Please read and follow those links:
BEGINNERS and LEARNERS read this... - Using Arduino / Project Guidance - Arduino Forum
How to get the best out of this forum - Using Arduino / Project Guidance - Arduino Forum
It's annoying to read topics like this. Helpers use their valuable free time for technical matters but way too often the help is to improve the question to be understandable, and possible to give useful replies. Know that all helpers are newbies to You special question, but we know how to read datasheets.
Your post doesn't indicate where the trouble is. Therefore I ask You to post schematics.
Posting code, according to the links above, is mandatory. How could You miss that?