Data Sheet

1/15/2018 Gravity: Analog Sound Level Meter SKU:SEN0232 - DFRobot Electronic Product Wiki and Tutorial: Arduino and Robot Wiki-DFRobot.com
https://www.dfrobot.com/wiki/index.php/Gravity:_Analog_Sound_Level_Meter_SKU:SEN0232 2/4
(/wiki/index.php/File:SoundLevelMeterBoardConnector.png)
Sound Level Meter
Num Label Description
1 A Analog Signal Output(0.6~2.6V)
2 + Power VCC(3.3~5.0V)
3 - Power GND(0V)
Tutorial
This tutorial will show you how to use this module to measure the decibel value of surrounding environment.
Requirements
Hardware
DFRduino UNO (or similar) x 1
Sound Level Meter x1
Gravity 3P Cable (or dupont Line) x 1
Software
Arduino IDE (Version requirements: V1.0.x or V1.8.x), Click to Download Arduino IDE from Arduino® (https://www.arduino.cc/en/Main/Software%7C)
Connection Diagram
(/wiki/index.php/File:SoundLevelMeter_Application.png)
Sample Code