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Contents Vol.13, No.6; June 2000 FEATURES 4 Oooh, Aaaah! – Sony’s New Digital Handycam Bored with new video products? Take a look at Sony’s new DCR-PC100E digital handycam. OOOOOH, AAAAAH!!! – by Ross Tester 8 Review: PC-Controlled Blood Pressure Monitor Measure and track your blood pressure for a healthy heart. The results are displayed on the computer screen – by Ross Tester 77 Review: TiePie Handyprobe HP2 Oooh Aaaah! Sony’s New Digital Handycam – Page 4. It’s a storage oscilloscope, a spectrum analyser, a voltmeter and a transient recorder . . . and it all fits in the palm of your hand. Whoops! – we forgot the PC; you need that as well – by Peter Smith PROJECTS TO BUILD 14 Automatic Rain Gauge With Digital Readout It collects, measures, records and empties. Best of all, you don’t have to leave the house– by John Clarke 26 Parallel Port VHF FM Receiver Use it to monitor the 144-148MHz amateur band, the 132-144MHz band, or the 118-132MHz band – by Mark Roberts Parallel Port VHF FM Receiver – Page 26. 56 Li’l PowerHouse Switchmode Power Supply This highly efficient design can deliver from 1.23V to 40V at currents up to 1.2A – by Peter Smith & Leo Simpson 62 CD Compressor For Cars Or The Home Do you have problems listening to CDs in your car? Are the soft bits too soft and the loud bits too loud? Here’s the solution – by John Clarke SPECIAL COLUMNS 38 Serviceman’s Log We’ve still got our jobs – by the TV Serviceman Li’l PowerHouse Switchmode Power Supply – Page 56. 53 Vintage Radio A Japanese 110V AC/DC set – by Rodney Champness DEPARTMENTS 2 33 34 37 Publisher’s Letter Product Showcase Subscriptions Form Electronics Showcase 43 90 94 96 Circuit Notebook Ask Silicon Chip Market Centre Advertising Index CD Compressor For Cars Or The Home – Page 62. JUNE 2000  1