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Lightning Screen
by Harry Goldman
For those interested in high voltage phenomena, this device will prove to be an impressive performer. Page 38
Properly Selecting Electronic Components: Part 2
by Vaughn D. Martin
This month's tutorial covers capacitors and inductors. Page 57
Experiments with Alternative Energy
by John Gavlik
Learn the fundamentals of renewable Energy with this new educational series. This month: Solar Energy. Page 68
NixieNeon Clock
Nuts & Volts Special
by Joe Croft
Time for another cool clock design using nixie tubes. Page 42
TestMaster Quiz Box
Electronic Gadgets
by John L. Brittan
Run your own game shows at home with this fun build. Page 48
Techknowledgey
by Jeff Eckert
TechKnowledgey 2009 | August 2009
Topics covered include lasers with curves, the smallest DC/DC concerter, quantum error suppression, plus other info you won't want to miss. Page 12
PICAXE Primer
by Ron Hackett
Programming Your Serialized LCD Display
This month we’re going to turn our attention to some of the details of programming the display. Specifically, we’ll investigate two of the most useful features of LCD displays: scrolling a long line of text across the relatively small width of the display and creating custom characters to enhance the functionality of the display. Page 15
Personal Robotics
by Samuel Aaron Ward
Solar Tracker
Phrases such as “going green” and “carbon footprint” have become ubiquitous and even trendy. The United States Green Building Counsel (USGBC) has even developed a green building rating system called LEED by which new buildings are designed to be as energy efficient as possible. Those with the knowledge to innovate technologies for renewable resources might soon find themselves highly sought after! Page 22
Q&A
by Russell Kincaid
Q&A | August 2009
Audio comb filter, high current/low voltage amp, time delay circuit, plus more. Page 30
The Design Cycle
by Fred Eady
USB To Ethernet Using Microchip’s Free Stacks: Part 1
This month, the mountain man is coming to town as the coders at Microchip have put together a brand new TCP/IP Stack to support the new Ethernet ICs and wireless Ethernet modules that are coming out of the pipe. Page 74
Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop: An AVR C Programming Series (Part 13)
More ALP Projects. Page 80
Open Communication
by Louis E. Frenzel
How To Achieve One Gigabit Per Second Data Rate Over Wireless
Longer distances, interference, and other environmental issues usually prevent that, but what we get is typically enough. With the new 802.11n standard, Wi-Fi speeds will be going up as more of the access points adopt the multiple input multiple output (MIMO) technology that will make 100+ Mbps common. Page 85
Developing Perspectives
by Bryan Bergeron
Please visit our Developing Perspectives blog to read the full article and comment. Page 8
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