20PCS Mini MP3 Player Module TF Card U Disk Mini MP3 Player Audio Voice Module Board For DFPlayer

Features DFPlayer Mini is a compact and inexpensive MP3 module can be connected directly to the speaker Module with battery power supply speaker keypad can be used alone or through the serial port control as the for ArduinoUNO or any microcontroller with a serial port module The module itself perfectly integrated hardware decode MP3 WAV WMA s While the software supports TF card driver to support FAT16 FAT32 file system Can be done by simple serial command plays the specified music as well as how to play music and other functions without tedious low level easy to use stable and reliable Technical Specifications 1 Supports sampling rates KHz 8 11 025 12 16 22 05 24 32 44 1 482 24 bit DAC output dynamic range support 90dB SNR support 85dB3 Fully supports FAT16 FAT32 file system maximum support 32G TF card support U disk to 32G 64M bytes of NORFLASH4 A variety of control modes are available IO control mode serial mode AD key control mode5 The broadcast language spots feature you can stop the background music being played Advertising finished playing back background sound to continue playing6 The audio data is sorted by folder supports up to 100 folders folders can assign every 255 Tracks7 30 level adjustable volume adjustable EQ 6Application 1 Car navigation voice broadcast2 Road transport inspectors toll voice prompts3 Train station bus station voice prompts security check4 Electric power telecommunications financial o