Circuit Cellar Issue 199 February 2007-PDF

Issue #199 February 2007Theme: Wireless Communications TASK MANAGER—What's Your Thing?, by C. J. Abate, p. 4NEW PRODUCT NEWS—edited by John Gorsky, p. 8CROSSWORD—p. 93 Modular Wireless Tracking System, by John Caruana, Doug Irvine, Matthew Quenet & Chris Cheng, p. 14 RFID Security System, by Craig Ross & Ricardo Goto, p. 24 DSP-Based Vehicle Monitoring, by Chris Hiszpanski, p. 32 Nixie Tube Propeller Clock, by Peter Csaszar, p. 40 Build a Reflow Oven Controller, by Ko Ihara & Kashif Javed, p. 46 Wireless Firmware Updates, by Alex Deyneko, p. 54 ABOVE THE GROUND PLANE— Battery Capacity, by Ed Nisley, p. 62 APPLIED PCs—Embedded Capacitive Touch Applications, by Fred Eady, p. 68 FROM THE BENCH—Electric Movement and Control, by Jeff Bachiochi, p. 74 SILICON UPDATE—Traveling Man, by Tom Cantrell, p. 80PRIORITY INTERRUPT—A Home Control Event Worth Remembering, by Steve Ciarcia, p. 96