interactive whiteboard tools. The design of the system is closely related. In order to meet the requirements of different educational resources for users, confidentiality, copyright, etc., the resource library must have comprehensive authority division and management, and control the scope and extent of educational resources through effective control of user rights. Different courses and different teachers can access the corresponding personal resources through the registration and authentication functions of legitimate user information when using the resource library for classroom teaching.. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.