[{"title":"(3个子文件164KB)单片机扫描键盘按键板Protel99se设计硬件原理图PCB文件.zip","children":[{"title":"PanelKeyboard.ddb <span style='color:#111;'>540.00KB</span>","children":null,"spread":false},{"title":"PTS_PanelKeyboard_v2.0.PCB <span style='color:#111;'>320.62KB</span>","children":null,"spread":false},{"title":"PTS_PanelKeyboard_v2.0.Sch <span style='color:#111;'>21.97KB</span>","children":null,"spread":false}],"spread":true}]