Fermion DFPlayer Pro Mini MP3 Player w/ Onboard 128MB Storage (Breakout) - RobotShop
MP3 Alarm Clock using Arduino and DFplayer - Activities - PCBway
Amazon.com: 3PCS Mini MP3 Player Audio Module with 5PCS Metal Shell Round Internal Magnet Speaker 2W 8Ohm MP3 Voice Decode Board TF Card U Disk IO/Serial Port/AD Board DFPlayer Audio Music Module
Build a MP3 player with DFPlayer and an Arduino - Rob's blog
DFPlayer Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD MP3-TF-16P for Arduino UNO: Amazon.com: Industrial & Scientific
Need help with DF Player Mini (MP3 Player) using Argon - Hardware - Particle
DFPlayer Mini TF MP3 Player Module for Micro SD Card U-Disk IO/Serial Port/AD MP3 Voice Decoder Board for Arduino - AliExpress
DFplayer Mini communication issue - Arduino - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
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