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This robot was made for the Search and Rescue challange by Ro-Bot-X. It is a simple wall follower that uses an ultrasonic sensor for decting the wall and a SHARP IR sensor for sharp left turns. For picking up the soft toy bear, in my case a dog, the robot has a magnet on the side. So sometime on its journey the magnet will touch the bear and grab it. It grabs it because there is a small magnet taped to the waist of the dog. I would have used velcro but I couldn't get some in time for the deadline. My ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/maze-solving-robot