3.3-5V Passive Buzzer Alarm Module For
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 inchdo re mi fa sol la siinch effect.
Pin Definitions
VCC:3.3V-5V
GND:The Ground
I/O:I/O Interface of SCM
Package included
1 x Passive Buzzer Module
1 x 3pin DuPont line
Additional information
| Weight | 0.006 kg |
|---|
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