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RM 121 - Sensors

A sensor will detect whether or not something is there or not there, this is referred to as presence sensing. Some sensors can detect if something specific is present, more than detecting that an object is there. It detects if a specific type of object is there. Some sensors can detect how much is there.

What is a Hall Effect Sensor?

What is a Hall Effect Sensor #2?

Hall Effect Demonstrated

Limit Switches

Small (Micro) Limit Switches

Proximity Switches #1

Three Types of Sensors