Solved The symbol shown below represent. Optical proximity | Chegg.com
Why Proximity Sensors? A Proximity sensor (also called "Proximity switch" or simply "PROX") responds to the presence of an object close to the sensor. - ppt download
Capacitive vs. Inductive Sensing - Circuit Cellar
How its Work : Inductive - Capacitive - Photoelectric - Ultrasonic sen – 3JIndustry
Inductive & Capacitive Proximity Sensor as Object Detector - YouTube