Specification: Origin: Mainland China Type: Module Condition: New Open Source Mini TF MP3 Player mini Player Development Module Compatible with R3 Product Description: DFplayer Mini is a small and inexpensive MP3 module that can be connected directly to a speaker. The module can be used as a standalone module with power supply battery, speaker and buttons, or can be controlled via serial port as a module for Arduino or any microcontroller with serial port. The module itself has integrated hard decoding of MP3, WAV, WMA. The software also supports TF card driver and FAT16 and FAT32 file system. Through a simple serial command can be completed to play the specified music, and how to play music and other functions, without the need for cumbersome underlying operations, easy to use, stable and reliable. Technical specifications: 1.Support sampling rate (KHZ): 8/11.025/12/16/22.05/24/32/44.1/48 2.24-bit DAC output, dynamic range support: 90DB, signal-to-noise ratio support: 85DB 3.fully support FAT16, FAT32 file system, is a large support 32G TF card, support 32G U disk, 64M bytes of NORFLASH 4.a variety of control modes can be selected, IO control mode, serial mode, AD key control mode 5.Broadcast language interpolation function, can pause the background music being played. When the advertisement is finished, it will continue to play in the background. 6. audio data sorted by folder, is more than 100 folders, every other folder can be assigned 255 tracks 7, 30 levels of volume adjustable, 6 levels of EQ adjustable Product applications: 1.Car navigation voice broadcast 2. highway transport inspection, toll station voice prompts 3.railway station, bus station inspection voice prompts 4.electricity, communications, financial business hall voice prompts 5, vehicle into and out of the channel verification voice prompts 6.border inspection channel voice prompts 7.multi-way voice warning or equipment operation guidance voice 8, electric sightseeing car driving voice notice 9.mechanical and electrical equipment failure automatic alarm 10.Voice alarm prompts for fire fighting 11.Automatic broadcasting equipment, timing broadcast Product size: 20*20*10mm Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1*MP3 Module 1.Compact Design: The DFPlayer module features a small and compact design that makes it easy to use in various electronic projects. 2.High Compatibility: This player module board is compatible with R3 and other microcontrollers with a serial interface, providing versatility and convenience for different applications. 3.Wide File System Support: With its support for FAT16 and FAT32 file systems, this MP3 player module can read files from TF cards up to 32GB and U-disks up to 32GB, making it suitable for large storage requirements. 4.Multiple Control Modes: Users can control the MP3 voice decode board using IO mode, serial mode, or AD button control mode, providing flexibility and convenience. 5.Multiple Applications: This audio voice module board is suitable for various applications, including voice prompts for transportation, border patrol checkpoints, power, communication, and financial