LM393 Microphone Sound Sensor Module

Description

LM393 Microphone Sound Sensor Module. The microphone sound sensor, as the name says, detects sound. It gives a measurement of how loud a sound is.

Wiring your sensor to the Arduino is pretty straightforward:

Pin   – Wiring to Arduino
A0   – Analog pins
D0   – Digital pins
GND  – GND
VCC  – 5V

**Do not connect the OUT pin to an Arduino digital pin.

Features & Specifications
Operating Voltage: 3.3V to 5V DC
LM393 comparator with threshold preset
PCB Size: 3.4cm * 1.6cm
Induction distance: 0.5 Meter
Operating current: 4~5 mA
Microphone Sensitivity (1kHz): 52 to 48 dB
Easy to use with Micro controllers or even with normal Digital/Analog IC
Small, cheap and easily available