Qu-Bot, A Quickly Programmable Robot User’s Manual
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8.5. Line Follower using one sensor
This code uses only one sensor to follow a dark color line on light colored floor.
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In the start robot starts running left motor. Right motor is stopped. So the robot
takes a long right turn.
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When it gets the line under the bottom sensor it continues to take right turn until
it crosses it completely.
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After a small delay of 50ms the left motor stops and right motor starts moving so
robot takes a left turn.
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Again it continues taking the left turn until it crosses the line. After a 50 ms delay
the procedure repeats because of infinite loop.
