وحدة مشغل ملفات mp3

				
					#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"
SoftwareSerial mySoftwareSerial(10, 11); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
int Pause = 6;
int track1 = 5;
int track2 = 4;
int track3 = 3;

void setup(){
    pinMode(Pause, INPUT_PULLUP);
    pinMode(track1, INPUT_PULLUP);
    pinMode(track2, INPUT_PULLUP);
    pinMode(track3, INPUT_PULLUP);
    mySoftwareSerial.begin(9600);
    Serial.begin(115200);
    Serial.println();
    Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)")); //checking if the dfplay is connected and ready to play
    if (!myDFPlayer.begin(mySoftwareSerial)) {  //Use softwareSerial to communicate with player.
      Serial.println(F("Unable to begin:"));
      Serial.println(F("1.Please recheck the connection!"));
      Serial.println(F("2.Please insert the SD card!"));
      while(true);}
    Serial.println(F("DFPlayer Mini online."));
    delay(500);}

void loop(){
  if (digitalRead(track1) == LOW) { myDFPlayer.play(1); delay(1000);} // button track1 is pressed play song 1
  else if (digitalRead(track2) == LOW) { myDFPlayer.play(2); delay(1000);} // button track2 is pressed play song 2
  else if (digitalRead(track3) == LOW) {myDFPlayer.play(3); delay(1000);} // button track3 is pressed play song 3
  else if (digitalRead(Pause) == LOW){myDFPlayer.pause();}} // button Pause is pressed pause all