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Altera_Forum
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9 years ago

DE0-nano - interface OV7670 and VGA monitor

Hello I'm having hard times finding how to interface 18 pin OV7670 with DE0-nano board, ive managed to print something (red square) on monitor, but i cant even move with camera. If You guys know a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Ok little improvement comparing to previous version, now borders are looking better than before and images are much more stable (can even read letters from calculator :D), now colors are the issue and registers setup, my predictions are that something in controller is not working properly.

https://youtu.be/i4o3kaw0pjy

edit

ahh and what ive done to improve image: ive moved ground ov7670 pin from GPIO pin that was set to GND by gnd symbol in quartus to real gnd pin next to 3V3 power supply pin O.o (anyone know why this helped so much?)