audio

#include <SD.h> // need to include the SD library

//#define SD_ChipSelectPin 53 //example uses hardware SS pin 53 on Mega2560

#define SD_ChipSelectPin 53 //using digital pin 4 on arduino nano 328, can use other pins

#include <TMRpcm.h> // also need to include this library...

#include <SPI.h>

TMRpcm tmrpcm; // create an object for use in this sketch

unsigned long time = 0;

void setup(){

  tmrpcm.speakerPin = 46; //5,6,11 or 46 on Mega, 9 on Uno, Nano, etc

  //Complimentary Output or Dual Speakers:

  //pinMode(10,OUTPUT); Pin pairs: 9,10 Mega: 5-2,6-7,11-12,46-45 

  tmrpcm.volume(100);

  Serial.begin(115200);

  pinMode(13,OUTPUT); //LED Connected to analog pin 0

  if (!SD.begin(SD_ChipSelectPin)) { // see if the card is present and can be initialized:

    Serial.println("SD fail");  

    return; // don't do anything more if not

  }

  else{   

    Serial.println("SD ok");   

  }

  tmrpcm.play("song.wav");

  

  //the sound file "music" will play each time the arduino powers up, or is reset

}

void loop(){  

 

   

}

void play()

{

    tmrpcm.play("song.wav");

}