闭环温度控制程序，是电子工程课设的成果 可以实现a/d数据采集并显示，键盘置数并显示。采集数据与设置数据进行比较从而判断进行升温和降温。-Closed-loop temperature control procedures, electronic engineering courses is based the results can be achieved a/d data acquisition and display, keyboard and display a few home.