Specification :
No oscillation source,need square wave(frequency 2K-5K ) to drive
Audion 9012 drive;
Work Voltage: 3.3-5V
Set bolt hole,easy to assemble
PCB Dimension: 3.3cm*1.3cm
Pin Definition:
Pin: definition
Vcc: 3.3~5V
GND: the Ground
I/O: I/O interface of SCM
Package includes:
1` X Passive KY-006 Buzzer Alarm Module