The Active Buzzer Module (5V DC) is a simple, reliable sound component for Arduino and DIY electronics projects. Because it’s an active buzzer, it contains an internal oscillator, so it will produce a steady beep sound as soon as you apply a HIGH signal (or power, depending on module pinout). This makes it much easier than a passive buzzer, which requires a PWM/tone signal to generate sound.
Use this module for alarm systems, warning indicators, timers, door alerts, sensor triggers, robotics status beeps, and educational projects. It’s perfect for beginners because it needs only basic ON/OFF control and works well with common microcontrollers.
If you want the easiest buzzer for alarms and alerts, active is the right choice.
| Pin | Function |
|---|---|
| VCC | 5V power |
| GND | Ground |
| SIG / IN | Digital control input (HIGH = ON) |
Note: Some boards label pins as S, +, -. Always match VCC and GND correctly.
| Item | Details |
|---|---|
| Type | Active buzzer module (internal oscillator) |
| Operating Voltage | 5V DC |
| Control | Digital ON/OFF (HIGH/LOW) |
| Use | Alarm, buzzer alert, beeper indicator |
| Quantity | 2-Pack |
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