Abstract
In recent years,along with the socialized reforms of the rear service,most universities and colleges have set no limit to the electricity consumed by students.A large number of high-power electrical appliances began to use illegal influx of college students apartment,it brings about fires in dormitories frequently.It Seriously endangers the physical safely of students and the college's reputation.The safe usage of electricity in university students' dormitories becomes an increasingly hot issue these days.Accordingly,how to identify these loads accurately and rapidly,as well as the electric circuit intelligently controled is the investigative content of dissertation.To the size of a small single-chip,full-featured,low cost,easy development of a number of advantages in favor of electronic systems designers.In this dissertation,the MCU of STC12C5410AD as the master chip,by identifying the commonly load and the unsafe load what used by students in the dormitories, then control the circuit open or colose,and for the purpose of using electricity safely.
