交通灯控制器，还有Proteus的使用例程,是目前最好的教程.入门教程，还不错的，看看吧！-Traffic light controller, as well as the use of Proteus routine is the best course. Getting Started Guide, but also good to see you!

自己编写的一个步进电机的例程 采用汇编语言编写，-keil+proteus 51mcu