Microphone Sound Sensor Voice Detection Module with Analog Out for DIY Projects.
Can be used to detect the sound intensity of ambient.
With analog output and threshold level output flip.
High sensitivity and high efficiency.

Has two outputs: AO, analog output, real-time output voltage signal of the microphone; DO, when the sound intensity reaches a certain threshold, the output high and low signal
Durable and reliable to use
Has 3mm mounting screw hole
Uses 5V DC power supply
Has power indicator light
The comparator output is light

Package Includes:
8 * KY-037 High Sensitivity Sound Microphone Sensor Detection Module