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!

51单片机扩展ADC0802例程。学习模数转换的好例子。非常不错。喜欢学习单片机的必修课。-51 single extended ADC0802 routine. Learning a good example of analog to digital conversion. Very good. Like learning microcontroller course.