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Home / Computer Hardware, Monitors & Peripherals / Active Buzzer Module Tone Alarm Sensor Compatible with Arduino Kits and ESP32

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 3.3V - 5V DC
Buzzer Type Active
Resonant Frequency 2300Hz ± 300Hz
Sound Pressure Level 85dB
Pin Interface 2-Pin Header
Compatibility Arduino, ESP32, ESP8266
PCB Material FR-4
Module Dimensions 24mm x 15mm x 10mm
Weight 2 grams
Package Contents 1 x Active Buzzer Module

5 reviews

A

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect for Arduino Projects

Works exactly as described. Very easy to integrate with my Uno board.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Compact and Reliable

Fits easily on a breadboard. Great for student kits.

A

Anonymous

Feb 20, 2026

Rating: 5/5

ESP32 Compatible

Confirmed working with ESP32 DevKit V1. No issues with 3.3V logic.

A

Anonymous

Feb 08, 2026

Rating: 4/5

Good Volume

Loud enough for indoor alerts. Wish it was slightly louder for noisy rooms.

A

Anonymous

Feb 01, 2026

Rating: 4/5

Great Value

Bought multiple for my classroom. Most work perfectly, one was slightly quiet.

5 FAQ

Q: Can I play melodies with this?

A: Active buzzers generate a fixed tone. For melodies, please consider a passive buzzer module.

Q: Which pin is positive?

A: The module is labeled with VCC for positive and GND for ground.

Q: Is this waterproof?

A: No, this module is designed for indoor educational and hobbyist use only.

Q: Does this require a specific library?

A: No, this module can be controlled using standard digital Write commands.

Q: What is the maximum voltage?

A: The recommended operating voltage is 5V, but it works with 3.3V systems.

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