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Table of Contents
Task
Manager
Game
On,
by Jennifer Huber
Priority
Interrupt
Back
to Basics,
by Steve Ciarcia
New
Product News,
edited by John Gorsky
—Feature
Article —
Large-Scale
Electronic Display
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Read
it now!
by Peter
Gibbs
Although Peter’s large BASIC Stamp 2-based
electronic display is intended for use in
sporting venues, you can add the same sort
of electronic display technology to projects
of your own. Read on to learn how he designed
and coded the basic circuitry. p. 16
Keywords:
Display, electromechanical,
size, color, relay, driver, BASIC Stamp 2
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—Feature
Article —
Water
Pressure Sensor
ZigBee-Based NozzleMon Aids Firefighters
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Read
it now!
by Mitchell
Levinn
Freescale
Wireless Design Challenge Winner
Delivering
water through a fire hose is harder than it
looks. NozzleMon, a ZigBee-based water pressure
sensor, enables pump operators to safely deliver
water at appropriate pressures. p.20
Keywords:
ZigBee, firefighting, pressure, SARD, MPXH6400A,
MC9S08GT60, LCD
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Automatic
Microcontroller Task Scheduling
Michael
Smith & James Miller
Do
you have a powerful processor that can issue numerous
instructions in parallel? Are you having problems
coding to get the maximum throughput? Mike and James
explain how to use Microsoft Project as a nanosecond-scheduling
tool for microprocessors. p.26
Keywords:
Task scheduling, Microsoft Project, ADSP-TS201,
TigerSHARC, visualization, Gantt chart, signal processing,
resources, VisualDSP
(If you have pop-ups disabled, click
here for a password.)
Virtual Billiards
Danny
Chow & Anthony Tay
What
do you get when two young engineers combine their
design skills with their love of billiards? A mobile
virtual pool machine. The exciting system features
an ATmega32 microcontroller and a Seiko G321D LCD.
p. 36
Keywords:
Billiards, ATmega32, ADXL210, KL100 potentiometer,
LCD
(If you have pop-ups disabled, click
here for a password.)
Debugging
Commerical Code
A Quick Fix for Galaga Code
Chris
Cantrell
Have
you ever played Galaga? Chris points out a bug in
the game’s code and offers a fix. p. 42
Keywords:
Code patch, Galaga, video game, Z80,
sprite, bug, MAME, disassembly
(If you have pop-ups disabled, click
here for a password.)
APPLIED
PCs
Implement a 32-Bit ARM Solution
Fred
Eady
Upgrading
an application with a 32-bit MCU doesn’t have to
be difficult. Fred upgrades a wireless system with
an Atmel AT91SAM7S MCU and a Telegesis ETRX1 ZigBee
module. p. 46
Keywords:
ARM, AT91SAM7S, ZigBee, ETRX1, 32-bit, CrossWorks
(If you have pop-ups disabled, click
here for a password.)
Measure
Low-Level Radioactivity
Build a Sensitive Radiation Counter
Tom
Napier
Tom
built a sensitive radiation counter from a Geiger-Muller
(GM) tube and a PIC16C54 microcontroller. Testing
radiation levels has never been easier. p. 52
Keywords:
Radioactivity, Geiger-Muller tube, PIC16C54,
particles, half-life, detector, HV supply, LCD
(If you have pop-ups disabled, click
here for a password.)
Multifunctional
Bicycle Computer
Kris
Ardis
An
avid cyclist who dreams of winning the Tour de France,
Kris built a compact bicycle computer to help him
through his workouts. The MAXQ2000-based system
includes a speedometer, clock, thermometer, humidity
sensor, heart rate monitor, and stopwatch. p.
60
Keywords:
Bicycle computer, MAXQ2000, LCD, DS1923, humidity,
temperature, DS2423, Polar F1, heart rate, time,
speed
(If you have pop-ups disabled, click
here for a password.)
Digital
Video in an Embedded System
Colin
O'Flynn
Working
with digital video doesn’t have to be a complicated
process, especially if you heed Colin’s advice.
In this article he explains the practice of using
low-cost video encoders and decoders to generate
studio-quality video. p. 68
Keywords:
Digital video, ITU-R BT.656, ITU-R BT.601, luminance,
chrominance, TVP5150, ADV7173, decoder, encoder,
Macrovision, DMCA, XC2S200E, FPGA, ATmega88
(If you have pop-ups disabled, click
here for a password.)
FROM
THE BENCH
Infrared Distance Measurement
Jeff Bachiochi
Infrared distance sensors have numerous uses. They
enable digital cameras to focus in on distant objects.
Mobile robots use them to avoid obstacles. This
month Jeff explains how he used a small microcontroller
to convert analog output from an infrared distance
sensor into audio feedback. p. 72
Keywords:
Distance, infrared, optical triangulation,
GP2D12J0000F, position sensitive detector, PSD,
LM231, PIC12F675, CEP-1153
(If you have pop-ups disabled, click
here for a password.)
SILICON
UPDATE
Wi-PHY Chip
Tom Cantrell
Your embedded Ethernet dreams will become reality
with Freescale’s MC9S12NE64 chip. Single-chip Ethernet
connectivity is literally at your fingertips.
p. 78
Keywords:
Ethernet, MC9S12NE64, 68HCS12,
MAC, PHY, CMX-NET, OpentTCP
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here for a password.)
Crossword
Index of Advertisers
PREVIEW
December #185
Data
Acquisition
LAN-Based
Data Acquisition System
Downlink
Telemetry Module
Solar Panel Monitor
Browser-Based Telemetry System
Long-Range
Wi-Fi Network
Unlock the Power of the PCI Bus
Renesas
M16C Design Contest 2005 Winners Announcement
ABOVE THE GROUND PLANE
ADC and DAC Bandwidth
APPLIED PCs
Assume Control with the MC104P
FROM THE BENCH
Portable Color Organ
SILICON UPDATE
Get the LEDs Out
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