interactive whiteboard installation. Testing of the WOE board repository should be comprehensive. This includes comprehensive testing of pre-development design ideas, framework structure, resource content, database design, and programming. Through testing, the problems found are modified, and the problems discovered by teachers and students in actual use are analyzed and then modified.. 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.