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May 2014

Nuts and Volts Magazine

Make Your Own Surface Mount PCBs

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Features

Do-It-Yourself Surface-Mount Printed Circuit Boards

Continue your learning journey in electronics by making your own surface-mount PCBs. t’s not as hard as you might think it is.


Calculators as Coprocessors

Connect Texas Instruments’ calculators to Arduinos to extend this open source prototyping platform’s computing power for math functions and to make graphic capabilities easier to implement.



Projects

72 Watt Constant Voltage/Constant Current Power Supply

Electronic Gadgets

This cost-effective unit will help prevent catastrophic events to components and keep your batteries charged up, as well.


Game Programming for the Arduino

Arduino

Not only is it simple to write game programs, it’s downright fun.


MakerPlot — The DIY Software Kit ... Part 8

Learn some of the specific reasons why this program is called the DIY software kit.



Columns

TechKnowledgey
by Jeff Eckert
Events, Advances, and News (05.2014)
Learn about reverse solar generation, digging up dirt on neighbors, teeny-tiny MCUs, plus some other timely topics.

Smiley’s Workshop
by Joe Pardue
The Arduino Classroom. Arduino 101/Chapter 5: Analog Output
Get your fill of the serial class of functions, the differences between analog and digital signals, and how to use these signals to control LEDs and servomotors.

The Spin Zone
by Jon McPhalen
Oh, Say, Can you I2C?
Sometimes programming aficionados assume concepts that are simple to them are understood by everybody when, in reality, they are not. I2C is one of these topics. Get up to speed on this protocol so you can spin circles around fellow enthusiasts.

Near Space
by L. Paul Verhage
A Thermometer for the Totable Thermal Vacuum Chamber
I needed to know the temperature of what was going on inside my TVC while I was running tests, instead of after the test was done. I couldn’t find an affordable thermometer that mimicked near space conditions, so I turned to a homebrew solution.