Helping The others Realize The Advantages Of yealink meeting board
Digicam Pen and Dot Pattern – These interactive whiteboards Use a microscopic dot sample embedded in the composing surface area. A wi-fi electronic pen incorporates an infrared digital camera that reads the dot pattern to determine the precise area to the board.A Wii-dependent IR program was invented by Johnny Chung Lee, PhD. in 2007. Lee claimed