Example Code for Arduino-Play Music

Last revision 2025/12/19

When powering on, the module enters music mode and starts playing audio files, the current operation will be printed on the serial port.

Hardware Preparation

Software Preparation

Wiring Diagram

Connection

Other Preparation Work

  • Before using, please connect the module to a PC with an USB cable, and save audio files into the module storage.
  • Suggest using a 4 Ω 3W speaker.

Sample Code

/*!
 *@file play.ino
 *@brief Music Playing Example Program
 *@details  Experimental phenomenon: control MP3 play music, obtain song information
 *@copyright  Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
 *@license     The MIT license (MIT)
 *@author [fengli]([email protected])
 *@version  V1.1
 *@date  2021-10-15
 *@url https://github.com/DFRobot/DFRobot_DF1201S
*/


#include <DFRobot_DF1201S.h>
#include <SoftwareSerial.h>

SoftwareSerial DF1201SSerial(2, 3);  //RX  TX

DFRobot_DF1201S DF1201S;
void setup(void){
  Serial.begin(115200);
  DF1201SSerial.begin(115200);
  while(!DF1201S.begin(DF1201SSerial)){
    Serial.println("Init failed, please check the wire connection!");
    delay(1000);
  }
  /*Set volume to 20*/
  DF1201S.setVol(/*VOL = */20);
  Serial.print("VOL:");
  /*Get volume*/
  Serial.println(DF1201S.getVol());
  /*Enter music mode*/
  DF1201S.switchFunction(DF1201S.MUSIC);
  /*Wait for the end of the prompt tone */
  delay(2000);
  /*Set playback mode to "repeat all"*/
  DF1201S.setPlayMode(DF1201S.ALLCYCLE);
  Serial.print("PlayMode:");
  /*Get playback mode*/
  Serial.println(DF1201S.getPlayMode());
  
  //Enable amplifier chip 
  //DF1201S.enableAMP();
  //Disable amplifier chip 
  //DF1201S.disableAMP();
}

void loop(){
  Serial.println("Start playing");
  /*Start playing*/
  DF1201S.start();
  delay(3000);
  Serial.println("Pause");
  /*Pause*/
  DF1201S.pause();
  delay(3000);
  Serial.println("Next");
  /*Play the next song*/
  DF1201S.next();
  delay(3000);
  Serial.println("Previous");
  /*Play the previous song*/
  DF1201S.last();
  delay(3000);
  Serial.println("Start playing");
  //Fast forward 10S
  DF1201S.fastForward(/*FF = */10);
  //Fast Rewind 10S
  //DF1201S.fastReverse(/*FR = */10);
  //Start the song from the 10th second 
  //DF1201S.setPlayTime(/*Play Time = */10);
  
  Serial.print("File number:");
  //Get file number
  Serial.println(DF1201S.getCurFileNumber());
  
  Serial.print("The number of files available to play:");
  //The number of files available to play
  Serial.println(DF1201S.getTotalFile());
  
  Serial.print("The time length the current song has played:");
  //Get the time length the current song has played 
  Serial.println(DF1201S.getCurTime());
  
  Serial.print("The total length of the currently-playing song: ");
  //Get the total length of the currently-playing song 
  Serial.println(DF1201S.getTotalTime());
  Serial.print("The name of the currently-playing file: ");
  //Get the name of the playing file 
  Serial.println(DF1201S.getFileName());
  delay(3000);
  //Play the file No.1, the numbers are arranged according to the sequence of the files copied into the U-disk 
  DF1201S.playFileNum(/*File Number = */1);
  //Play the test.mp3 file in test folder 
  //DF1201S.playSpecFile("/test/test.mp3");
  
  while(1);
  /*Delete the currently-playing file */
  //DF1201S.delCurFile();
}

Result

The speaker plays music and the serial port prints information.
Result

Was this article helpful?

TOP