[{"title":"( 3 个子文件 624KB ) 51单片机综合学习系统原理图(含最小原理图)","children":[{"title":"51单片机综合学习系统原理图(含最小原理图)","children":[{"title":"51单片机最小系统板原理图-(烧写+仿真).pdf <span style='color:#111;'> 167.29KB </span>","children":null,"spread":false},{"title":"51单片机综合学习系统原理图.pdf <span style='color:#111;'> 75.72KB </span>","children":null,"spread":false},{"title":"51系列单片机最小系统.pdf <span style='color:#111;'> 465.39KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]