Digicam Pen and Dot Pattern – These interactive whiteboards Possess a microscopic dot sample embedded while in the writing surface area. A wi-fi digital pen incorporates an infrared digital camera that reads the dot sample to determine the exact location on the board. A Wii-based mostly IR method was invented https://interactive-whiteboard02467.blogscribble.com/34231354/the-5-second-trick-for-yealink-meeting-board-86