Overview | Walkmp3rson: Personal MP3 'Tape' Player | Adafruit Learning System
DIY Pocket MP3 Player | Hackaday
Friday Fun: DIY MP3 Player
Amazon.com: ALAMSCN Mini MP3 Player Module Dfplayer Audio Music Modules Voice Decode Board TF Card U Disk IO/Serial Port/AD Board with 2W 8Ohm Speaker Round for Arduino DIY (3pcs MP3 Player +