Project11.Active Buzzer

Description

Here is the simplest sound making module. You can use high/low level to drive it. Changing the frequency it buzzes can produce different sounds.

This module is widely used on our daily appliances like PC, refrigerator, phones, etc.

In addition, you can create many interesting interactive projects with this small but useful module. Just try it!! You will find the electronic sound it creates so fascinating.

Specification

Working voltage: 3.3-5v
Interface type: digital
Size: 30*20mm
Weight: 4g

Connect

_images/11_bb.png

Code

int buzzPin =3;    //Connect Buzzer on Digital Pin3
void setup()
{
pinMode(buzzPin, OUTPUT);
}
void loop()
{
digitalWrite(buzzPin, HIGH);
delay(1000);
digitalWrite(buzzPin, LOW);
delay(1000);
}

Phenomenon