Contactless Smart Card Water-saving Control System Design, Based On The Rc500 Rf

Wireless IC smart card is playing important role in our society especially in finance and economy field. Now, our country advocates establishing an abstemious society .On this account ,the equipment for saving water merges as the times require.At first this article introduces the development of Wireless IC smart card,and its general situation of today ,then analyses wireless IC card's communication elements.Furthermore,this article introduces the hardware development and software design of the equipment for saving water which base on the chip RC500. At last ,it analyses the affluence on the wireless IC smart card system caused by hardware circumstance,and introduce the method of EMC to avoid electric and magnetic field's disturbance .