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This 5V Active Buzzer is a compact, self-driven sound-emitting component ideal for use in Arduino, ESP32, Raspberry Pi, and other DIY electronics projects. Unlike passive buzzers, this buzzer produces a constant tone when power is applied – no signal or code required.

It is perfect for use as an alarm, sound indicator, or notification device in embedded systems and general-purpose circuits. Just connect it to a 5V power supply or a digital pin to activate the sound.

Key Features:

Type: Active Buzzer (non-module)

Operating Voltage: 5V DC

Automatically emits tone when powered

Compact size and breadboard-friendly

No code or PWM required

Ideal for alarms, timers, and status indicators

Compatible with Arduino, ESP32, Raspberry Pi, and more

Easy to integrate in DIY projects and embedded circuits