Design and Analysis of Intelligent Control Circuit for Classroom Lighting and Fan

Due to the large number of classrooms in the university, there is no guarantee that the staff can turn off the power in time, and there is no guarantee that the classroom administrator can track the location in real time, leading to many classrooms often empty lighting, a very waste of energy. This paper based on AT89S52 single-chip microcomputer, taking the university classroom as an example, designed the intelligent control circuit of the light and the fan, which can realize the energy saving and the labor cost reduction.