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Active Buzzer Module – 3V
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Key Features:
Built-in oscillation circuit – produces sound when powered
No external tone generator or microcontroller signal needed
Operates on 5V DC (compatible with Arduino, Raspberry Pi, ESP32, etc.)
Standard 2-pin or 3-pin interface (depends on version)
Compact, lightweight, and easy to use in DIY electronics projects
Specifications:
| Parameter | Description |
|---|---|
| Type | Active Buzzer |
| Operating Voltage | 3.3V – 5V DC |
| Sound Output | ~85 dB @ 10cm |
| Frequency | Fixed (usually ~2–4 kHz) |
| Current Consumption | ~20mA |
| Dimensions | ~12mm diameter × 10mm height |
| Interface | 2-pin or 3-pin (depending on version) |
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