Sound sensor - module with LM393

This sound sensor for the Arduino provides a digital OUT output. The limit for detecting the required noise level can be set using the trimmer. When sound is detected, the LED lights up and the output is in log. 0. Suitable for acoustically switched light, for example.


Technical parameters:

- comparator: LM393
- microphone: electret
- possibility to set sensitivity
- output indication: LED
- supply voltage: 4 - 6 V
- size: 32 × 17 × 15 mm

The product is not a stand-alone unit, it requires professional installation.