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Problem with LCD

I don't know what's going on with my LCD display. It used to work fine, but today it hasn't been. Half of the display has a much greater contrast than the other. Also, it is flickering with some weird stuff. I have gotten the LCD code to work fine before. Any advice?

 

I've also posted this on the Arduino forums..

 


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seem fine, I dont think it is a problem, because all the characters are displayed, But I'll check. Thanks :)

what little experience I do have says your connections to your LCD could be your problem.