This circuit was found in a Radio Electronics magazine from June 1962. The circuit is for cars of the time with platinum ignition. The indication is made on an analog instrument.
This charger for a maximum current of 15 A was obtained from an American 80's schematics. The triac must...
This simple photometer uses a 1 mA milliammeter and a common phototransistor. The circuit has its...
Indicated for stereophonic sound applications, this circuit was found in the April 1983 issue of...