Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Interface Type | Digital Output (DO) and Analog Output (AO) |
| Sensitivity Adjustment | Adjustable via onboard potentiometer |
| Indicator LED | Power and Signal Detection LEDs included |
| Microphone Type | Electret Condenser Microphone |
| PCB Dimensions | 32mm x 16mm x 8mm |
| Mounting Holes | 4 x 3mm diameter holes for easy installation |
| Compatibility | Arduino, Raspberry Pi, ESP32, STM32 |
| Response Time | < 1ms typical response |
| Package Contents | 1x Sound Sensor Module, 1x Pin Header Set |
Anonymous
Mar 30, 2026
Rating: 5/5
Reliable clap switch component
I built a clap-switch for my lamp using this sensor. It responds instantly to claps and ignores constant humming noises. The digital output is clean and stable.
Anonymous
Mar 29, 2026
Rating: 5/5
Excellent sensitivity range
Impressed by how well this picks up quiet sounds when turned up, yet handles loud noises without saturating immediately. A must-have for any electronics hobbyist.
Anonymous
Mar 25, 2026
Rating: 4/5
Good quality, easy to use
The build quality is solid and the red PCB looks nice. It took a minute to dial in the potentiometer for my specific room environment, but once set, it triggers reliably.
Anonymous
Mar 22, 2026
Rating: 5/5
Great for school robotics
Used this for a sound-following robot project. The analog output gives great range for measuring sound intensity, not just on/off detection. Highly recommended for students.
Anonymous
Mar 18, 2026
Rating: 4/5
Solid performance
Works as described. The only minor issue is that the pin headers were not pre-soldered, but that's standard for these modules. Easy to integrate into existing code.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect for voice-activated projects
This module works flawlessly with my Arduino Uno. The sensitivity adjustment is very precise, allowing me to filter out background noise effectively. Great value for the price.
Q: Does this module output audio signals or just detection levels?
A: This module outputs detection levels via Digital (high/low) and Analog (voltage proportional to sound intensity) signals. It does not output raw audio waves suitable for recording.
Q: What is the maximum effective distance for sound detection?
A: The effective range depends on the sound volume and your sensitivity setting. Typically, it can detect normal speech or clapping from 2 to 5 meters away when adjusted correctly.
Q: Can I power this directly from a 5V USB port?
A: Yes, the module operates within a 3.3V to 5V range, so connecting it to a standard 5V USB power source is perfectly safe and recommended.
Q: Is the analog output linear with sound pressure?
A: The analog output voltage increases with sound intensity, providing a relative measure. While generally responsive, it is calibrated for detection logic rather than precise scientific decibel measurement.
Q: Do I need any external libraries to use this with Arduino?
A: No external libraries are required. You can read the digital pin using standard digitalRead() and the analog pin using analogRead() functions in the Arduino IDE.
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