The Piezoelectric Buzzer 3V–12V (Black, 12mm Diameter) is a compact sound-producing module designed for use in alarms, indicators, timers, and embedded systems. This passive piezo buzzer generates a clear and audible tone when powered with a DC voltage between 3V and 12V, making it suitable for various voltage environments.
Its 12mm diameter and low-profile black plastic case make it perfect for compact electronics, robotics, and Arduino projects. Simply connect it to a microcontroller like Arduino, ESP32, or Raspberry Pi via digital pins to create buzzers, sound indicators, or alerts.
Whether you’re working on a home automation project, sensor alert system, or robotic feedback system, this buzzer is a simple and reliable way to generate sound notifications.
⭐ Key Features:
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🔔 Wide operating voltage: 3V to 12V DC
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📏 Compact 12mm diameter – fits small enclosures
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⚡ Low power consumption
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🎶 Produces loud, clear tone when powered
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🧰 Ideal for Arduino, Raspberry Pi, alarms, DIY circuits
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🧲 Lightweight and easy to mount
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🔌 Can be driven by microcontrollers or discrete components
⚙️ Technical Specifications:
| Parameter | Specification |
|---|---|
| Type | Passive Piezoelectric Buzzer |
| Operating Voltage | 3V – 12V DC |
| Diameter | 12mm |
| Color | Black |
| Mounting Type | Through-hole |
| Sound Output | Approx. 85 dB @ 12V |
| Frequency | ~2.7 kHz |
| Current Consumption | < 25 mA |
| Use Case | Alarms, indicators, audio feedback |
| Compatible With | Arduino, ESP8266, ESP32, Raspberry Pi |
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