Untitled

#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"

SoftwareSerial mySoftwareSerial(10, 11);
DFRobotDFPlayerMini myDFPlayer;

void setup() {
  mySoftwareSerial.begin(9600);
  Serial.begin(115200);

  if (!myDFPlayer.begin(mySoftwareSerial)) {
    Serial.println("DFPlayer Mini not detected. Check connections!");
    while (true);
  }
  myDFPlayer.volume(20);
  myDFPlayer.play(1);
}

void loop() {
}