This mouse circuit was found in the January 1997 issue of Electronics Now magazine. It uses a PIC that must be programmed according to the movements.
In the figure we have the way to adjust the output null of an operational. The configuration...
The circuit shown was found in the 1994 National Semiconductor's Linear Application Handbook. The...
This article is old, from 1994. But, for those who have an old PC and want to use a joystick from...