PASSIVE BUZZER MODULE FOR ARDUINO

Description
1. No oscillation source, need square wave(frequency 2K-5K ) to drive
2. Audino 9012 drive;
3. Work Voltage: 3.3-5V
4. Set bolt hole, easy to assemble
5. PCB Dimension: 3.3cm*1.3cm

Pin Definition
1. VCC: 3.3-5V
2. GND: Ground
3. I/O: I/O Interface of SCM