HELP about accelerometer to arduino with tilting LED indicator

good day to all readers and helpers of this section i just wanna have some links and tutorials from you how to familiarize with the codes being used in this and how is their connection with each other i also wanna know how the codes being used =)

thank you i highly appreciate you help masters MORE POWER =)

Welcome to the Forum. Please read the two posts

How to use this forum - please read.
and
Read this before posting a programming question ...
There are some links to such topics there. Also google "arduino accelerometer".

There's discussion about using an accelerometer as a tilt sensor in this thread.