Test your sensors for line following robots
There are two ways of making a line sensing/following robot, using a light dependent resistor(LDR).
magician chassis
How to make an easy robot using Arduino, Android, Amarino, Ardumoto and Magician Chassis
Project Description: This project gives you the basic ideas for making a robot using Amarino.
How to assemble Magician Chassis
Check out similar robotics chassis at Buildcircuit store Sparkfun.com has recently released a simple, easy.