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What mode should we put the Arduino pin to, for object detection to work with the IR Sensor?

What mode should we put the Arduino pin to, for object detection to work with the IR Sensor? Correct Answer Digital

Having the input pin to digital on the Arduino, will give us a HIGH signal from the sensor whenever an object is detected to be in range of the sensor thus fulfilling its need. So, for object detection we can attain the required data simply by a digital HIGH or LOW signal.

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