Buzzer - to convert an electrical sound signal into a mechanical sound signal
Why is a buzzer or alarm used in the circuit? The buzzer is an audio notification device that may be available in different modes such as mechanical, electromechanical, or piezoelectric (abbreviated piezo). Buzzers are commonly used in warning devices and produce a "beep" or "buzz" sound when an alarm is required.
A buzzer is a sound-generating device that converts an electrical sound signal into a mechanical sound signal. It is usually connected to a DC power supply to turn it on. This device is widely used as a sound production tool in alarm bells, printers, and other electronic products.
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AutonicsAutonics Piezo Buzzers - B2PB-B1D-R Red LED, Continuous sound/Intermittent sound As a quick report, this piezo buzzer provides: Clear and loud sound: up to 98 ±8 dB (at 0.1m) 12-24 VDC Power supply Max. 0.6 W Power...