I accidently applied 13V to the LCD and now it appears to have quit working. I don't even get a blinking cursor. How do I determine which component I fried. I assume is the uP, but how would I make sure?

Thanks,
Nevin

I am having difficulty using i2c with the LCD0821. I am using the Basic Atom by BasicMicro.com. I have successfully used it to in conjuction with i2c with other devices. Just wondering what are some common mistakes I should look for.

I believe the contrast is set correctly, I can see a blinking ...