本工程在mega16单片机上实现MP3的播放，MP3解码器采用VS1003芯片硬件解码，mega16作为主控和显示以及读取SD卡的数据。-Mega16 this project to achieve single-chip MP3 player, MP3 decoder chip using VS1003 hardware decoder, mega16 as a control and display, as well as read data from SD cards.