In this article you will find out what a sound sensor is and how to use it
The sound sensor allows us to detect the sound that exceeds the specified level, through the microphone.
Technical description:

- Working voltage: 3.3V ~ 5.5V
- Current consumption: 1.4 mA
- Interface or output signal type: digital signal

Principle of operation

The LM393 sensor allows you to determine the sound (noise) through the microphone that exceeds the specified level. For example, to determine the moment the motor is turned on, the crying of the child and other sources of sound. The noise level is determined by adjusting the potentiometer on the module. In addition, the module has an LED that glows when sound is detected. There is also a second LED to indicate power.

Diagram of connecting the sound sensor to controller R:ED One

Program example
R:ED Code

Technical support

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