Group: 软件工程师讨论团..
Overview

用8255A口的PA7,PA6,PA5控制南北方向的红,黄,绿灯.用8255A的PA0,PA1,PA2控制东西方向的红,黄,绿灯,控制方式为:东西方向通行30秒后,黄灯亮1秒,再南北方向通行30秒后,...
Milestone (Today is 2008-11-23, Sun)

No upcoming milestones in the next 2 weeks.
More......

My Tasks

I haven't any ongoing tasks in this project now.
More......

Latest Activities