In this project, we did not make use of any motor control algorithm (like PID) to steer the robot. How do we implement one?
The Pololu tutorial on Building Line Following and Line Maze Courses can be found at http://www.pololu.com/docs/0J22
The Advanced Line Following with 3pi: PID Control tutorial can be found at http://www.pololu.com/docs/0J21/7.c
The Parallax line following track: http://www.parallax.com/Portals/0/Downloads/docs/prod/robo/scribbler2/Tracks.pdf