对温度精确控制.采用高性能的温敏电阻实时采集热水器内水温,将温度信号转变为电压信号后送单片机处理,可用高清晰度的数码管进行实时显示.-Precise control of temperature. The use of high-performance real-time acquisition of thermo-sensitive resistance heater inside the water temperature, the temperature signal into a vol