High Sensitivity Microphone Sensor
The module has two outputs:
AO, analogue output, a real-time output voltage signal of the microphone
DO, when the sound intensity reaches a certain threshold, the output high and low signal [threshold – sensitivity can be adjusted via potentiometer]
Module features:
3mm mounting screw holes
Use 5v DC power supply
Analog Output
Flip threshold level output
High sensitive microphone and high sensitivity.
Power indicator
Comparator output indicator lamp
WIFI Internet of Things development board based ESP8266