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2022 Issue-2

Nuts and Volts Magazine

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Features

Finding the Outside Foil Lead

My methodology for identifying the outside foil lead on capacitors.

The Birth of the Integrated Circuit

The creation of the integrated circuit (IC) stands as one of the most important inventions of mankind.

Restoration of a Vintage Telefunken Gavotte 8U AM/SW/FM Receiver

Continue your exploration of the world of tube-type electronics by following along with the restoration of another classic.

Vintage Tek: Line Isolation Transformers

Don’t get burned! Isolation transformers keep you safe!

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Projects

Build a DIY Heart Sound Analyzer Using Your Laptop

Construct a novel and inexpensive medical instrument for fun, discovery, and teaching.

Build a Three-Way Antenna Switch and Display

Control antenna selection from the comfort of your shack.

Build an Electronic Tic-Tac-Toe Game

Design and build a special electronic version of this old classic.

Turn a Typewriter into a Printer

Mix old and new technology by repurposing a Smith-Corona PWP 78DS typewriter.

Build an LED Amusement Park at Home

Simulate amusement park rides at home with LEDs.

Adventures in Battery-Land — Part 2

Empower your projects with batteries.

Departments