How to Play Audio with Arduino UNO and DFPlayer Mini – Step‑by‑Step Guide

About this project

Hello friends, today in this video, I show you how to Play audio file by using Arduino and Df player. The DFPlayer Mini is a small and low cost MP3 module player with an simplified output directly to the speaker. The module can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with an Arduino UNO or any other with RX/TX capabilities.For making this, I am using:-

1- Arduino UNO

2- Df Player Mini

3- Speaker

4- Jumper wires

5- Bread Board

Code

• Code

CodeArduino

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

// Use pins 2 and 3 to communicate with DFPlayer Mini
static const uint8_t PIN_MP3_TX = 2; // Connects to module's RX 
static const uint8_t PIN_MP3_RX = 3; // Connects to module's TX 
SoftwareSerial softwareSerial(PIN_MP3_RX, PIN_MP3_TX);

// Create the Player object
DFRobotDFPlayerMini player;

void setup() {

  // Init USB serial port for debugging
  Serial.begin(9600);
  // Init serial port for DFPlayer Mini
  softwareSerial.begin(9600);

  // Start communication with DFPlayer Mini
  if (player.begin(softwareSerial)) {
   Serial.println("OK");

    // Set volume to maximum (0 to 30).
    player.volume(30);
    // Play the first MP3 file on the SD card
    player.play(1);
  } else {
    Serial.println("Connecting to DFPlayer Mini failed!");
  }
}

void loop() {
}

Schematics