NHBoard touch sensitive whiteboard is made of a flexible film, 2
resistive films and a hard backboard. The back of flexible film and
the front of the hard backboard have a resistive film respectively
and there is a tiny air gap between them. The air gap would be
closed when pressure is applied to the surface. The two resistive
films touch at one point, which converted to a serial data stream
and then send to a computer for further processing. It is finger
and pen with soft stick system..
