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Introduction 

In this tutorial you will learn how to use a passive buzzer module with Arduino.Passive Buzzers is passive because it hasn't system that produces sound or sound on its own. It is necessary for the Buzzer a microcontroller, like an Arduino to produce sound.

What you will need - Hardware

For this tutorial you will need:

The Circuit

The connections are pretty easy, see the image above with breadboard circuit schematic.

The code

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/* Arduino tutorial - Passive Buzzer Module 
   More info and circuit: http://www.ardumotive.com
   Dev: Giannis Vasilakis // Date: 12/11/2017  */
   
int buzzer = 8 ;
void setup ()
{
  pinMode (buzzer, OUTPUT) ;
}
void loop ()
{
  unsigned char i, j ;
  while (1)
  {
    for (i = 0; i <80; i++) // When a frequency sound
    {
      digitalWrite (buzzer, HIGH) ; //send tone
      delay (1) ;
      digitalWrite (buzzer, LOW) ; //no tone
      delay (1) ;
    }
    for (i = 0; i <100; i++) 
    {
      digitalWrite (buzzer, HIGH) ;
      delay (2) ;
      digitalWrite (buzzer, LOW) ;
      delay (2) ;
    }
  }
}
Download the code from here and open it with Arduino IDE.
passive_buzzer.zip
File Size: 0 kb
File Type: zip
Download File

Well done!

You have successfully completed one more Arduino "How to" tutorial and you learned how to use the passive buzzer module. I hope you liked this, let me know in the comments.