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Contents www.siliconchip.com.au Vol.15, No.4; April 2002 FEATURES 7 How To Get Into Avionics Working with aircraft electronics is a fascinating career but how do you get started in it? – by Daniel Field 14 At Last – An Easy Way To Make Pro Panels One-off panels and labels have been a problem for years. Now a new process makes it easy – by Ross Tester 19 Better Cooling Systems For Car Engines New thermal management systems will replace traditional radiators and coolant pumps 25 Volvo’s Integrated Starter Generator It pumps power back into a 42V battery when you slow down and promises fuel savings of up to 20% PROJECTS TO BUILD Automatic Single-Channel Light Dimmer – Page 26. 26 Automatic Single-Channel Light Dimmer It’s fully automatic, has a host of features and will drive incandescent lamp loads up to 2400W – by John Clarke 34 Build A Water Level Indicator Low-cost circuit lights a LED bargraph to indicate the level in a rainwater tank – by Allan March 48 Easy-To-Build Bench Power Supply It runs from a 9VAC plugpack and offers six fixed dual-polarity DC voltages from ±3V to ±15V – by Jim Rowe 60 Versatile Multi-Mode Timer Versatile timer is based on an Atmel microcontroller and has seven different operating modes – by Frank Crivelli & Peter Crowcroft Water Level Indicator For Tanks – Page 34. 70 6-Channel IR Remote Volume Control, Pt.2 Second article completes the construction – by John Clarke COMPUTERS 58 Computer Tips More FAQs on our MP3 Jukebox player – by Peter Smith SPECIAL COLUMNS 40 Serviceman’s Log Who said servicing was dying? – by the TV Serviceman 78 Vintage Radio Multi-Output Bench Power Supply – Page 48. The AWA 719C 7-band console; Pt.2 – by Rodney Champness DEPARTMENTS 2 4 45 69 84 Publisher’s Letter Mailbag Circuit Notebook Subscriptions Form Product Showcase www.siliconchip.com.au 90 93 94 96 Ask Silicon Chip Notes & Errata Market Centre Advertising Index Versatile Multi-Mode Timer – Page 60. April 2002  1