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Stereo Class-A Amplifier; Pt.5
30 September 2007
In this article, we show you how to build a high-performance 20W Class-A Stereo Amplifier using the modules described over the last few months. The unit will be available as a complete kit from Altronics and the assembly is straightforward.
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The Art Of Long-Distance WiFi
30 September 2007
This article will show you how to use wireless networking (WiFi) gear to make a network link of 10km or more.
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A Fast Charger For NiMH & Nicad Batteries
20 September 2007
This is a truly versatile charger. It can charge up to 15 identical NiMH or Nicad cells. You can build it to suit any size cells or cell capacity and you can set the charge rate. It can fast charge, trickle charge and has safeguards, including temperature sensing, to prevent overcharging.
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How To Cut Your Greenhouse Emissions; Pt.3
20 September 2007
"If Australians switched to clean, renewable energy (Green Power) today, Australia's total greenhouse pollution would be cut by 30%." - World Wildlife Fund
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Spectacular Bike Wheel POV Display
03 September 2007
This project uses POV to produce a spectacular glowing display on a rotating pushbike wheel as you ride along.
So what is POV? It stands for Persistence Of Vision.
It's a term that's applied to devices that rely on
the human eye's tendency to "see" an image
for a short time after it has disappeared.
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Serviceman's Log
24 August 2007
Getting down on my hands and knees to service a dishwasher is not much fun but this was one those occasions when I had no choice. I'd much rather service TV sets any day, so let's start off with one of those.
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Vintage Radio
23 August 2007
First introduced back in the 1930s, car radios have been popular with motorists ever since. Here's a brief look at how they evolved, along with the restoration details for an AWA 948C dual-polarity car radio.
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Build A 6-Digit Nixie Clock, Pt.2
22 August 2007
Last month, we gave some of the history of Nixie tubes and described the design of the NX14 clock and its circuit. This month, we give the assembly details and describe the optional blue LED up-lighting which we think that most constructors will definitely want, together with the attractive see-through Perspex case.
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