This circuit visually indicates that a high voltage is present in an outlet or other point. The neon lamp is common, and the appearance of the assembly is suggested in the same figure.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This circuit is from a 1995 documentation. Several CMOS integrated circuits are used to produce...
This regulator circuit was found in the June 1984 issue of Radio Electronics magazine. The LM11 is a...