The 5V Active Buzzer is a compact audio signaling device that generates a continuous tone when powered. Unlike a passive buzzer, this active version comes with an internal oscillating circuit, so it produces sound automatically when supplied with DC voltage — no external signal is required. It is widely used in alarms, notifications, and DIY electronics projects.
Key Features:
Operating Voltage: 5V DC
Built-in oscillating circuit (no external driver needed)
Easy to use – simply connect to power to produce sound
Compact size, PCB-mountable design
Low current consumption and reliable performance
Applications:
Alarm and alert systems
Arduino, Raspberry Pi, and embedded projects
Timers, indicators, and notification circuits
Consumer electronics and DIY kits
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