Passive Buzzer 9042B
$0.30
Available
SKU: PRD348
The Passive Buzzer 9042B is a simple audio output component that requires an external alternating voltage signal, such as a square wave from a microcontroller, to produce sound. Unlike active buzzers, it can play different tones and melodies. It is commonly used for alarms, keypads, and notification beeps in DIY electronics.
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