KY-038 LM393 Digital/Analog Sound Detection Sensor Module

Product details of KY-038 LM393 Digital/Analog Sound Detection Sensor Module
Sound detection sensor module detects the intensity of sound where sound is detected via a microphone and fed into an LM393 op-amp. It comprises an onboard potentiometer to adjust the setpoint for sound level. LM393 comparator with threshold preset
Easy to use with Microcontrollers or even with normal Digital/Analog IC.

Specification of KY-038 LM393 Digital/Analog Sound Detection Sensor Module
Operating Voltage: 3.3V to 5V DC
PCB Size: 3.4cm * 1.6cm
Induction distance: 0.5 Meter
Operating current:  4~5 mA
Microphone Sensitivity (1kHz): 52 to 48 dB
VCC: The Vcc pin powers the module, typically with +5V
GND: Power Supply Ground
DO: Digital Output Pin. Directly connected to digital pin of Microcontroller
AO: Analog Output Pin. Directly connected to an analog pin of Microcontroller