Features
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2,5kHz.
The active Buzzer-module doesn't need a square wave, unlike the passiv module (KY-006), to create a sound. If it gets a minimum Voltage of 3.3V at its signal pin, the buzzer will create the square wave by itself.
Export: 16.06.2017
Copyright by Joy-IT - Published under CC BY-NC-SA 3.0
Page 51 of 214
KY-012 Active Piezo-Buzzer module
Pinout
Code example Arduino
In this example, you will see how the buzzer will be ON for 4 seconds and then will be OFF for 2 seconds.
int Buzzer = 13; void setup () {
pinMode (Buzzer, OUTPUT); // Output pin initialization for the buzzer } void loop (...
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