Piezo Buzzer Pack

Description

The active buzzer module generates a tone when powered; it includes an internal oscillator, so applying voltage alone (digital HIGH) activates it. It’s useful for alarms, notifications, and audible alerts in embedded systems.

Specs

Operating Voltage	3.3V – 5V DC
Current Draw	≈10–20mA
Sound Frequency	≈2–4kHz
Trigger Method	Digital HIGH on IN pin
Module Size	12mm × 16mm approx.

Compatibility

• Arduino/ESP32/ESP8266 digital output
• Raspberry Pi GPIO (with buffering)

Resources

• 📘 Arduino Buzzer Tutorial
  Getting started guide
• 💡 PWM Tone with Buzzer
  Arduino tone() reference

Description
This piezoelectric buzzer module delivers a loud 100dB continuous alarm tone at 12V from a compact 30 x 15mm housing, making it suitable for alerts and notifications in embedded systems. Operating across a wide voltage range (3V to 24V DC), it requires no external driver—just apply power and it sounds. Consuming only 15mA at 12V, it is energy-efficient and easy to integrate. Backed by a 1-year warranty, it's ideal for security systems, warning indicators, and automation applications.

Specs
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Compatibility
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Resources
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