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.
Found in a 90s Elektor, this circuit is based on a Maxim integrated circuit of the time. The...
This high power dimmer uses a unijunction transistor to trigger the triac. The triac is choosen...
This circuit was found in the August 1973 issue of Radio Electronics magazine. The Darlington...