用51单片机对水温进行ad采集，并用单片机输出pwm采用pid对水温控制-MCU with 51 ad on the water temperature to collect and use the output pwm microcontroller on the water temperature control using pid

采用PID调节实现水温恒温控制，并用LCD实时显示DS18B20采集的温度-Adjust the water temperature using PID temperature control to achieve, and real-time display with LCD temperature DS18B20 collection

This an program describe Siemens microwin program of an water treatment plant-This is an program describe Siemens microwin program of an water treatment plant