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Piezo buzzer

PIEZO-BUZZER

Piezoelectric buzzer, ideal to produce tones, beep and alert songs

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1,78 € tax incl.

Description

Play tones and music notes with Piezo Buzzer

The piezoelectric buzzers are used to make beeps, tones, songs and alert. This model is small but incredibly noisy! You can control it with a voltage varying from 3 to 30V and square waves (like PWM signal).

To use it, connect a pin to ground (GND) and on a pin of the microcontroller producing a square wave using a timer or PWM.

To get the loudest tones, it is better to produce de tones around 4KHz but this buzzer works very well between 2KHz and 10KHz.

To produce even more noise, you can connect the two pins of the piezo on a microcontroller and reverse the output (high or low), this method called "differential drive" allows to double the sound volume. 

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