This flasher for incandescent lamps was found in Radio Electronics magazine from July 1968. The frequency and duration of the pulses are adjusted in R1 and R3 depending also on C1.
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...
This solid-state relay circuit (SSR) or shield is from a 1995 Electronics Now. With it we can...
This configuration was found in Raytheon's circuit manual from the 1960s. The circuit has an...