[{"title":"( 4 个子文件 177KB ) mega2560核心板原理图,封装,引脚说明","children":[{"title":"2560核心板","children":[{"title":"核心板引脚说明.xlsx <span style='color:#111;'> 10.40KB </span>","children":null,"spread":false},{"title":"PcbLib1.PcbLib <span style='color:#111;'> 138.00KB </span>","children":null,"spread":false},{"title":"核心板引脚图.jpg <span style='color:#111;'> 172.88KB </span>","children":null,"spread":false},{"title":"Schlib1.SchLib <span style='color:#111;'> 23.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]