24 June, 2015

DIY Homemade pool water solar preheating system - by Jordi

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Economic system of heating pool water This past summer Jordi from Valencia was  consulting on how to heat the pool water with economic...
17 June, 2015

Lighting by electromagnetic induction: Current best choice for high power lamps

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When it is necessary to illuminate a street, building, etc, and lots of light output is required,  induction lamps are more profitable t...
10 June, 2015

Connecting an IDE (DVD-ROM, HD, etc) unit to a motherboard without IDE port (SATAS only)

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Using an IDE-USB adapter we could "recycle" the IDE recorder In  many current motherboards like  Gigabyte GA-F2A55M-DS2 , no l...
04 June, 2015

Computer with dropbox slows: Usage Tips

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I recently repaired a computer that "slowed down" a lot to boot. It was a laptop with Celeron, quite outdated already.  What w...
28 April, 2015

The plotter fails to recognize the cartridge: Repairing a 500-800 HP Designjet 42 "

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We had a problem with our plotter; it marked  "unrecognized cartridge" error  before finishing of each printed plan; when we ...
26 April, 2015

Turn off RadioCD in a Xsara Picasso car: Connection to the burner

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We dropped the front screws and side to find the lighter wiring RadioCD included by factory in the  Citroen Xsara Picasso does not disc...
15 April, 2015

In Depth: Lexman 9W LED bulb E27 230V 4000K 806 lm of Leroy Merlin

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In my case gets 3 years warranty LED bulbs are already flooding the domestic market, with options for almost every need. We will ...
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01 April, 2015

Preparing a ventilated protective mask for Airsoft

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Homemade  ventilation  mask Eye protection is mandatory in  airsoft , but most  masks  do not have enough ventilation, so you end up ...
27 March, 2015

Repairing an old Mitutoyo profilometer probe

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Some time ago  I repaired an old  Mitutoyo  profilometer 178-928D   , which no longer has spares and which had broken the pin that tran...
09 March, 2015

Repairing a tape backup LTO 2 unit: HP Ultrium 448 with broken tape

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In a unit Ultrium Fujitsu (HP) for backup, the tape had broken, being useless as the mechanism for capturing the tape was inside it. To re...
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