Contents
Vol.12, No.4; April 1999
FEATURES
4 Autopilots For Radio-Controlled Model Aircraft
From Russia with love – by Bob Young
10 Getting Started With Linux; Pt.2
Installing Linux on your PC – by Bob Dyball
48 SPECIAL OFFER: Low-Cost Internet Access
No time limits, no download limits, no fine print – and no hassles
71 Electric Lighting; Pt.13
High-Power Electric Fence
Controller – Page 24.
Automotive lighting using LEDs – by Julian Edgar
PROJECTS TO BUILD
24 High-Power Electric Fence Controller
Capacitor discharge design suits long fence runs – by John Clarke
38 The Bass Cube Subwoofer
Uses a readily-available cabinet plus a 10-inch woofer for lots of low-down
grunt – by Julian Edgar
54 Programmable Thermostat/Thermometer
Use it for precise temperature control or for monitoring with preset alarms
– by Keith Rippon
Easy-To-Build Bass Cube
Subwoofer – Page 38.
66 Build An Infrared Sentry
Easy-to-build unit monitors doorways, pathways or passageways up to 25
metres wide – by Branco Justic & Ross Tester
80 A Rev Limiter For Cars
Don’t blow your engine. This unit could save you heaps – by John Clarke
SPECIAL COLUMNS
18 Serviceman’s Log
The day my multimeter lied to me – by the TV Serviceman
Programmable Thermostat/
Thermometer – Page 54.
76 Vintage Radio
Wow! My first vintage radio – by Rodney Champness
DEPARTMENTS
2
35
46
50
65
Publisher’s Letter
Mailbag
Circuit Notebook
Product Showcase
Order Form
89
93
94
96
Ask Silicon Chip
Notes & Errata
Market Centre
Advertising Index
Infrared Sentry For Monitoring
Doorways – Page 66.
April 1999 1