Issue #240 July 2010 Theme: Internet & Connectivity TASK MANAGER—Circuit Cellar: The Next Iteration, by C. J. Abate, p. 4 QUESTIONS & ANSWERS—Research, Design, Write, Then Repeat: An Interview With Jan Axelson, by C. J. Abate, p. 8 NEW PRODUCT NEWS—edited by John Gorsky, p. 10 TEST YOUR EQ—p. 13 CROSSWORD—p. 74 Ubuntu Webcam Server, by Denny Lin, p. 16 Build an X10 Controller (Part 1): Circuit Design, by Devlin Gualtieri, p. 28 Wireless Data Exchange: Build a 2,700-lb. Bluetooth Headset, by Tom Struzik, p. 36 Hexapod Kinematics: Motor Communication, Motion Planning, and Image Processing, by Matt Bunting & John Rogers, p. 44 THE CONSUMMATE ENGINEER—It All Begins With a Spec, by George Novacek, p. 14 LESSONS FROM THE TRENCHES—Put C Language to the Test (Part 3): Rules and Assignments, by George Martin, p. 54 FROM THE BENCH—Application Communication with USB (Part 2): The Importance of Descriptors, by Jeff Bachiochi, p. 58 SILICON UPDATE—Wall Whisperer: A Fresh Take on Powerline Communication, by Tom Cantrell, p. 66 PRIORITY INTERRUPT—72 Flavors and More, by Steve Ciarcia, p. 80