Sun Lihua① Fan Tanghuai② Chen Guixiang①(①Electronic Science Engineering Department,Nanchang University, ②Nanchang College of Water Conservancy and Hydroelectric Power,Nanchang,330029)
Abstract：The paper describes an automatic report system of telephone.By means of an infra-red ray unit and a PIC16C57 single-chip computer,the system can collect sign of human body induction and control telephone dial.When a thief entered the house,the user outsid
1998, Vol. 22 