Active Buzzer module produces a single-tone sound when signal is high. The Active Buzzer module consists of a piezoelectric buzzer with a built-in oscillator. It generates a sound of approximately 2.5 kHz when signal is high. Description 1. Bring oscillation source 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 Package Includes : 1 x Active Buzzer Module 3.3-5V
