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A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.
Buzzer (Electromagnetic) 12 volt - Active Buzzer : Piezo Buzzer (PCB mountable)General Des..
Piezo Buzzer [Contineous] 9V to 24VGeneral DescriptionGood performance, general purpose Piezo b..
Piezoelectric ceramic buzzer thin plate : 35mm (dia)SpecificationResonance Frequency: 4.6 Khz +/- 0...