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This is a simple Arduino Light seeker. It has an Arduino Duemilinove on board. It is powered by 2 AA batteries for logic( with boost converter), and 4 AA batteries for the motors. I used a Tamiya treaded robot base, but anything with skid steering will work. Well documented and Code here on Instructables. Please check it out. I finally got around to posting a video!
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/w-video-first-arduino-robot-light-seeker