The DFPlayer Mini MP3 Player For Arduino is a small and low price MP3 module 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.

Application:

• Car navigation voice broadcast;
• Road transport inspectors, toll stations voice prompts;
• Railway station, bus safety inspection voice prompts;
• Electricity, communications, financial business hall voice prompts;
• Vehicle into and out of the channel verify that the voice prompts;
• The public security border control channel voice prompts;
• Multi-channel voice alarm or equipment operating guide voice;
• The electric tourist car safe driving voice notices;
• Electromechanical equipment failure alarm;
• Fire alarm voice prompts;
• The automatic broadcast equipment, regular broadcast

Technical Specifications:

• Supports sampling rates (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
• 24-bit DAC output, support dynamic range: 90dB, SNR support: 85dB
• Fully supports FAT16, FAT32 file system, maximum support 32G TF card, support U disk to 32G, 64M bytes NORFLASH
• A variety of control modes are available. IO control, serial port.
• advertising sound waiting function, the music can be suspended. when advertising is over in the music continue to play
• Audio data is sorted by folder, supports up to 100 folders, folders can be assigned to every 255 Tracks
• 30 level adjustable volume, six adjustable EQ

Documentation: 

Usage tutorial