2011-04-17 12:50 AM
2011-04-17 06:54 AM
That's all great, but have you tried all the troubleshooting steps?
Is the E pulse at least 450ns, because you have no delay or control over it's width in your code? Stick a scope on it and check. For a gross check, you could add some delays between all you pin transitions.2011-04-17 08:26 AM
Hi
My application worked after connected smt32's ground and LCD's (I'm supplying my LCD with external +5V) ground they are at the same point. --> application video.