Το Keyestudio Passive Buzzer for Arduino is a passive buzzer. It cannot be actuated by itself, but by external pulse frequencies. Different frequencies produce different sounds.
We can use Arduino to code the melody of a song, which is quite fun and simple.
.
![Wiring Keyestudio Passive Buzzer for Arduino - Research Knowledge](https://www.why.gr/wp-content/uploads/2021/01/Wiring.png)
Specification
- Working voltage: 3.3-5v
- Interface type: digital
![Connection Diagram Keyestudio Passive Buzzer for Arduino - Research Knowledge](https://www.why.gr/wp-content/uploads/2021/01/Connection-Diagram.png)