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This is my first robot :) very simple line follower using 2 photoresistors and atmega microcontroller, I used a plastic box as chassis and two plastic nuts as wheels, powered by 2 nokia cells 1 for the controller and the other for the servos.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/my-first-robot-29