This active buzzer module is a convenient way to add a piercing alarm to your arduino project. Note that this module is an active buzzer and simply emits a loud beep when activated. For a module that can play tunes please refer to the Passive Buzzer Module.
Please refer to the connection information below. The silkscreen is BACKWARDS!!!
Work Voltage: 3.3-5V
PCB Dimension: 3.3cm*1.3cm
Center pin---> No connection
Any digital pin ---> - (minus sign)