该系统以AT89S51为主控制器实现对整个系统的控制，并用液晶显示器显示温度。本系统主要由AT89S51芯片、温度采集电路、显示电路、执行电路、报警电路组成-The system controller AT89S51-based control of the entire system, and LCD temperature display. The system is mainly by the AT89S51 chip temperature acquisition circuit, display circuit, the implementation of the circuit, alarm circuit