Circuit Cellar Ink 240
July 2010

Table of Contents

4 CJ Abate	HTML Task Manager Circuit Cellar: The Next Iteration
Questions & Answers 8 CJ Abate	Research, Design, Write, Then Repeat An Interview With Jan Axelson Jan Axelson is the author of USB Complete (Lakeview Research, Fourth Edition, 2009), Serial Port Complete (Lakeview Research, Second Edition, 2007), and many other books and articles about hardware interfacing. Between 1997 and 2008, she wrote seven articles for Circuit Cellar. I met Jan Axelson at the April 2010 Embedded Systems Conference in San Jose, California. In a May 2010 interview, I asked Jan about topics ranging from her earliest design experiences to the future of USB technology.
10 John Gorsky	HTML New Product News The PortuxG20 miniature Linux PC from taskit GmbH CC430F513x MCUs, combining MSP430 MCU with CC1101 RF transceiver from Texas Instruments, Inc. CAPZero family of two-terminal automatic capacitor discharge ICs from Power Integrations, Inc. microOBD 200 OBD-II interface in a DIP-24 module from ScanTool.net LLC
13 David Tweed	HTML Test Your EQ
The Consummate Engineer 14 George Novacek	It All Begins With a Spec Your goal is to become a well-rounded, multidisciplinary engineer who can address hardware and software issues alike, tackle difficult design problems, and deliver quality work on a consistent basis. But achieving this goal takes time, effort, and guidance. So let's start with the basics.
16 Denny Lin	Ubuntu Webcam Server Ready to take a look inside an Ubuntu webcam server? Once you finish this project, your viewers will have access to your streaming video via any modern browser (Internet Explorer, Firefox, Safari, Opera, or Chrome) and desktop OS platform (WindowsXP, MacOS, or Linux).
28 Devlin Gualtieri	Build an X10 Controller Part 1: Circuit Design This article series details the process of building an X10 controller from start to finish. Here you learn about the circuit design before moving on to the software. Download: Gualtieri-240.zip
36 Tom Struzik	Wireless Data Exchange Build a 2,700-lb. Bluetooth Headset Building a Bluetooth-enabled device can be difficult if you don't have any experience with the technology. Finding the right module can greatly simplify the process. The Bluegiga WT32 is a highly integrated Bluetooth module that fits the bill. Here you learn how to put Bluetooth to good use. Download: Struzik-240.zip
44 Matt Bunting John Rogers	Hexapod Kinematics Motor Communication, Motion Planning, and Image Processing This article covers advanced topics in robotics applied to a completely autonomous hexapod design. The concepts of gait dynamics, feedback control, and optical flow for motion depiction are covered.
Lessons from the Trenches 54 George Martin	Put C Language to the Test Part 3: Rules and Assignments In this third part of the Sudoku problem-solving exercise, you learn about a rules package and then receive some assignments. You've put C language to the test. Now a solution is within reach. Download: Martin-240.zip
From the Bench 58 Jeff Bachiochi	Application Communication with USB Part 2: The Importance of Descriptors You know how a USB device goes through a number of states as it progresses during the enumeration process. The next topic to understand is the standard device descriptor, which is the first item in a device's datasheet. Download: Bachiochi-240.zip
Silicon Update 66 Tom Cantrell	Wall Whisperer A Fresh Take on Powerline Communication Powerline communication isn't a new concept, but as the Rodney Dangerfield of networks, it just can't get respect. So, maybe your experience with early versions was less than satisfying. Now Cypress is ready to give it another go. How about you?
74	Crossword Puzzle
78	Crossword Puzzle - Answers for Issue 239
79	Advertiser's Index / August Preview
80 Steve Ciarcia	HTML Priority Interrupt 72 Flavors and More

FTP Directory for INK 240
Follow this link to order a copy of INK 240
<<< Ink 239	Ink 241 >>>
Main Index	Author Index