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Review: Altium Designer & the Nanoboard 3000
10 November 2010
Altium Designer is software for designing PC boards, circuit diagrams, Field Programmable Gate Array (FPGA) projects and embedded software. It can work with the NanoBoard 3000 hardware platform and its supplied software libraries let you quickly develop, test and debug a device without the need for any hardware design or manufacturing.
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Digital Lighting Controller For Christmas Light Shows, Pt.2
08 November 2010
Everyone who has seen this has been pretty impressed . . . and no wonder! While we originally intended it to make your Christmas Lights display the best in your suburb, with up to 32 channels and total power limited only by your power outlets, it's capable of controlling just about any lighting sequencing task you want to throw at it. Now we get on with the good stuff: putting it all together!
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Build A Hearing Loop Level Meter
06 November 2010
Setting the correct signal level and minimising noise are critical factors when setting up a hearing loop. This easy-to-build tester can display field strength levels over a 27dB range. Here's how it works, how to build it and how to use it.
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Broadband Radar: A Quantum Leap Forward
02 November 2010
Mariners have always needed to know the quickest and
safest route between where they are and where they want to be - and what obstacles might be encountered on the way.
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Build A GPS Boat Computer
24 October 2010
For all the boaties out there, this one could literally be a life saver!
You'll never be lost again: as well as telling you exactly where you are at the moment, it will also show you your speed and heading and can even navigate you back to your starting point or to that secret fishing spot! It can even tell you how much fuel you're using, along with a host of other vital information.
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Designing & Installing A Hearing Loop For The Deaf, Pt.2
20 October 2010
Last month we introduced the subject of hearing aid inductive loops and explained how they were designed. We also mentioned that most amplifiers could be used to drive hearing loops, albeit with a bit of tweaking in most cases. Now we move on to some of the commercial equipment designed specifically for driving hearing loops.
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Two Toslink-S/PDIF Audio Converters To Build
16 October 2010
Do you have a DVD or CD player with a TOSLINK (optical) output but only coaxial S/PDIF inputs on your amplifier? Or do you have the opposite problem? What about hum from your speakers when running digital audio via a coaxial cable? With these simple converters you can easily solve these problems.
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Digital Controller For Christmas Light Shows
12 October 2010
Want one up on your neighbours? Instead of a static Christmas Lights display (so passe!) now you can have the ultimate in Christmas extravaganzas. This amazing controller will bring your Christmas lights to life, making them flash, dim up and down, you name it, all in time with your favourite Christmas music. It's easy to build, easy to connect and, best of all, easy to program!
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Circuit Notebook
10 October 2010
Interesting circuit ideas which we have checked but not built and tested. Contributions from
readers are welcome and will be paid for at standard rates.
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Jamboree On The Air . . . And Now The Internet
08 October 2010
On October 16 and 17, up to half a million Scouts and Girl Guides from around the world will join together by radio and the internet in what has become known as JOTA - the Jamboree on the Air - and now JOTI, the Jamboree on the Internet.
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