Laser pointer is equipped with remote mouse function

I believe everyone is familiar with the laser pointer used in PPT presentations. Now there is such a laser pointer thatcan not only be used on the LCD display,but also can change the icon and zoom function. Compared with ordinary laser pointers (only page turning function)),the new features are simply amazing!Interactive electronic whiteboards used in teaching and conference systems have been more and more widely used,and interactive electronic whiteboards constructed using image processing technology have also begun to be used. Thistechnology generally uses an infrared light-emitting pen to input graphics and text on the projection screen orflat、and then uses one or more cameras to capture the position and movement track of the light-emitting pen,and then uses image processing to obtain the input information of the light pen. the existing light pen is mainlycomposed of a pen tip, an adjustable or fixed length penholder, a light emitting device, a trigger switch, a handle,a control circuit and a power supply.