Contents
Vol.12, No.8; August 1999
FEATURES
4 Cleaning The Smokestacks
How Hazelwood Power Station cuts pollution – by Sammy Isreb
10 Internet Access – Reduced Prices
No time limits, no download limits, no fine print – and no hassles
53 SPECIAL OFFER: Subscribe At 1998 Prices
Beat the magazine price rise – and GST – by subscribing now
78 Making Negatives From Positives
Remote Modem Controller –
Page 16.
Simple DOS & Windows utilities let you reverse Protel PCB files
82 Electric Lighting, Pt.14
Illuminating the indoors using natural light & light pipes – by Julian Edgar
PROJECTS TO BUILD
16 Remote Modem Controller
Want to control and/or measure things from a distance? – by Leon Williams
26 Daytime Running Lights For Cars
Improves safety, reduces the glare and no flat battery! – by John Clarke
Daytime Running Lights For
Cars – Page 26.
35 Build A PC Monitor Checker
Stand-alone unit tests VGA, MGA and composite video types – by C. Roher
54 Switching Temperature Controller
Cool or heat anything accurately & easily – by Branco Justic & Ross Tester
60 An XYZ Table With Stepper Motor Control; Pt.4
Building the electronic control circuits – by Rick Walters
SPECIAL COLUMNS
Build a PC Monitor Checker –
Page 35.
42 Vintage Radio
A killer; the set from hell – by Rodney Champness
74 Serviceman’s Log
Not every write-off is written off – by the TV Serviceman
DEPARTMENTS
2
9
53
70
80
Publisher’s Letter
Mailbag
Subscriptions Form
Circuit Notebook
Electronics Showcase
86
90
93
94
96
Product Showcase
Ask Silicon Chip
Notes & Errata
Market Centre
Advertising Index
Build A Switching Temperature
Controller – Page 54.
AUGUST 1999 1