Make Simple Line Follower With Erulduino

for the first time in the past holiday weekend I made a simple line follower robot using Arduino similar to my own that I give it a name with erulduino ... apologize for this temporary can't explain steps in working on this robot constrained complete because a lot of work .. until now only show the photos I have. My future plans will share programs that I have along with step-by-step how to make a line follower robot..
this link I have for any question : http://stpdxpdc.wordpress.com/ and http://blog.dewataelektronik.com/