This mono circuit for 10 LEDs was found in the January 1991 Radio Electronics magazine. It is powered by 12 V.
This basic relay configuration was found in a July 1994 Electronics Now. The relay is supposed to be...
This HeNe laser power supply was found in the March 1989 issue of Radio Electronics magazine. This...
This circuit, using a unijunction transistor (UJT), converts a voltage applied to the input in a...