smart boards in the classroom. Simulation, teaching games, intelligent coaching, problem solving, micro-world, virtual laboratory, situational learning, case study, second chapter literature discussion. 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.