Circuit Cellar Ink 149
December 2002

Table of Contents


Jennifer Huber

HTML Task Manager

No Strings Attached


John Gorsky

New Product News

  • iiCam network camera module from i2Chip, Inc.
  • AC4424 2.4-GHz FHSS transceiver from Aerocomm


Mohammed Rana Basheer

Wireless Data Acquisition Using Bluetooth

World Without Wires

The possibilities for Bluetooth seem endless. In this straightforward project, Mohammed interfaced an Ericsson ROK 101 007 Bluetooth module to an 8051 micro. If you follow his lead, you'll soon have your own wireless analog data acquisition and generation unit.

Download: basheer149.ZIP


John Teller

Interfacing with Frequency Synthesizers

Designing an RF circuit can be a difficult, time-consuming endeavor. Interfacing to the hardware, on the other hand, should be a breeze after you peruse this guide to programming a synthesizer. John's real-world application will prepare you for a project of your own.

Download: teller149.ZIP


Robert Lacoste


A 1-GHz Vectorial Network Analyzer

Touting the use-value of a vector network analyzer is an easy task for any RF enthusiast. Coming up with a convincing reason to purchase a VNA, however, is more difficult, especially because they can be expensive and bulky. So, try Robert's do-it-yourself approach.

Download: lacoste149.ZIP


Robert Martin

ARMs to ARMs

Part 2: Delving Deeper into the World of ARM

Now that you're familiar with the world of ARM processors, you should be thinking about how you can use the ARM architecture in your own embedded systems. In this article, Robert digs a little deeper and discusses the ARM features that will reduce code size.


Brian Millier

HTML Quad Bench Power Supply

The need for a bevy of equipment for building and testing presents a problem: how to deliver an adequate power supply while keeping workbench clutter to a minimum. Brian decided to tackle this classic engineering conundrum with a small, low-capacity quad bench power supply.

Download: millier149.ZIP

Embedded PC


Fred Eady

HTML Applied PCs

A Wireless Temperature Sensor Stew

Fred says designing and implementing a wireless sensor application doesn't have to be complicated. Future Electronics and Microchip have put together an easy-to-use wireless temperature sensor demo kit, and Fred has all of the info you'll need to get started.

Download: eady149.ZIP


Ed Nisley

Above the Ground Plane

HTML Front Panels

Aren't you sick of replacing broken switches and dealing with other hassles on your front panels? If you're looking for a high-tech substitute for knobby panels, then follow along as Ed inserts a SitePlayer into his circuitry and creates a front panel in cyberspace.

Download: nisley149.ZIP


Jeff Bachiochi

From the Bench

Smart RF Designing, Don't Put All of Your Eggs in One Basket

There are sensible tactics that you can use to stave off interference and increase the efficacy of your RF designs. This month, Jeff shows you how to decrease disruptive interference by dispersing your data.

Download: jeff149.ZIP

Robotics Corner


Tom Baraniak

A Low-Power Photoflash

There are many uses for a photoflash on a robot. For instance, a photoflash can provide extra light for your robot's camera, or it can serve as a safety strobe and warning beacon. Tom will show you how to build a low-power photoflash strobe with an 8-pin PIC micro.

Download: baraniak149.ZIP


Tom Cantrell

Silicon Update

Hot Chips, Cold Sweat

Things sure have changed since the mid-1990s -- a time when stock prices were up and consumer confidence was high -- but if you listen closely, you can still hear the high-tech revolution marching on.


Advertiser's Index / January Preview


Steve Ciarcia

HTML Priority Interrupt


FTP Directory for INK 149
Follow this link to order a copy of INK 149

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