Piezo Buzzer
Par un écrivain mystérieux
Description
Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V peak-to-peak square wave. To use, connect
![Piezo Buzzer](https://cdn-shop.adafruit.com/970x728/1739-00.jpg)
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![Piezo Buzzer](https://ae01.alicdn.com/kf/S825bcfcf1e90416fabb0c3e6d92b1703W/10pcs-1407-Passive-Piezoelectric-buzzer-Alarm-Dimension14x7MM-Drive-Frequency-4000HZ-Rosh-Buzzer.jpg)
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par adulte (le prix varie selon la taille du groupe)