Download EPE 2001-09 - Parent Directory

Transcript
ISSN 0262 3617
PROJECTS . . . THEORY . . . NEWS . . .
COMMENTS . . . POPULAR FEATURES . . .
VOL. 30. No. 9 SEPTEMBER 2001
Cover illustration by Jonathan Robertson
www.epemag.wimborne.co.uk
EPE Online: www.epemag.com
Projects and Circuits
WATER MONITOR by John Becker
How costly is it to keep your garden watered?
Find out and control it
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INGENUITY UNLIMITED hosted by Alan Winstanley
Wien Bridge Audio Generator; Precision Stereo Volume Control
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L.E.D. SUPER TORCHES by Andy Flind
Two hi-tech (one super-hi-tech!) designs to brighten your nights
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PERPETUAL PROJECTS – 3 by Thomas Scarborough
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Three more solar-powered projects – Loop Burglar Alarm, Touch-Switch
Door-Light, Solar-Powered Rain Alarm – plus seven suggestions for variants
SYNCHRONOUS CLOCK DRIVER by Andy Flind
By popular request – a dual-frequency, 50Hz-60Hz converter for
mains operated synchronous clocks
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Series and Features
NEW TECHNOLOGY UPDATE by Ian Poole
Small is efficient when it comes to packaging
CONTROLLING FLIGHT by Owen Bishop
An insight into how electronics helps to maintain aircraft safety
PRACTICALLY SPEAKING by Robert Penfold
A novice’s guide to why some pins can be left unconnected
NET WORK – THE INTERNET PAGE surfed by Alan Winstanley
CIRCUIT SURGERY by Alan Winstanley and Ian Bell
Curious Decoupling; Some Like it Hot
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Regulars and Services
WE HAVE MOVED!
Please note our new address and
phone/fax numbers – see page 615
© Wimborne Publishing Ltd 2001. Copyright in all
drawings, photographs and articles published in
EVERYDAY PRACTICAL ELECTRONICS is fully
protected, and reproduction or imitations in whole or
in part are expressly forbidden.
Our October 2001 issue will be published on Thursday,
13 September 2001. See page 607 for details
Everyday Practical Electronics, September 2001
EDITORIAL
NEWS – Barry Fox highlights technology’s leading edge
Plus everyday news from the world of electronics
READOUT John Becker addresses general points arising
ELECTRONICS VIDEOS Our range of educational videos
SHOPTALK with David Barrington
The essential guide to component buying for EPE projects
PLEASE TAKE NOTE Shortwave Loop Aerial
BACK ISSUES Did you miss these? Some now on CD-ROM!
CD-ROMS FOR ELECTRONICS
Electronic Projects; Filters; Digital Works 3.0; Electronic Circuits and
Components V2.0; Digital Electronics; Analogue Electronics; PICtutor;
Modular Circuit Design; Electronic Components Photos; C for PIC Micros;
CAD Pack
ELECTRONICS MANUALS
Essential reference works for hobbyists, students and service engineers
DIRECT BOOK SERVICE
A wide range of technical books available by mail order
PRINTED CIRCUIT BOARD AND SOFTWARE SERVICE
PCBs for EPE projects. Plus EPE software
ADVERTISERS INDEX
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Readers Services ) Editorial and Advertisement Departments 615
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