ARDUINO LED CHASER

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This is an arduino atmega328 based audio player.The file type is wav with 8 bit format.Download the sample wav files & LIBRARIES in the link itself. CONNECTIONS PROGRAM #include <SD.h>                      // need to include the SD library #define SD_ChipSelectPin 4  //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 void setup(){   tmrpcm.speakerPin = 9; //5,6,11 or 46 on Mega, 9 on Uno, Nano, etc   Serial.begin(9600);   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   }  tmrpcm.setVolume(5);   tmrpcm.play(" electrotechysmedia1 .wav"); //the sound file "music" will play each time the arduino powers up,
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