30mm Piezo Buzzer: 1-30V

This piezo sounder is an inexpensive way to add sound to your project. The wide operating voltage of 1 – 30 V and low current draw (5 mA at 9 V) make it easy to control this buzzer directly from a microcontroller I/O line.

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Will this piezo buzzer make sound when driven with a constant DC voltage?: No, this is not a feedback piezo buzzer. This buzzer will produce sound when driven like a standard speaker.