Sample code

Arduino IDE Sample code

#include <AudioAnalyzer.h>

//Version 1.3 for Spectrum analyzer

//Please download the latest library from the Product page!

Analyzer Audio = Analyzer(4,5,5);//Strobe pin ->4

RST pin ->5 Analog Pin ->5

//Analyzer Audio = Analyzer();//Strobe->4 RST->5 Analog->5

int FreqVal[7];//

void setup()

{

Serial.begin(57600); //Init the baudrate

Audio.Init();//Init module

}

void loop()

{

Audio.ReadFreq(FreqVal);//return 7 value of 7 bands pass filiter

//Frequency(Hz):63

160

400

1K

2.5K

6.25K

16K

//FreqVal[]:

0

1

2

3

4

5

6

for(int i=0;i<7;i++)

{

Serial.print(max((FreqVal[i]-100),0));//Transimit the DC value of the sev

en bands

if(i<6)

Serial.print(",");

else Serial.println();

}

delay(20);

}