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The buzzers or buzzers serve as audible indicators in many systems, they can serve for a user to notice that they have pressed a button, even as an alarm signal.

Its consumption is very low so it could be connected directly to the pin of almost any microcontroller.

Buzzer (piezoelectric buzzer) 12x 9.5mm

  • Operating voltage: 3.5 - 5.5V

    Current: ~ 25mA

    Frequency: ~ 4kHz

    Sound pressure level: ~ 72dB

    Tone: constant

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