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March 2013

Nuts and Volts Magazine

Raspberry PI - A Good Recipe For Getting Started

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Features

Introducing Wi-Fi With the PIC 32-bit Micro Experimenter

Get ready to use your Experimenter to communicate with remote Wi-Fi sensors.


The DHT22 Humidity/Temperature Sensor Demystified

Keeping tabs on relative humidity and temperature is important in a variety of situations. Uncover the secrets of the DHT22 joint humidity/temperature sensor, to get it working for you.


Raspberry Pi, Anyone?

Get a piece of this popular DIY action by learning how to cook up your own RPi to start experimenting with.



Projects

A Recording Radiation Counter

Are you exposed? Build this unit to detect and display levels of radiation, plus you can record months of data to keep track of just how toxic areas may be or become.



Columns

TechKnowledgey
by Jeff Eckert
Events, Advances, and News (3.2013)
Slicing with sound, wireless storage for eight mobile devices, a rival for GPS, and a way to never lose anything again are just some of the interesting tidbits you can catch up on this month.

The Spin Zone
by Jon McPhalen
Pick a Card or ... Abort!!!
Learn how to make the best use of the abort coding feature to create programs with robust error handling.

Q&A
by Russell Kincaid
Reader Questions Answered Here
Solar power for microcontrollers, touch switches, tuned circuit values, remote tester problems, and a tutorial on transistor modeling are covered this month.

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 56: The Arduino Proto Shield Alarm Clock — Part 3
This time, we’ll dig deeper into the software for our Arduino based design to see what really makes it tick. Part 56

Near Space
by L. Paul Verhage
Approaching the Final Frontier
A Simple Airframe for a Simple Flight Computer or Near Space Tracker. Learn how to turn a soft-sided insulated lunch box into a cost-effective airframe for your next mission.