Circuit Cellar Issue 235 February 2010-PDF

Issue #235
February 2010
Theme: Wireless Communications

TASK MANAGER—Choose Your Own Design Adventure, by C. J. Abate, p. 4
NEW PRODUCT NEWS—edited by John Gorsky, p. 8
CROSSWORD—p. 74
RFID-Based Liquid Control (Part 1): Working with Off-the-Shelf Components, by Brian Millier, p. 16
FPGA Embedded Microcontroller Environment, by John Clayton, p. 24
Floating Point for DSP, by Bruce Land, p. 46
Advanced Encryption Standard: Understanding AES without Math, by Monte Dalrymple, p. 54
SILICON UPDATE—A Winning Hand: Betting on the ARM Cortex-M3, by Tom Cantrell, p. 30
ABOVE THE GROUND PLANE—Totally Featureless Clock (Part 1): WWVB Simulator, Ed Nisley, p. 38
THE DARKER SIDE—Living With Errors: An Introduction to Forward Error Correction, By Robert Lacoste, p. 62
FROM THE BENCH—Sun Tracker (Part 1): Create a Directional Light Sensor, by Jeff Bachiochi, p. 68
PRIORITY INTERRUPT—Feature Creep, by Steve Ciarcia, p. 80
BONUS FEATURE ARTICLE—Using USB for Computer Interfacing Projects, by Michael Chan