[{"title":"( 4 个子文件 492KB ) 基于STC12C5A60S2-LQFP设计音乐频谱-PCB及代码-电路方案","children":[{"title":"MUSIC.zip <span style='color:#111;'> 59.47KB </span>","children":null,"spread":false},{"title":"Fv3g5RZlN3MJnWoF2eFNgI58O83h.png <span style='color:#111;'> 115.48KB </span>","children":null,"spread":false},{"title":"Sheet1.pdf <span style='color:#111;'> 795.34KB </span>","children":null,"spread":false},{"title":"FtWsBSDlt0OU5jekDGDXP3hgrszH.png <span style='color:#111;'> 64.75KB </span>","children":null,"spread":false}],"spread":true}]