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Infrared Object Detection Sensor
This infrared object detection sensor has a pair of infrared transmitting and receiving LEDs. Infrared is emitted at a certain frequency, when and when meet an obstacles (reflecting surface), reflected infrared is received. After the comparator circuit processing, green indicator will light up, at the same time a digital signal (a low level signal) is detected at the OUT pin.
Distance can be adjusted using the potentiometer knob. Effective distance range 2 ~ 30cm and working voltage is 3.3V to 5V.
