Projects & Features
40 Introducing Wi-Fi With the
PIC 32-bit Micro Experimenter
Get ready to use your Experimenter to
communicate with remote Wi-Fi sensors.
■ By Tom Kibalo
50 The DHT22 Humidity/Temperature
Keeping tabs on relative humidity and
temperature is important in a variety of
situations. The DHT22 is a recent contribution
to the lineup of joint humidity/temperature
sensors, and is particularly attractive to DIYers
thanks to its low cost. Uncover its secrets to get
it working for you.
■ By Thomas Henry
54 Raspberry Pi, Anyone?
Get a piece of this popular DIY action by
learning how to cook up your own RPi to
start experimenting with.
■ By Craig A. Lindley
10 TechKnowledgey 2013
Events, Advances, and News
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.
14 The Spin Zone
Adventures in Propeller Programming
Pick a Card or ... Abort!!!
Learn how to make the best use of the abort
coding feature to create programs with
robust error handling.
Reader Questions Answered Here
Solar power for microcontrollers, touch switches,
tuned circuit values, remote tester problems,
and a tutorial on transistor modeling are covered
60 Smiley’s Workshop
Programming • Hardware • Projects
The Arduino Proto Shield Alarm Clock — continued.
This time, we’ll dig deeper into the software
for our Arduino based design to see what really
makes it tick.
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.
74 NV WEBSTORE
78 TECH FORUM
80 AD INDEX
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6 March 2013