Hot selling spot sound sensor module/sound detection module whistle module sound control switch output high and low level DIY

Product Features

1. It can detect the sound intensity of the surrounding environment. Note that this sensor can only recognize the presence or absence of sound (based on the principle of vibration) and cannot recognize the size or specific frequency of sound

2. Adjustable sensitivity (blue digital potentiometer adjustment in the figure)

3. Operating voltage: 3.3V-5V

5. Output format: Digital switch output (0 and 1 high and low levels)

6. Equipped with fixed bolt holes for easy installation

7. Small PCB size: 3.2cm * 1.7cm

Module wiring instructions

1. VCC external 3.3V-5V voltage (can be directly connected to 5V and 3.3V microcontrollers)

2. GND external connection GND

3. OUT small board switch output interface (0 and 1)

Instructions for Use

1. The sound module is sensitive to environmental sound intensity and is generally used to detect the sound intensity of the surrounding environment.

When the ambient sound intensity does not reach the set threshold, the OUT module outputs a high level. When the ambient sound intensity exceeds the set threshold, the OUT module outputs a low level;

3. The digital output OUT of the small board can be directly connected to the microcontroller to detect high and low levels, thereby detecting environmental sounds;

Shipping List:

One sound sensor

Module circuit diagram

Actual product photos

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Official Certificate&Certificate

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