This project aims to learn how to use a CNY70 line sensor to control the activation of connected electronic components.
The
CNY70 is a reflective-type optical sensor that can be used for line detection.
It consists of an infrared LED and a phototransistor mounted facing each other
in a black plastic housing. When the LED is turned on, it emits infrared light
that is reflected by the surface the sensor is pointed at. The phototransistor
then detects the reflected light and produces an output proportional to the
intensity of the detected light.
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