网络卖的最好的MP3学习板原理图、PCB图和源程序，都经过测试验证，采用AT89C51SND1C，是不可多得的资料。-Network of the best selling MP3 Learning board schematics, PC

Packet : 54927620AT89C51SND1_mp3.rar filelist
博创MP3电路.rar
博创MP3程序.rar
我的MP3板子.DDB

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