Short Overview of Capacitive Switch

A capacitive switch is a type of touch-controlled electrical switch that operates by sensing changes in capacitance from the touch of a human finger. Unlike mechanical switches, which require physical pressing, capacitive switches detect touch through changes in an electrostatic field. This field is generated by two conductive plates separated by a non-conductive layer within the switch. When touched, the human body alters the capacitance, triggering the switch to actuate a function. This technology is favored for its durability and the sleek, modern interfaces it enables, making it widely used in devices ranging from smartphones and tablets to interactive home appliances and automotive controls.

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