Passive Buzzer 3.3V-5V DC

Module is driven by 9012 transistor

Operating voltage 3.3V-5V

Fixed bolt holes for easy installation

Small board PCB size: 3.3cm * 1.3cm

Passive Buzzers
• How it works: It has no internal oscillator.
• Power needed: It needs an alternating current (AC) signal or pulse, like a PWM wave from an Arduino Circuit.
• Sound output: It can change pitch and play different musical notes.
• Best use: Playing songs, custom melodies, or varied sound effects