KY-037 High Sensitivity Sound Microphone Sensor

For sound detection module has two outputs:
1. AO, analog output, real-time output voltage signal of the microphone
2. DO, when the sound intensity reaches a certain threshold, the output high and low signal
 
Module Features:
 
1. There is a mounting screw hole 3mm
2. Power Supply: DC 5V
3. With analog output
4. There are threshold level output flip
5. High sensitive microphone and high sensitivity.
6. A power indicator light
7. The comparator output is light