A
Anonymous
Mar 25, 2026
Rating: 5/5
Perfect for Arduino Projects
Works exactly as described. Easy to interface with my Uno board.
Description
Active Buzzer Module Passive Sound Sensor High/Low Level Trigger Buzzer Control Board 3.3-5V
Reviews
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 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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