电子冰箱显示板 温度控制，加164扩展 记忆功能 华氏度/C共用程序 -Electronic display board refrigerator temperature control, plus the expansion of memory function 164 degrees Fahrenheit/C shared procedures

上位机冰箱课程设计，可以参开这个pid的程序-Computer curriculum design can refer to the refrigerator, open the PID program