Arduino Tutorial 23: Changing Tone of an Active Buzzer

In this lesson we show how you do have some ability to adjust the tone on the Active Buzzer to make a sound or alarm that is a little more interesting. If you want to make notes or play simple songs you should use the passive buzzer, but the active buzzer can be adjusted somewhat.

If you want to follow along at home, you can order the Arduino Kit we are using HERE.

The video above takes you through the hookup and the steps. Also, the code used in the example above is: