Piezoelectric sensor

A piezoelectric disk generates a voltage when deformed (change in shape is greatly exaggerated)

A piezoelectric sensor is a device that uses the piezoelectric effect to measure changes in pressure, acceleration, temperature, strain, or force by converting them to an electrical charge. The prefix piezo- is Greek for 'press' or 'squeeze'.[1]

  1. ^ Platt, Charles (2012). Encyclopedia of electronic components. Volume 1, [Power sources & conversion : resistors, capacitors, inductors, switches, encoders, relays, transistors]. Sebastopol CA: O'Reilly/Make. p. 258. ISBN 978-1-4493-3387-4. OCLC 824752425.

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