![]() ![]() This is because the sensor utilized the magnetic field to detect the presence of objects. Inductive Proximity Sensors WorkingĪn inductive proximity sensor is used to detect metallic objects. ![]() Below are the list of commonly found proximity sensors one could use and their working principles. Proximity sensors come in different varieties and forms, each more suitable than the rest in certain scenarios. If the object or target is away from the sensor greater than the threshold distance, the sensor output a logic LOW, indicating the presence of no object. If the Proximity sensor detects an object or target at less than the set threshold distance, the sensor will output a logic HIGH signal, indicating the presence of the object. ![]() They will usually come with an onboard potentiometer to adjust the sensitivity of the sensor based on the user preference. Proximity sensors are relatively very simple sensors to operate. These sensors are extremely useful in applications where an object or target is to be detected in a certain space - to create alerts, or execute a chain of other automations like turning on the lights and fans when a person enters the room. ![]()
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