Energy-saving system for classroom based on campus card

Introduces the common existed problem that lights work in classroom with nobody, analyzes several traditional solutions and their deficiencies, then puts forward the energy-saving system for classroom based on campus card. The project is based on the Campus Card System, which is mature and has been widely used, in combination with Ethernet, RF wireless communications technology, as well as the development of PC software for database management and other operations, to achieve a complete classroom energy saving system. System controls the master classroom power on and off by detecting the presence of the card, and effectively solve this problem. This system is characterized by simple-use and low-cost renovation.