What is a digitizer?

Digitizer is widely used in industries such as digital mapping, clothing CAD and GIS. It is an external device that digitizes the position of a point on a plane and transmits the coordinate data to a computer for processing. Han-Bond D-A0 adopts the principle of electromagnetic induction. It is mainly composed of a grid array composed of metal conductors, a point collection device (cursor), and a control and processing circuit. The cursor can move freely on the surface above the grid plate and emit electromagnetic waves, receive signals through the grid plate, and then process the phase and amplitude of the received signal to obtain the coordinate value of the cursor cross wire on the digitizer board, and use specific data The format is transmitted to the computer for processing through the RS232 serial port.