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Contents
Vol.16, No.3; March 2003
www.siliconchip.com.au
FEATURES
8 GM’s Hy-Wire Fuel-Cell Car
World-first concept car from GM combines a hydrogen fuel-cell power plant
with drive “by-wire” technology. And just look at the styling!
13 A Look At Emergency Beacons
An emergency beacon could save your life. Here’s a rundown on the various
types that are available and how they work – by Peter Holtham
GM’s “Hy-Wire”
Fuel-Cell Car – Page 8.
76 Review: Canon’s Image Stabilised Binoculars
Whether you’re into bird watching or astronomy (or anything else), these
image-stabilised binoculars will get rid of the shakes – by Leo Simpson
PROJECTS TO BUILD
LED Lighting For
Cars – Page 22.
22 LED Lighting For Your Car
Replace your car’s filament lamps with LEDs for improved safety. There are
several designs to build, all using high-brightness LEDs – by Peter Smith
36 Peltier-Effect Tinnie Cooler
It’s based on a Peltier-effect module fitted with a fan-cooled heatsink. You just
install it in a 6-pack Esky and to keep your tinnies cool – by Ross Tester
56 The PortaPAL Public Address System; Pt.2
Here’s the good oil on putting it together and getting it to work. We even
describe an easy way to build the box – by John Clarke & Leo Simpson
66 12V SLA Battery Float Charger
It’s intended for the PortaPAL but it also makes a great general-purpose
12V SLA battery charger – by John Clarke & Leo Simpson
68 The Little Dynamite Subwoofer
Build this compact subwoofer for very little money. It’s ideal for use in a car
or home unit – by Julian Edgar
79 More Fun With The PICAXE: A Shop Door Minder
Peltier-Effect Tinnie Cooler –
Page 36
Part 2 of this series shows you how to build a “Shop Door Minder . . . With
Attitude” – by Stan Swan
82 SuperCharger Addendum
Did you build the SuperCharger described in Nov-Dec 2002. If so, you need
this simple 2-transistor add-on board – by Peter Smith
SPECIAL COLUMNS
32 Circuit Notebook
(1) Automatic Headlight Switch; (2) Simple Universal PIC Programmer; (3)
Bat Detector Picks Up Ultrasound; (4) Junkbox-Parts Oven Timer
12V SLA Battery Float Charger
– Page 66.
40 Serviceman’s Log
Bring your hammer-drill and muscles – by the TV Serviceman
84 Vintage Radio
Antennas & earthing systems for crystal sets – by Rodney Champness
DEPARTMENTS
2
4
53
55
Publisher’s Letter
Mailbag
Product Showcase
Silicon Chip Weblink
www.siliconchip.com.au
90
92
93
95
Ask Silicon Chip
Notes & Errata
Market Centre
Advertising Index
The Little Dynamite Subwoofer –
Page 68.
March 2003 1
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