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Home / Development Boards & Control Boards / Active Buzzer Module Passive Sound Sensor High/Low Level Trigger Buzzer Control Board 3.3-5V
Development Boards & Control Boards

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Operating Voltage 3.3V - 5V DC
Trigger Mode High/Low-Level Selectable
Sound Detection Range Approx. 3-6 Meters
Interface Type 3-Pin PH2.0 Connector
PCB Dimensions 32mm x 14mm
Mounting Hole Size 3mm Diameter
Indicator LED Power and Trigger Status
Microphone Type Electret Condenser
Output Signal Digital TTL Level
Compatibility Arduino, ESP32, STM32, Pi

5 reviews

A

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for Arduino Projects

Works exactly as described. Easy to interface with my Uno board.

A

Anonymous

Mar 18, 2026

Rating: 4/5

Good sensitivity

Works well but needed to adjust the potentiometer for my room noise levels.

A

Anonymous

Feb 11, 2026

Rating: 3/5

Documentation lacking

Hardware is fine but would prefer a wiki link for wiring diagrams.

A

Anonymous

Feb 07, 2026

Rating: 5/5

Great value kit

Having both the buzzer and sensor in one pack is convenient. Solid build quality.

A

Anonymous

Feb 04, 2026

Rating: 5/5

Fast delivery

Module arrived quickly and tested positive immediately. Very responsive sensor.

5 FAQ

Q: Can I adjust sensitivity?

A: Yes, there is a potentiometer on the sensor board.

Q: Can this run on 3.3V logic?

A: Yes, it supports 3.3V to 5V input.

Q: Does it work with Python on Pi?

A: Yes, via GPIO libraries like RPi.GPIO.

Q: What is the max current draw?

A: Typically less than 30mA during trigger.

Q: Is the buzzer active or passive?

A: This kit includes an active buzzer module.

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