[{"title":"( 5 个子文件 3.66MB ) 89c51单片机开发板最小系统板ALTIUM设计硬件原理图PCB+3D集成封装库文件.zip","children":[{"title":"89c51.SchDoc <span style='color:#111;'> 157.00KB </span>","children":null,"spread":false},{"title":"单片机最小系统.pdf <span style='color:#111;'> 377.91KB </span>","children":null,"spread":false},{"title":"单片机最小系统.IntLib <span style='color:#111;'> 1.17MB </span>","children":null,"spread":false},{"title":"89c51.PcbDoc <span style='color:#111;'> 2.67MB </span>","children":null,"spread":false},{"title":"单片机最小系统.PrjPCB <span style='color:#111;'> 30.54KB </span>","children":null,"spread":false}],"spread":true}]