Water Controller Base On MF1 RF Card To Develop

With the increasing shortage of water resources, water conservation has become a important issues to a unit and whole nation. Now many enterprises gradually establish a water management systems base on RF card technology, complete with RF card to pay water consumption, and the authentication function, significantly improved water management.RF card technology has been successfully applied in many areas. At present, Mifare 1 non-contact interface standard has become the international standard. MF1 technology has also become increasingly popular in china. the subject point out shortcoming of water controller on the current market, And an analysis of RF cards used in water control system of technical difficulties and points.1 .Aim to wet environment suitable for the poor, the lower the reliability of data recovery, network performance bottlenecks, lack of versatility, and so on, This paper gives to system overall project designs including hardware and software design.2.The hardware circuit includes: power supply circuits, display circuit, the pulse of water detection circuit, valve ball drive circuit, the data storage circuit, the clock generator circuit, MF1 RF card drive circuit, antenna circuit, CAN bus communication interface circuits, and so on.3.The software design includes: reading and writing card processes, the information storage program, encryption programs, CAN application layer protocol, and so on.In order to suit this product end-user exploitation conditions, in the test procedure simulates the user extreme operating conditions to carry on the use test to the product, obtains the actual product's technical performance target, the test result indicated that the design prototype has achieved the design requirements.