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Active / Passive Buzzer
Modules & Actuators

Active / Passive Buzzer

Generates tones and alerts.

Definition

A small piezo speaker — active types beep on power, passive types need a PWM signal.

AI Application

Lets AI safety models (gas, fall, intrusion) audibly warn the user instantly.

Parts & pins

1
VCC

3.3V or 5V power

2
GND

Ground reference

3
I/O

Tone signal from MCU

4
Piezo Element

Vibrating disc makes sound

Works with

Hardware you can wire this part to in a typical project.