Amazon.com: 3PCS Mini MP3 Player Audio Module MP3 Voice Decode Board TF Card U Disk IO/Serial Port/AD Board DFPlayer Audio Voice Music Module for Arduino : Electronics
How to use the DFMini Player MP3 Module with Arduino | Arduino | Maker Pro
Simple Arduino Audio/Music Player with SD Card
Arduino RFID Reading Time Checker with MP3 Player | Hackaday.io
mp3 player | PlanetArduino
Arduino - Web-Based MP3 Player - Hackster.io
MP3 player using Arduino and DFPlayer mini - Electronics-Lab.com
DIY - Arduino MP3 Player with Control Buttons - YouTube