3Pcs 3.3-5V Passive Buzzer Alarm Module For Arduino
Descriptions:
Work Voltage: 3.3-5V
With fixed bolt hole for easy installation
PCB Dimension: 3.3 x 1.3cm
DuPont line length: 21cm
Module adopts 9012 transistor drive
Feature:
No oscillation source, need square wave (frequency 2K-5K ) to drive.
Sound frequency control, you can make a "do re mi fa sol la si" effect.
Pin Definitions:
VCC : 3.3V-5V
GND : The Ground
I/O : I/O Interface of SCM
Package included:
3 x Passive Buzzer Module
3 x 3pin DuPont line
