一个简单的类函数，新手必看用的是单片机软件，程序很中庸-A simple class of functions, Xinshoubikan with the SCM software, the program is very moderate

Delphi:Delphi模拟交通信号红绿灯的控制程序，设定倒计时，时间到则亮起对应的信号灯，改进一下写进单片机哦。 -Delphi: Delphi simulated traffic signal lights control procedures, set the countdown time to the corresponding lights illuminate improve written about SCM, oh.