[{"title":"( 5 个子文件 2.02MB ) 高速端口USB2.0 数据通信硬件设计(原理图、设计说明、bom)-电路方案","children":[{"title":"FvS8UYNgQzpn8mee5oT3rE_XPcPz.png <span style='color:#111;'> 97.89KB </span>","children":null,"spread":false},{"title":"用户指南等.zip <span style='color:#111;'> 1.34MB </span>","children":null,"spread":false},{"title":"FtEmx9SBbCsQSY4ZPSSuvBZrfHcL.png <span style='color:#111;'> 249.90KB </span>","children":null,"spread":false},{"title":"BOM清单.zip <span style='color:#111;'> 8.87KB </span>","children":null,"spread":false},{"title":"电路原理图设计.zip <span style='color:#111;'> 337.92KB </span>","children":null,"spread":false}],"spread":true}]