A simple water dispenser by AT89C52 single making intelligent control system， the hardware and software design process by temperature sensor DS18B20 testing temperature， and LCD1602 LCD display real-time water Only when water temperature 70 ℃ lower insufficient temperature when the water is heated to a boil， other temperature intelligent control heating system without electricity， which saves electricity and heating temperature floor can be adjusted by software Because it is using AT89C52 single as control core， so key gives its software programming thought method and the software realize the intelligent control of water This system has a circuit is simple in structure， easy for operation， hardware， low cost less， low consumption， Keywords: water dispenser; Intelligent; DS18B20; AT89C52 single
