单片机最小系统设计，主要有时钟和温度传感器以及键盘扫描芯片。-The software in WinCE is the main control module, and periphery single chip system is the assistant module. The system includes video capture, web server and single chip system, which can catch the real time temperature

程序模拟AutoCAD中进行线的交互绘制。点可以通过使用鼠标点击屏幕，或者键盘输入来获取，绘制的同时可以使用w命令来设置线宽，c命令来设置线的颜色，o来结束绘制（回车或者ESC键也行）。VS2005 + objectARX2007环境，对arx的学习还是很有帮助的。个人。-Simulate AutoCAD draw polyline.You can select a point to draw line,at the same time,you can also set entity prope