The reflective sensors count how many times an edge of the reflective tape passes the sensor. This can be translated into the number of revolutions that the wheel makes and can then be converted into a distance that the vehicle as a whole travels.
The reflective sensors count how many times an edge of the reflective tape passes the sensor. This can be translated into the number of revolutions that the wheel makes and can then be converted into a distance that the vehicle as a whole travels.