[{"title":"( 3 个子文件 739KB ) AC220V+DC24V电源继电器控制板Protel99se设计硬件原理图PCB文件.zip","children":[{"title":"PTS_PowerControl_v4.0.PCB <span style='color:#111;'> 108.36KB </span>","children":null,"spread":false},{"title":"PTS_PowerControl_v4.0.Sch <span style='color:#111;'> 16.55KB </span>","children":null,"spread":false},{"title":"PowerControl.ddb <span style='color:#111;'> 3.79MB </span>","children":null,"spread":false}],"spread":true}]