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2019 Issue-4

Nuts and Volts Magazine

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Features

Nextion Touch Screen Display — Part 1

Bring your projects into the 21st century with a touch screen display.

AC Volt/Amp Meter with Web Interface

Self-contained volt/amp meter that displays the values on a webpage via a Raspberry Pi.

Four-Position HF Antenna Switch with PC Control

Make your ham life easier with a PC controlled antenna switch.

Five More Projects for Your Amigo

New projects for Mentor’s Friend retro computer owners to explore programming and hardware interfacing with.

Turn Your Computer’s Sound Card into a Scope

Use this free software tool to gain oscilloscope skills, analyze audio signals, and measure digital signals.

DIY Biotech: Genetic Engineering with the DNA Playground

Modify E. coli bacteria to produce proteins of your choice.

The Story of the Transistor

A journey through the history that led to the most important invention of the 20th century.

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Projects

Build a Headphone Amplifier — Times 3!

Choose from three different headphone amps to suit your needs.

Build a 3D Printer Filament Scale

Always be sure you have enough filament for your print job with the Spool-Scale!

Build a Configurable Clock/Timer

You’ll be “alarmed” at all the cool features this unit has!

Departments