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May 2016

Nuts and Volts Magazine

1959 Vacuum Tube Heathkit Analog Computer Restored From The Ground Up.

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Features

The Personal Computer in Amateur Radio

A discussion about ham radio contesting programs, with an additional overview of all the myriad uses of computers in ham radio.


Old Heathkits Never Die, They Just Get Restored

If you enjoy restoring old electronic equipment, then you’re gonna love this description of bringing an EC-1 back to life.


Vintage Computing — Five More Projects for the Mentor’s Friend

Five more learning projects for the Amigo retro computer that will keep the fun going for you and your young protégé .



Projects

A Volume Controller Using Any Infrared Remote Control

Unlock better volume to your flat screen TV using any infrared remote control and your own speaker system.


1/f Random Tones — Making Fractal Music with an Arduino

Making fractal music with an Arduino utilizing a unique dice program.



Columns

TechKnowledgey
by Jeff Eckert
Events, Advances, and News (05.2016)
Information on current events, advances, and news in various technology fields.

Q&A
by Tim Brown
Reader Questions Answered Here (5.2016)
Low Battery Indicator/Battery Life

The Ham’s Wireless Workbench
by H. Ward Silver
Waves and Propagation: Part 1
Radio and wireless are all about waves and how they link distant points together. Learn about RF propagation, which is the way radio signals get from Point A to Point B.

The Design Cycle
by Fred Eady
Portable RF Mesh Alarm System Can be Monitored from Anywhere
Combine an easy to set up and use RF alarm system with a 32-bit IoT node and you get a portable 40-node RF mesh alarm system that can be monitored from anywhere in the world.

The Spin Zone
by Jon McPhalen
Simple. Practical. Propeller.
Designing your own custom templates for programming the Parallax Propeller is the way to go.

Departments

Vinyl Flashback
by Bryan Bergeron
There’s a resurgence of interest in vintage vinyl, turntables, and old-school tube amps.