Overview

Buzzer Module is using a S9012 transistor to driver the buzzer, simply connect VCC, Gnd and a I/O pin to control buzzer on/off.

Specification

• Operating Voltage : DC3.3V ~ 5V

• Comes with mounting hole

Pin Definitions

• '+' : Connect to DC 3.3V ~ +5V

• OUT : Control input pin. 'H' to turn-on buzzer; 'L' to turn-off buzzer

• '-' : Connect to ground