Classroom management system based on Internet of Things

The utility model relates to a classroom management system based on Internet of Things, and the classroom management system is composed of a host computer, a ZigBee controller and classroom nodes. The host computer is connected with the ZigBee controller through a serial port, and a ZigBee coordinator is connected with the classroom nodes through wireless signals. On the base of the control by the wireless Internet of Tings, a classroom bell ringing system, a fire-fighting system and a security system are integrated, and more than 200 classroom nodes can be simultaneously monitored; any instruction information can be issued to any classroom, and each classroom node is independently controlled; and a host computer software is networked with a school educational administration system, so that bells ring in classrooms having lessons, and the bells do not ring in classrooms having no lessons. By employing the classroom management system, an unattended function, an auto-guarded function and an automatic alarm star