A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact. A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the field or return signal.
|GP2Y0A21YK0F GP2Y0A21 Infrared Proximity Sensor IR Analog Distance Sensor VE713 P|
Specification: Infrared Proximity and Distance Sensor VE713 10-80cm
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