Speaker with Arduino and Micro SD

1#include <SD.h>                           //include SD module library
2#include  <TMRpcm.h>                       //include speaker control library
3
4#define  SD_ChipSelectPin 4                //define CS pin
5
6TMRpcm tmrpcm;                            //crete  an object for speaker library
7
8void setup(){
9  
10  tmrpcm.speakerPin  = 9;                  //define speaker pin. 
11                                          //you  must use pin 9 of the Arduino Uno and Nano
12                                          //the  library is using this pin
13  
14  if (!SD.begin(SD_ChipSelectPin)) {      //see  if the card is present and can be initialized
15    
16    return;                               //don't  do anything more if not
17  }
18  
19  tmrpcm.setVolume(6);                    //0  to 7. Set volume level
20  tmrpcm.play("1.wav");         //the sound file "1"  will play each time the arduino powers up, or is reset
21}
22
23void loop(){}