Circuit is done as shown in the diagram. Volume can be controlled using 10K POT.
Program
Copy and paste the program to your Arduino libraries folder. Compile and upload the example code to your Arduino board. A file named “2.mp3” will be played in my code. A file named “2.mp3” should be there in your SD card. Otherwise, it will give an error.
İt’s not work stabil.
Its a demo. Please make your own modifications.