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Contents www.siliconchip.com.au Vol.15, No.2; February 2002 FEATURES 6 Electronic Braking Control In Cars You will no longer have direct control over your car’s brakes. This new braking system even dries out the brakes if they get wet – by Julian Edgar 12 Steel Mini Mills: A Recycling Success Story There’s a lot of interesting technology inside a steel mini mill. Here’s a look at how they work – by Bob Young PROJECTS TO BUILD 22 10-Channel IR Remote Control Receiver It works with commercial IR remote transmitters and is a snack to build. The channels can be wired for momentary or toggle operation – by John Clarke 30 A 2.4GHz High-Power Audio-Video Link 10-Channel IR Remote Control Receiver – Page 22. Forget about flea-power A-V links. This one puts out about 0.5W for a range of about 200 metres using simple “whip” antennas – by Ross Tester 54 Assemble Your Own 2-Way Tower Speakers These tower speakers from VAF Research come with fully assembled cabinets. You install the drivers and some hardware – by Leo Simpson 60 Touch And/Or Remote-Controlled Light Dimmer; Pt.2 Completing the construction and building the touchplate and pushbutton dimmer extensions – by John Clarke 66 4-Way Event/Race Anything Timer It’s based on a PIC microcontroller and can time up to four separate events. You can even get infrared sensors to start & stop the timing – by Ross Tester 2.4GHz High-Power Audio-Video Link – Page 30. COMPUTERS 76 Look Ma – No Keyboard Want to boot a PC without a keyboard, regardless of BIOS settings? Here’s a dummy keyboard you can hide inside the system case – by Greg Swain SPECIAL COLUMNS 38 Serviceman’s Log Accidents do happen – by the TV Serviceman 80 Vintage Radio The Diason P.P. 32/6 DC receiver – by Rodney Champness DEPARTMENTS 2 3 34 42 72 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 4-Way Event/Race Anything Timer With LCD – Page 66. Dummy Keyboard For PCs – Page 76. February 2002  1