Indoor navigation using compass and encoder

hey there i am Dhruv
i am trying to make a indoor navigation robot using arduino and compass and encoder i am not able the on this project can someone help..
i am not able to join it and programme it
can any one help....

on this project

Have you forgotten something?

You will need a suitable robot, with motors, motor drivers and encoders, a compass, an Arduino and power supplies for the motors and Arduinos.