✍ This module allows you to detect when sound has exceeded a set point you select. Sound is detected via a microphone and fed into an LM393 op amp.

The sound level set point is adjusted via an on board potentiometer. When the sound level exceeds the set point, an LED on the module is illuminated and the output is sent low.



▼ Features
Output digital & analog
Single channel signal output
Adjustable sensitivity (shown in Blue digital potentiometer adjust)
Detect the intensity of the environment sound
Onboard audio power amplifier LM393
Mounting hole convenient installation
Signal indicator LED light
Can be used for Acoustic control light, give sound and light alarm working with Photosensitive sensor ,and sound
control,sound detect


Note: This sensor only recognizes the availability of sound (vibration principle) can not identify the size of the sound or the specific frequencies of sound.


▼ Specifications
Operating voltage 3.3 - 5V DC
Output: Digital & Analog
Dimensions: 3.2 x 1.7cm

▼ Package Included
1 x Sound Module