Passive Buzzer Module

Features
1. A passive buzzer that needs square signals of 2k-5k to drive, for it has no built-in oscillating source, and then makes sounds when energized.
2. Use an S8550 PNP transistor for drive.
3. Controllable sound frequency – it can make the buzzer beep like Do, Re, Mi, Fa, Sol, La, Ti.
4. Working voltage: 3 - 5V; PCB size: 2.0 x 2.0 cm.
5. With power light and indicator of digital signal output.

Application
The module is usually used to make sounds via setting under some specific circumstance.
More details can be found in WIKI.

Component List
- 1 x Passive buzzer Module
- 1 x 3-Pin anti-reverse cable