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Contents Vol.17, No.3; March 2004 www.siliconchip.com.au FEATURES 7 Hawk-Eye: The Coming Revolution In Sport? How fair was that LBW decision? Would the ball really have hit the stumps? Was that fast serve in or out? Hawk-Eye removes the doubt – by Ross Tester 16 Transferring PC Data? – Put It On The Bus! Say goodbye to Zip disks – flash disks are much smaller and more convenient. Just “hot-plug” them into a USB port and you’re set to go – by Ross Tester 66 Hands-On PC Board Design For Beginners; Pt.2 Using the basic features of Autotrax and creating a simple PC board design. There’s also info on creating your own component libraries – by Peter Smith QuickBrake: For Increased Driving Safety – Page 10. 76 Review: Escort 3146A Bench Top Multimeter High-spec unit boasts 5-1/2 digits – by Peter Smith PROJECTS TO BUILD 10 QuickBrake: For Increased Driving Safety Simple project turns your brake lights on faster than you could ever apply them, to reduce rear-end shunts – by Julian Edgar & John Clarke 24 3V To 9V DC-DC Converter Don’t buy expensive, short-lived 9V batteries. This little DC-DC converter is adjustable and lets you use two AA, C or D-size cells instead – by Peter Smith 58 The ESR Meter Mk.2 Forget about capacitance meters; an ESR meter is the way to go when it comes to identifying faulty electros – by Bob Parker Adjustable 3V To 9V DC-DC Converter – Page 24. 70 Power Supply Demo Design Simple DC power supply provides a well-regulated output voltage in the range from 1.2V to 37V. And it’s all on a small PC board – by Peter Smith 73 White LED Driver Efficient circuit runs off 12V and drives up to 30 white LEDs. It can even switch on automatically when darkness falls – by Stephen David 78 PICAXE-18X 4-Channel Datalogger; Pt.3 Adding a humidity sensor, more memory and an LCD – by Clive Seager White LED Driver – Page 73. SPECIAL COLUMNS 34 Circuit Notebook (1) Signal Meter For Weather Satellite Receiver; (2) Car Battery Failure Detector; (3) Switch Timer For Bathroom Light; (4) Model Theatre Lighting Dimmer; (5) Fully Adjustable Power Supply; (6) 4-Wire Stepper Motor Driver 38 Serviceman’s Log It’s been a Panasonic month – by the TV Serviceman ESR Meter Mk.2 – Page 58. 82 Vintage Radio The little 1934 Astor Mickey – by Rodney Champness DEPARTMENTS 2 4 55 57 Publisher’s Letter Mailbag Product Showcase Silicon Chip Weblink www.siliconchip.com.au 88 92 93 95 Ask Silicon Chip Order Form Market Centre Ad Index March 2004  1