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Contents Vol.23, No.10; October 2010 SILICON CHIP www.siliconchip.com.au Features 14 Eye-Fi: Wireless Digital Photography Uploading photos from a digital camera to a PC can be a real pain. But what if they just appeared on the PC all by themselves? This wireless device plugs into your camera and automatically does the job for you – by Ross Tester High-Quality DAB+/FM Tuner – Page 24. 24. 18 Jamboree On The Air . . . And Now On The Internet On October 16-17, up to half a million scouts & guides from around the world will join together via radio and the internet – by Ross Tester 74 Designing & Installing A Hearing Loop For The Deaf, Pt.2 Second article takes a look at some of the commercial equipment designed specifically for driving hearing loops – by John Clarke Pro jects To Build 24 A High-Quality DAB+/FM Tuner, Pt.1 This high-performance DAB+/FM stereo tuner design has all the bells and whistles of DAB+. It’s built in a sleek pro-quality case with a backlit LCD and all features are accessible by remote control – by Mauro Grassi 36 Digital Controller For Christmas Light Shows Digital Controller For Christmas Lights – Page 36. This amazing controller will bring your Christmas lights to life, making them flash, dim up and down and pulsate in time with your favourite music. It’s easy to build and easy to connect – by Nicholas Vinen & Jim Rowe 62 Two Toslink-S/PDIF Audio Converters To Build Do you have a DVD player with a Toslink (optical) output but only a coax input on your amplifier? Or do you have the opposite problem? These simple converters are the solution and can also stop hum – by Nicholas Vinen 78 Build A GPS Boat Computer This project could be a lifesaver! It tells you where you are, shows your speed and heading and can help you navigate back to your starting point. It can even tell you how much fuel you’re using – by Geoff Graham Special Columns Toslink-to-SPDIF and SPDIFto-Toslink Converters To Build – Page 62. 57 Serviceman’s Log Do-it-yourself servicing for old hifi gear – by the Serviceman 69 Circuit Notebook (1) PIC-Based Water Distributor; (2) Auto-Sensing Master/Slave Power Control; (3) PICAXE Supply Uses Supercaps For Backup; (4) USB-Powered Headphone Amplifier; (5) Cat Door Control 90 Vintage Radio The Astor DL 4-valve mantel receiver – by Rodney Champness Departments   2   4 48 95 Publisher’s Letter Mailbag Product Showcase Ask Silicon Chip siliconchip.com.au Build A GPS Boat Computer – Page 78. 98 Notes & Errata 99 Order Form 102 Market Centre Ultrasonic Anti-Fouling For Boats: due to space limitations, we have had to hold over Pt.2 of this project until next month’s issue. October 2010  1