51单片机59秒倒计时

[{"title":"（12个子文件12KB）51单片机59秒倒计时","children":[{"title":"59秒计时器（利用软件延时）","children":[{"title":"59.plg <span style='color:#111;'>778B</span>","children":null,"spread":false},{"title":"59.M51 <span style='color:#111;'>4.72KB</span>","children":null,"spread":false},{"title":"59_Uv2.Bak <span style='color:#111;'>2.05KB</span>","children":null,"spread":false},{"title":"59_Opt.Bak <span style='color:#111;'>965B</span>","children":null,"spread":false},{"title":"59.hex <span style='color:#111;'>488B</span>","children":null,"spread":false},{"title":"59.Opt <span style='color:#111;'>976B</span>","children":null,"spread":false},{"title":"59 <span style='color:#111;'>3.27KB</span>","children":null,"spread":false},{"title":"59.c <span style='color:#111;'>1.42KB</span>","children":null,"spread":false},{"title":"59.lnp <span style='color:#111;'>21B</span>","children":null,"spread":false},{"title":"59.Uv2 <span style='color:#111;'>2.08KB</span>","children":null,"spread":false},{"title":"59.LST <span style='color:#111;'>3.90KB</span>","children":null,"spread":false},{"title":"59.OBJ <span style='color:#111;'>3.70KB</span>","children":null,"spread":false}],"spread":false}],"spread":true}]