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Showing posts with the label ps

Times are a changing.

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Try this at your own risk!! Do not try this while the power supply is connected or plugged in. http://www.instructables.com/id/Atx-to-At-ps-test-cable/ One of the biggest changes from the old Pentium one computer to the newer personal computers is the internal power supply connector. This was a challenge for me as I wanted a dc-dc power supply for my "AT" based robot but they only readily come in atx fornat. AT connector: ATX connector: Unfortunately at the time I needed a converter there was not one made commercially I could find.  You could make a sort of Rube/Goldberg pc power supply something like this: Just did not want to go to that much trouble. So I wonder if an Atx ps would work at least for testing.  Got out the manual for the atx ps I had and started comparing notes. AT: ATX:  Possible connections: Looks like it might work, so I made a crude cable. That evolved into the who connection: Fortunately it worked! ...

Oddball power supplies.

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Old computer power supplies can still deliver +5, +12,  ground and more. Great for conversion to workbench supplies. Examples of pinouts. Use at your own risk. Your wiring will vary. Warning: deadly if not handled properly! Get professional help if you are the least bit unsure.