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buzzer
EntityQ1148571· pop 24· linked from 140 articles

A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices, timers, train and confirmation of user input such as a mouse click or keystroke.

~3 min read

Encyclopedic overview

10 sections
Contents
  • History
  • Electromechanical
  • Piezoelectric
  • Types
  • Electromechanical
  • Mechanical
  • Piezoelectric
  • Modern applications
  • See also
  • References

A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices, timers, train and confirmation of user input such as a mouse click or keystroke.

== History ==

Excerpted from Wikipedia’s “buzzer” article, available under the CC BY-SA 4.0 licence.

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