Circuit Cellar Ink 163
February 2004

Table of Contents

4 Jennifer Huber	HTML Task Manager Five Ways to Lose Your Wires
8 John Gorsky	New Product News MDEV-HP3-xxx Wireless Development System from Linx Technologies
9 David Tweed	HTML Test Your EQ
10 Russell Lindgren	CoolRunner-II-Based Digital Telemetry Transmitter With the proper guidance, it's fairly easy to build a wireless link for a sensor application that transmits one-way information like temperature and pressure. In this article, Russ shows you how to build your own wireless link with a CoolRunner-II CPLD. Download: Lindgren163.zip
20 Ken Merk	Wireless Vehicle Tracking Part 1: System Basics Ken developed a GPS-based wireless tracking system in an effort to help an electrical contractor keep tabs on the whereabouts of his mobile power generators. In the first part of this series, Ken describes the hardware components and how to mount them on a PCB. Download: Merk163.zip
28 Mathew Laibowitz Joseph Paradiso	Wearable Wireless Transceivers It's becoming easier to incorporate wireless RF links in electronics projects, especially when you know how to select the proper short-range RF device. Mat and Joe first bring you up to speed on the newest embedded RF devices. Then, they describe how such devices were used in a series of wireless wearable platforms developed at the MIT Media Lab. Download: Laibowitz163.zip
Embedded PC 40 Fred Eady	Applied PCs Picking Apart Microchip's dsPIC You've heard a lot about dsPIC technology. Now it's time for the specifics. This month, Fred takes you on a dsPIC tour, covering both the hardware and software. Whether you're a DSP veteran or new to the game, this dsPIC primer is just what you need to get moving on your next project. Download: Eady163.zip
50 Larry Martin	$1 Wireless Interface Do you want a wireless interface for your next project? With a coil, a capacitor, and a transistor, you can make your next project emulate a radio frequency identification device (RFID), commonly called a "tag" or "RFID tag." In this article, Larry shows you how. Download: Martin163.zip
56 Ed Nisley	Above the Ground Plane Filters and Firmware As Ed explains, filtering can be used to enhance desired signals or refuse unwanted ones. In his December 2003 column, he explained how his circuitry converted a 10-MHz sine wave into an 11.25-MHz microcontroller clock. This month, Ed shows you how another filter extracts the 60-Hz power line signal. And, he explains why a combination of hardware and firmware squanders most of the resolution implied by a GPS-locked reference clock. Download: Nisley163.zip
60 Dan Beadle	Wireless Water Heater Some people like to remotely start their cars when it's cold outside. Dan took this idea one step further by Internet-enabling his mountainside retreat's hydronics system. The Airborne-based system allows him to warm the house well in advance of his arrival. Download: Beadle163.zip
68 Jeff Bachiochi	HTML From the Bench The Growth of the Atmel AVR Family The Atmel AVR family has been growing rapidly since its debut in the late 1990s. Today, you have several AVR products to choose from when preparing for a project. This month, Jeff delves deeper into the AVR story, and provides an example of how an AVR-based design allows him to control a thermostat. Download: Bachiochi163.zip
76 Tom Cantrell	Silicon Update '51 Flavors "The chip that wouldn't die." That's how Tom characterizes the 8051, which first hit the scene in the late 1970s. The chip has persevered, and today, some of the hottest chips on the market, such as the Cygnal (now Signal Laboratories) C8051F120, owe much of their success to the 8051 architecture.
94	Advertiser's Index / March Preview
96 Steve Ciarcia	HTML Priority Interrupt Moving Forward

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