[{"title":"( 3 个子文件 634KB ) 基于STM32F103C8T6的手持MP3完整PCB工程文件","children":[{"title":"Project_miniMP3_VS1003.PrjPcb <span style='color:#111;'> 40.17KB </span>","children":null,"spread":false},{"title":"miniMP3_VS1003.SchDoc <span style='color:#111;'> 508.50KB </span>","children":null,"spread":false},{"title":"PCB_miniMP3_VS1003.PcbDoc <span style='color:#111;'> 1.09MB </span>","children":null,"spread":false}],"spread":true}]