Found in the September 1992 issue of Radio Electronics magazine. This circuit generates pulses that are determined by C3. The circuit has output pulse intensity and timing adjusted by R6.
This circuit can convert an AC voltage signal into a current up to 1 A for powering a load. The...
This passive circuit was found in a 1980s documentation. The circuit serves to indicate the...
This application is not modern since few computers have parallel ports. But you can use this...