This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has an amplification stage for the relay. The relay is rated at 12 V.
This windshield wiper interval was found in old documentation. The NPN transistor is general...
This circuit was found in Radio Electronics magazine from September 1965. It uses a thermal...
This circuit is for an inductive charger for the previous project, which can eventually be adapted...