08 DEVELOPING
PERSPECTIVES
10 READER FEEDBACK
12 TechKnowledgey 2011
Events, Advances, and News
This month, read about the dawn of the age
of millimeter computing, automated
electronics recycling, an enhanced Bluetooth
headset, plus some other interesting stuff.
16 The Design Cycle
Advanced Techniques for Design Engineers
Riding an RF Energy Harvester.
24 Q & A
Reader Questions Answered Here
A comb filter design, video amp, and a
hysteresis circuit are some of the
things you’ll learn about this time.
30 NEW PRODUCTS
32 SHOWCASE
36 How I Scratch-Built a Five Foot
Long Radio-Controlled Submarine
In this three-part series, youЃfll follow MichaelЃfs
journey as he details how he constructed his own
Alfa submarine.
By Michael Wernecke
42 Build Your Next Project
With a Little Jewelry
Give your projects a different kind of bling with
this unique method for making more reliable
interconnections between chip pins and
discrete components.
 By John Fattaruso
46 Creating a Chipino Shield
Get a quick introduction on how to create a
shield that fits the needs
50 Smiley’s Workshop
Programming • Hardware • Projects
USB to UART for Electronic Prototyping —
Part 2.
58 The Spin Zone
Adventures in Propeller Programming
Wrangling the 1-Wire Buss.
66 ELECTRO-NET
67 Near Space
Approaching the Final Frontier
Programming the Nearspace Ultralight.
72 NV WEBSTORE
76 CLASSIFIEDS
78 TECH FORUM
81 AD INDEX