Description
5V Active Buzzer – Simple & Reliable Sound Output
This 5V active buzzer is an easy-to-use sound-generating module ideal for alert and alarm systems. It produces a loud, stable beep when connected to a 5V supply—no additional circuitry or oscillation signal is required. Simply connect VCC and GND, and the buzzer will sound.
Commonly used in Arduino projects, sensor alarms, digital timers, and embedded systems, the buzzer is compact, durable, and highly efficient.
Key Features
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🔊 Loud and clear beep sound
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🔌 Operates directly on 5V
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🛠️ Active buzzer — no external signal required
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🎛️ Easy interfacing with Arduino, ESP32, AVR, PIC, Raspberry Pi
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⚡ Low power consumption
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🤖 Great for alarms, timers, indicators & DIY robotics
Applications
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Alarm and alert systems
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Timers and counters
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Robotics and embedded projects
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Arduino sound signaling
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Warning indicators
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Door alarms, motion sensor alarms
📦 Specifications
| Specification | Details |
|---|---|
| Type | Active Buzzer |
| Operating Voltage | 5V DC |
| Sound Output | ~85 dB (approx.) |
| Frequency | Fixed (internal oscillator) |
| Diameter | 12 mm (typical) |
| Connection | VCC & GND |
| Usage | Alarm sound / beep generator |





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