Introduction

DFPlayer Mini is a small and cheap MP3 module, can be directly connects the speaker. Module with battery power supply, speaker, keys can be used alone, can also be via a serial port control, as the UNO or anything with a serial port of single chip microcomputer a module. Perfect integration module itself hard to decode MP3, WAV, WMA. Software support TF card drive at the same time, support the FAT16, FAT32 file system. Through a simple serial port can play the specified music instruction, and how to play music, and other functions, without tedious underlying operating, easy to use, stable and reliable.1, support the sampling rate (KHz) : 8/11.025/12/16/22 05/24/32/44.1/482, 24 bits DAC output dynamic range support: 90 db, SNR support: 85 db3, fully support the FAT16, FAT32 file system, the largest support 32 gb TF card, support 32 gb usb flash drive, 64 m byte NORFLASH4, a variety of optional control mode. IO control, serial port, AD button control mode5, radio call waiting function, there is background music can be suspended. Advertising is back in the background continue to play6, audio data according to the folder, maximum 100 folders, every folder can be allocated 255 tracksClass 7, 30 volume is adjustable, 6 EQ is adjustable1, vehicle-mounted navigation speech2, highway transportation inspection, toll station voice prompt3, railway station, bus station security check voice prompt4, electric power, telecommunication, finance, business hall voice prompt5, vehicle into and out of channel to verify voice prompt6, * * voice prompt frontier inspection channels7, multi-channel voice alarm or equipment operation guide voice8, electric sightseeing car security speech notices9, electrical and mechanical equipment failure alarm automatically10, fire fighting voice alarm prompt11, automatic broadcasting equipment, broadcast regularly