Description
1, AO, analog output, real-time output voltage signal of the microphone
2, DO, when the sound intensity reaches a certain threshold, the output signal [high and low threshold – Sensitivity adjustment by potentiometer]
Module features:
1, there is mounting screw holes of 3mm.
2, using the 5v DC power supply.
3, the analog output.
4, there is a threshold level output flip.
5, High sensitivity microphone, high sensitivity.
6, a power indicator light.
7, the comparator output indicator lamp.
