ve made a box which generates a VGA signal using a microcontroller. Read about it here.
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3 Responses to “VGA test box”
hi,
nice work : )
By brn mcknn on Mar 2, 2009
hey, i just now got the Eric Schlaepfer vga-test program working on a 16f84a.
the trick was to adjust the pulse-width of the vsync with a 555 timer (a technique lifted from the Tomi Engdahl VGA to TV schematic)
greetings from ams-oost
By brn mcknn on Mar 3, 2009
Nice work!
You were right indeed: looking at Eric’s code now shows that the vsync pulse is indeed *way* too short, it should be 62us instead of 6…
greets back from… amsterdam oost as well
By arjan on Mar 3, 2009