We will be using two LDRs as sensors for our buggy. When the buggy moves in the forward direction both the sensors will not be facing the black strip and therefore it wont send any signal. But at the turning one of the sensors will be facing the black strip will the other will be over white ground. At this point the sensor will send a signal to the microprocessor asking it to stop one of the motors so that the buggy can turn. This idea will be more clearly demonstrated with the video beneath.
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