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Fixing computers can be a puzzling business, especially when faced with odd startup behavior and intermittent power issues. One of the most common causes of computer hardware problems is failure of the power supply, yet many technicians and do-it-yourselfers aren’t aware of the possibility, pointing instead to a dying motherboard or faulty RAM as the cause.

Manhattan manufactures a slick little tester which can take some guesswork out of computer diagnosis. It’s designed for testing every type of connector you’ll find on a modern power supply, from the 24-pin Molex motherboard connection to three-pin fan leads. Both types of graphics card power connections (6-pin and 8-pin Molex) are covered, plus motherboard auxiliary power connections, and finally SATA power connectors and normal 4-pin bodies. Not bad for $28 from Frozen CPU.

ATX 2.0 Ultimate Power Supply Tester [Frozen CPU]

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A friend of mine in Louisiana pointed me to an interesting site a few days ago. Scoraig Wind, a website full of one man’s experience and accumulated knowledge from years of making his own power with wind turbines. Using primarily wood, old pipe, and junkyard car alternators, Mr. Hugh Piggott and a few of his mates have had some impressive success harnessing the wind, and it’s all done in spare time from their garages.

Whether or not you buy into the green revolution, you have to admit that making enough of your own juice for the city to pay you is a pretty cool notion. I really like the idea of an off-the-grid house, and if you happen to live in the right area, wind power might be a great trick to save a buck or three. The site’s primary offering is a book with step-by-step instructions for making a completely scratch-built turbine, right down to arranging the stator yourself from purchased magnets. Not a bad way to kill a few weekends.

Wind Power Generators [Scoraig Wind]

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