Quote Originally Posted by astanapane View Post
i have also one more question please.

I need to use the ID-12 with a display also. Can i use the pic16f628a to run both?

thank you very much.
Go read your manual about LCDOUT, it explains in a thorough treatise exactly how to do that. I am perceiving this to be a school project, and it would be rather easy to hand you the code, I think that would do you more harm than good.
What you learn here you can then teach to someone else, that is how this forum works, a great many of the members ARE engineers, others are just interested hobbyist, and IF you are a student, as I believe, I do not want to enable you to fail and NO I do not mean fail the class. Write your code, Make the mistakes, Show us the mistakes, and receive help.