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December 2015

Nuts and Volts Magazine

What if you could build your own technology mentoring platform in a single afternoon, then spend hours of fun with your child or grandchild making simple computer games or exploring computer-controlled hardware circuits together? The Amigo might be just what you need!

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Features

Building a Propeller-Based Mentoring Platform

What if you could build your own technology mentoring platform in a single afternoon, then spend hours of fun with your child or grandchild making simple computer games or exploring computer-controlled hardware circuits together?



Projects

Automatic Hallway Light

Deck your halls with automatic lighting so you don’t have to “go dark” anymore.


Fax On! Fax Off! The Faxer

Don't let your fax machine hijack your phone line. Make this custom switch to disconnect it, when not in use.


The Smart Doorbell — A Simple Programmable Relay Project

Programmable relays are microcontroller-based devices that can replace older hard-wired electromechanical control systems. A single programmable relay can replace an array of relays, timers, and counters.



Columns

Q&A
by Tim Brown
Reader Questions Answered Here (12.2015)
Plain Old Telephone Service blues, CPLDs versus FPGAs, and a sump pump alarm for when a breaker trips are the topics this time.

The Spin Zone
by Jon McPhalen
Some Like It Hot
Temperature and humidity monitoring using the SHT11 module.

Near Space
by L. Paul Verhage
Showing Teachers One Way to Incorporate Near Space.
BalloonSats are a fantastic STEM activity for students of all ages, but first, teachers need to know how to design, build, test, and fly them.

Practical 3D Printing
by Chuck Hellebuyck
Fabrikator Mini
This 3D printer is open source and the perfect size for your benchtop.

The Design Cycle
by Fred Eady
Automagic with the MPLAB Code Configurator.
Join us as we put the Microchip MPLAB Code Configurator through its paces.

TechKnowledgey
by Jeff Eckert
Events, Advances, and News (12.2015)
This time, read about looney tonnes, mini Android PCs, worlds most powerful laser, the top 10 world changers, plus some other neat stuff.

Departments

For Learning, Old School Can be the Best School
by Bryan Bergeron
When I started out in electronics, my “junk box” of rescued parts from TVs, radios, and the like was the source of endless projects and test instruments.