The FC-123 sensor :
what it will do?
it has a sensor that will trace the black line.
also, it can trace the light so if some object blocks the light and stands between the light and the sensor, it will identify the situation and the red LED will set on high voltage
we can call a few applications for this sensor in the industry and factories where you need to handle the tracing and identifying of the objects
board: Arduino UNO
Arduino eBooks:
https://bokfive.com/arduino
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