3.3-5V Passive Buzzer Alarm Module For Arduino
Descriptions:
Work Voltage: 3.3-5VWith fixed bolt hole for easy installationPCB Dimension: 3.3 x 1.3cmDuPont line length: 21cmModule adopts 9012 transistor drive
Feature:
No oscillation source， need square wave (frequency 2K-5K ) to drive.Sound frequency control， you can make a !#!amp!*!quot;do re mi fa sol la si!#!amp!*!quot; effect.
Pin Definitions:
VCC : 3.3V-5VGND : The GroundI\/O : I\/O Interface of SCM
Package included:
1 x Passive Buzzer Module1 x 3pin DuPont line