Active buzzer (beeper)
Active buzzer module
Description
1. Bring oscillation source
2. S8550 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