单片机与PC机串口通信程序，单片机采集温度和电压通过1602显示并传到PC上显示。1602可以换屏显示三个界面，还有修改上下门限。还有报警功能。-Microcontroller serial communication with the PC program, microcontroller collection display temperature and voltage through 1602 and reached the PC display. 1602 exchange for t

温度芯片18b20的控制，控制程序采用freescale单片机，用codeworrior编程工具编写。-18b20 temperature control chip, the control program uses freescale microcontroller programming tools with codeworrior prepared.