Wall Follower - Top View - YouTube - 2 views
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Andrew Drogan on 13 Oct 11Another great video for wall detectio using the ultrasonic sensor.
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Declan Coen on 16 Oct 11this is a great video because it enables the robot to keep track of the wall it is following and be on the look out for other walls to trace. this could also work for us because we have 3 motors: 2 for drving and turning and 1 for the ultra- sonic sensor