Specifications:
Operating voltage: DC 3.3V-5.5V
Nominal Frequency: 40KHz
PCB Size: 1.38 x 0.59 inches (35 x 15 mm) (LxW)
Fixed hole diameter: 0.1 inch (3 mm)
Note:
AO output real-time voltage signal of the microphone.
DO output low and high lever signals when sound strength reaches threshold
The sensitivity can be adjusted. Adjust the potentiometer.
Package Includes:
5 x Microphone Sensor Module
1 x 11.8" Female to Male Dupont Cable 20 Pin