Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Signal Output | Digital Switch Output (0 and 1) |
| Sensitivity Adjustment | Adjustable via Potentiometer |
| Detection Range | Approx. 3-5 meters (depending on sound intensity) |
| Indicator LED | Yes, indicates signal output status |
| Microphone Type | Electret Condenser Microphone |
| PCB Dimensions | 32mm x 16mm x 8mm |
| Mounting Hole Diameter | 3mm |
| Compatible Platforms | Arduino, Raspberry Pi, STM32, ESP8266 |
| Application Scenarios | Clap switches, voice control, noise monitoring, security alarms |
Anonymous
Mar 26, 2026
Rating: 5/5
Perfect for my Arduino clap switch project
This module works exactly as described. The sensitivity adjustment pot makes it very easy to tune for specific environments. I used it to build a lamp that turns on with a clap, and the response time is instant.
Anonymous
Mar 22, 2026
Rating: 5/5
Great addition to my robot
I integrated this into a line-following robot to add voice command capabilities. It reacts quickly to high-pitched sounds. The build quality feels sturdy for such a low-cost component.
Anonymous
Mar 16, 2026
Rating: 5/5
Reliable and compact
The form factor is small enough to fit inside tight enclosures. I've tested it over several weeks, and the detection consistency is impressive. The digital output makes coding very straightforward.
Anonymous
Mar 14, 2026
Rating: 5/5
Excellent for learning electronics
Bought this for a university project on IoT home automation. The documentation online is plentiful, and the module integrates seamlessly with the ESP32. Highly recommended for beginners.
Anonymous
Mar 09, 2026
Rating: 4/5
Works well but range varies
Solid module overall. Just keep in mind that the detection range heavily depends on how loud the sound source is. For a normal whistle, it picks it up from about 4 meters away in a quiet room.
Anonymous
Mar 03, 2026
Rating: 4/5
Good value, needs calibration
Great little sensor for the price. Out of the box, it was a bit too sensitive, but after turning the potentiometer slightly, it works perfectly for detecting whistles without triggering on background noise.
Q: Is a library required to use this with Arduino?
A: No external library is needed. You can read the output pin using the standard digitalRead() function in the Arduino IDE, treating it like a simple button press.
Q: What is the power consumption of this module?
A: The module typically consumes less than 10mA during operation, making it suitable for battery-powered projects when paired with a sleep mode in your microcontroller code.
Q: Can this detect normal conversation levels or only loud claps?
A: By adjusting the onboard potentiometer, you can set the threshold to detect anything from loud claps to normal conversation levels, depending on your project requirements.
Q: Does this module output analog values or just digital signals?
A: This specific model provides a digital switch output (HIGH/LOW). If you require analog amplitude data, please look for our 'Analog Sound Sensor' variant.
Q: Does the package include jumper wires?
A: The standard package includes the sensor module only. Jumper wires are sold separately, but any standard male-to-female Dupont wires will work perfectly with the pin headers.
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