Not to look for the switch in the dark, to make it a backlit “Neonka” from the starter of the fluorescent lights and the resistor 100 ohms, connected in series— that’s the whole scheme. It remains only to place it in the body of the switch and drill a small hole when the key is opaque.
Recommend to read
HALLWAY: THE SIMPLEST OPTION
A characteristic feature of modern layouts of apartments — small hallways. Their owners show miracles of ingenuity in their attempts to place in a limited area sets necessary traditional...
OLD MOSCOW TRAM
In the mid 1920's, during the so-called "new economic policy" (NEP), a gradual recovery of the industry, devastated by the First world and Civil wars. The most rapidly developing...