HDD MP3 players, schematics and source code improved version after a period of use, hard disk MP3 player, USB download function added character LCD display sub-folder features. Hardware circuit diagram. Are as follows: Support USB download function, speed 300KB/S is about character LCD display showing the song name, path name (scroll display) functions support multiple folders. A before and after the selections, pause, software volume, high, medium, bass control, bass audio and other functions.

AT89C51SND1C+硬盘MP3+原理图\说明.txt
...........................\AT89C51SND1C_MP3\MP3.h
...........................\................\file_system.c
...........................\................\IDE.C
...........................\................\Initial.c
...........................\................\keyboard.c
...........................\................\LCD.C
...........................\................\main.c
...........................\................\MP3.c
...........................\................\MP32.c
...........................\................\Usb.c
...........................\................\AT89C51SND1C.h
...........................\................\file_system.h
...........................\................\hardware.h
...........................\................\IDE.h
...........................\................\Initial.h
...........................\................\Keyboard.h
...........................\................\LCD.H
...........................\................\MASS_STORAGE.H
...........................\................\UNICODE.H
...........................\................\USB.H
...........................\................\MP3_Uv2.Bak
...........................\................\MP3.plg
...........................\................\MP3.M51
...........................\................\MP3.hex
...........................\................\main.LST
...........................\................\main.OBJ
...........................\................\IDE.LST
...........................\................\IDE.OBJ
...........................\................\file_system.LST
...........................\................\file_system.OBJ
...........................\................\Initial.LST
...........................\................\Initial.OBJ
...........................\................\keyboard.LST
...........................\................\keyboard.OBJ
...........................\................\MP3.LST
...........................\................\MP3.OBJ
...........................\................\LCD.LST
...........................\................\LCD.OBJ
...........................\................\Usb.LST
...........................\................\Usb.OBJ
...........................\................\MP3
...........................\................\MP3.Uv2
...........................\................\MP3_Opt.Bak
...........................\................\MP3.Opt
...........................\AT89C51SND1C+硬盘MP3+原理图.jpg
...........................\AT89C51SND1C_MP3
AT89C51SND1C+硬盘MP3+原理图

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