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Update: Finished second in the competition. Watch the videos for some action! This is my line follower, R.A.L.F, which stands for Really Awesome Line Follower. I built him to take part in Stockholms Robot assosications line follower competition. The base is an old CD-ROM tray I for some reason had saved. The motors are mounted on a piece of scrap wood I found under my desk. They are controlled by a Pololu Qik 2vs91 Serial motor controller. It's controlled by an Arduino Mega 2560, ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/r-a-l-f