Description
Active Buzzer module produces a single-tone sound when trigger. To produce different tones, use the Passive Buzzer module. The Active Buzzer module consists of a piezoelectric buzzer with a built-in oscillator. It generates a sound of approximately 2.5 kHz when activated.
Features
1. The module is driven by a 9012 transistor
2. Working voltage 3.3V-5V
3. With fixing bolt holes for easy installation
4. Small board PCB size: 3.3cm * 1.3cm