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.
This circuit uses one of the first commercial transistors, availble in 1958, year of the...
The circuit presented is from 1994 and can be developed with more modern operators. We found the...
The operational amplifier used in this circuit from a documentation from the 70s is no longer easy...