![]() Since they don’t have moving parts, they typically last longer than other types of switches. This mechanical stress will essentially squeeze the piezoelectric element so that it creates electricity, which in turn opens or closes the corresponding circuit. Pressing a button will create mechanical stress. Piezoelectric elements are components that generate a voltage in response to mechanical stress. This voltage will then open or close the corresponding circuit. When you press a button, the piezoelectric element will generate a voltage. The piezoelectric element is responsible for generating a voltage that opens or closes a corresponding circuit. For a switch to be considered piezo, it must use a piezoelectric element. The Mechanics of a Piezo SwitchĪlthough there are many types of piezo switches, they all use the same method of operation. Piezo switches feature one or more buttons that, when pressed, will open or close a corresponding circuit. ![]() You can find them in keypads, human machine interfaces (HMIs) and other circuit-based input devices. An Introduction to Piezo SwitchesĪlso known as a piezoelectric switch, a piezo switch is a relatively new type of electrical switch that’s characterized by its piezoelectric method of operation. For a better understanding of piezo switches and how they work, keep reading. While piezo switches can open and close a circuit - just like all other electrical switches - they are unique in several ways. Defined by their piezoelectric mechanics, they are durable, long-lasting and available in custom designs. Piezo switches have become a popular alternative to traditional plastic, as well as membrane, switches in recent years.
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