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.
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AND A HAIRBRUSH,AND RULER
To eliminate the need to carry a ruler or tape measure, apply a linear division on the comb, which is always in my pocket. N. TURULIN, Taganrog
THE GUITAR PICCOLO
The widespread use of electric guitar inherited a system from its predecessor — the six-string Spanish guitar. In this case the highest note that you can use on the tool — usually "e" in...
