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Table of Contents
Task
Manager
'Tis the Season—by
Jennifer Huber
Priority
Interrupt
As Long as the Green Light Goes On—by
Steve Ciarcia
New Product
News—edited by John Gorsky
Embedded
Real-Time Java in an MPU
by Shahzad Umar
Java technology is rapidly gaining acceptance among
developers all over the world. In this article,
Shahzad will walk you through the process of embedding
real-time Java on a 68HC11. As he explains the process,
think about ways to apply the technology to your
own designs. p.12
Keywords:
Java, JVM, 68HC11, real-time, TAM, memory, GNU ASXXX,
stack, timer, ClassLinker, event, class, scheduler,
thread, garbage collection
PSoC
Design Challenge 2002 Winners Announcemnet
edited by Jennifer Huber
Efficient, Practical Adders
for FPGAs
by Vitit Kantabutra, Ph.D., Pasquale Corsonello,
Stefania Perri, Ph.D., and Maria Antonia Iachino
In the 1800s, Charles Babbage developed calculating
engines that made addition more efficient. Today,
carry-skip adders are used in many digital systems.
Recently, a group of engineers took the technology
a step further by designing efficient carry-skip
adders for FPGAs. p.28
Keywords:
Adder, FPGA, carry skip, carry
bypass, XC4000, Virtex, AT40K, timing
A
Low-Power Embedded Thermal Sensor System
by
Divyata Kakumanu, Joel Jorgenson, Tristan Simetkosky,
Conrad Thomas, and Brian Morlock
It’s important that your embedded electronics systems
have thermal sensors capable of monitoring their
external environments. With a PIC16C717 and this
project as your guide, you can build your own low-cost,
wireless, thermal sensor system for your future
designs. p.38
Keywords:
Thermal, temperature, sensor, PIC16C717, wireless,MPLAB,
LM70, battery, transmitter, JP-2
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—Feature
Article of the Month—
Ultrasonic
Homing Device
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Read
it Now!
Robotics
Corner
by Tom Baraniak
Tom
Baraniak is neither an otologist nor a plastic
surgeon, but he can definitely fix the ears
on that robot of yours. With this project,
Tom demonstrates how to construct a pair of
ultrasonic ears that will enable your robot
to steer its way to exact locations. p.44
Keywords:
Robotics, homing,
ultrasonic, receiver, PIC12C672, OPA2340,
transducer
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The Air Data Computer
by RIchard Soennichsen
When it comes to airplane safety and control, there’s
always room for improvement. In this article, Richard
shows us how to enhance a small plane’s control
panel with an air data computer that’s capable of
displaying speed, altitude, and fuel data on a 2
× 24 LCD. p.48
Keywords:
Airplane, computer, altitude,
airspeed, LCD, P89C51RD2, FM810LSSX, MAX1294, MPX4115AP,
MPX5010DP, ADC, pressure, IAS, FloScan 201B-6, RIDE,
FlashMagic
ARMs to ARMs
Part 1: Welcome to the World of ARM
by Robert Martin
Assimilating yourself to the world of ARM can be
like moving to a new country: it’s difficult if
you’re not familiar with the language and landscape.
But with Robert as your guide and translator, you’re
sure to gain the confidence needed to use the architecture
in your own projects. p.64
Keywords:
ARM, architecture, core, macrocell, v4T, Thumb,
modes, registers
Applied
PCs
Geckodriving YOur Motor Control Applications
by Fred Eady
Although not a machinist, Fred knows how to retrofit
old milling machines, and can apply this engineering
technique to various projects. This month, he shows
you how a Geckodrive and precision software can
enhance designs that call for precision motor control.
p.58
Keywords:
Motor control, Geckodrive, G210, G320, stepper,
DC, axis, current reduction, microstepping, Indexer
LPT, ATMega8, MX7524, ULN2003
From
the Bench
Smart Auto Brake Light Eliminates Turn Indicators
by Jeff Bachiochi
Small engineering projects won’t end world hunger,
but they can make the roads a little safer. This
month, Jeff gives you a good reason to follow him
closely: he’s building an animated solid-state brake
light. p.70
Keywords:
Turn Indicator, LED, LTST-C150KRKT, TD62783,
TD62083, animation, state machine, PIC16C63
Silicon
Update
Sensors and Sensibility
by Tom Cantrell
At the 2002 Sensors Expo, Tom saw the determination
of designers to create innovative, sensible sensor
technology. This month, Tom explains where sensor
technology has been and where it’s going. p.76
Keywords:
Sensors, Sensors
Expo, DAS-1245, data logger, DSO, temperature, humidity,
MEMS, accelerometer, MSC1210, HV100, HV300, E-FAB
Test
Your EQ
Advertisers
Index
PREVIEW
December #149
Wireless
Communications
Quad Bench Power Supply
Interfacing with Frequency Synthesizers
ARMs to ARMs—Part 2
Wireless Data Acquisition Using Bluetooth—World
Without Wires
Vector-SoC—A 1-GHz Vectorial Network Analyzer
Robotics Corner: A Low-Power Photoflash
Above the Ground Plane: Far Front Panels
Applied PCs: A Wireless Temperature Sensor
Stew
From the Bench: Smart RF Designing—Don’t
Put All Your Eggs in One Basket
Silicon Update: Hot Chips, Cold Sweat
Cover
Photography by Meadows Marketing
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