interactive whiteboard for schools. The "component" combination and installed collection of teaching resources is a combination of "components" for a certain theme. "Components" contain certain processes and structures. The difference from traditional "courseware" is that its structure is fragmentary, modifiable, linkable, and has no extra head and tail packaging and background, which is easy to apply in the difficulty of knowledge. The training of specific skills and techniques, the teaching of abstract ideas and the construction of scenarios; the difference between "components" and traditional "micro-courses" is that they have certain integration and can be easily assembled into "courseware". At the same time, it The included process can be adjusted, and the included "components" can be deleted and replaced with high flexibility.. 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.