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.
Books and e-Books by Institute NCB 100 CIRCUITS - SHIELDS FOR ARDUINO FUN PROJECTS FOR THE...
This circuit is designed to control static loads fed by direct voltage. The circuit is from...
This circuit was found in the January 1999 issue of Electronics Now magazine. The circuit uses an...