Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Operating Voltage	3.3V - 5V DC
Trigger Mode	High/Low Level Selectable
Output Signal	Digital Switch Output
Buzzer Type	Active Buzzer (Built-in)
Sensitivity Control	Adjustable Potentiometer
PCB Dimensions	32mm x 14mm x 5mm
Mounting Hole Size	3mm Diameter
Interface Type	3-Pin Header (VCC, GND, OUT)
Compatible Platforms	Arduino, ESP32, Raspberry Pi
Package Includes	1 x Buzzer Control Board

5 reviews

Anonymous

Apr 03, 2026

Rating: 5/5

Easy to Integrate

Plug and play with 5V logic. The mounting holes made it easy to secure in my enclosure.

Anonymous

Mar 26, 2026

Rating: 5/5

Great Value

Bought five for a school project. All of them worked out of the box. Highly recommend.

Anonymous

Mar 20, 2026

Rating: 3/5

Potentiometer Stiff

Functionality is good but the sensitivity knob was hard to turn initially. Works fine now.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect for DIY Alarms

Used this for a home security prototype. The trigger level is easy to adjust and it works flawlessly with my Arduino Uno.

Anonymous

Feb 20, 2026

Rating: 4/5

Good Module, Loud Buzzer

The sensor works well but the buzzer is quite loud. Great for notifications though.

5 FAQ

Q: What is the current draw?

A: Typical operating current is around 30mA when active.

Q: Does it output analog or digital?

A: This module provides a digital switch output signal.

Q: Can this run on 3.3V?

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

Q: Are headers included?

A: Yes, the 3-pin header comes pre-soldered on the board.

Q: Is the sensitivity adjustable?

A: Yes, there is a potentiometer on the board to adjust sound sensitivity.

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