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My device must be able to show a simple diagram on a screen of an ordinary computer monitor. I've found display drivers which could do the job, but they seem to be much more sophisticated than I would need. There are some drivers from Epson, but they have hardware acceleration, sprites and much more. I only need some circles and lines. My diagram wouldn't even need to be refreshed more than every ten seconds or so.

Is there any simple display drivers?

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closed as not a real question by Leon Heller, Dave Tweed, placeholder, Nick Alexeev, Anindo Ghosh Apr 15 '13 at 8:33

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. If this question can be reworded to fit the rules in the help center, please edit the question.

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    \$\begingroup\$ "My device" - what device? Do you have a schematic, any code, datasheet, ..? \$\endgroup\$ – Keelan Apr 14 '13 at 7:04
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    \$\begingroup\$ You know it has to display circles and lines, so you know what your minimum requirements are. Resolution, colors, ... \$\endgroup\$ – jippie Apr 14 '13 at 7:13
  • \$\begingroup\$ Display drivers for what board / platform? How do you envisage your connection to the VGA monitor? This question lacks sufficient information for a definitive answer, please edit it and add detail, thanks. \$\endgroup\$ – Anindo Ghosh Apr 14 '13 at 8:22
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Apparently, VGA is pretty easy to render with an AVR microcontroller. Some examples:

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