Thanks again steve for your solution.
quote:
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2. another things is how to control
if the 3 Sensor = 1 3 times cross 4 junction, the robot will stop and turn 90 deg left (for example)
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what i trying to do is ( reffer to attached file) the robot move follow the line and after cross the 3rd junction the robot will stop and after few second robot will turn CCW and stop again when the line sensor is detected the 90 deg line.
sorry for my bad english ,




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