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Power Supplies (Read 112 times)
 
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Jul 19th, 2021 at 8:28pm
 
Item for Sale: power supply
Price: $$
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I have about half dozen power supplies from older computers. They can be made into nice stable power supplies for chargers on other nefarious uses. Few bucks and some soldering.

As they used to say on Stacey's Jamboree.............."No Chahge"
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Show the link to this post Re: Power Supplies
Reply #1 - Jul 20th, 2021 at 3:50pm
 
Sandy,
AT or ATX power supplies? I could use an AT power supply. I could use a 300 or 400W one for charging the Shearwater club's CAR Batteries during the winter months while I have them stored here at my place. I use the 2 deep cycle batteries to run my RV 33000 BTU RV furnace to supplement heat in my garage.
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« Last Edit: Jul 20th, 2021 at 3:51pm by KevinM »  
 
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Reply #2 - Jul 20th, 2021 at 3:58pm
 
here's the power supply 20 pin outputs for an ATX power supply

Full details on how to do this here: https://www.electronics-tutorials.ws/blog/convert-atx-psu-to-bench-supply.html
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« Last Edit: Jul 20th, 2021 at 4:01pm by KevinM »  

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Reply #3 - Jul 21st, 2021 at 3:10pm
 
Sure thing. Besides the "X", what would the physical difference be.....
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Reply #4 - Jul 21st, 2021 at 7:57pm
 
'AT' power supplies are older and use a manual on-off switch. (push on /push off) ATX power supplies use a momentary touch switch to turn them on or off. The switch supplies a temporary grd to a logic cct.

All modern computers use ATX. either can be converted to a bench power supply.

Also power supplies come in 20 pin or 24 pin versions depending on computer motherboards.
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« Last Edit: Jul 21st, 2021 at 7:59pm by KevinM »  
 
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Reply #5 - Jul 22nd, 2021 at 11:29am
 
My old blind eyes would suggest these are AT units.
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Reply #6 - Jul 24th, 2021 at 5:10pm
 
An easy way to tell is if they have Molex 4 pin power connectors they are AT. If they have a SATA power connector then they are ATX.
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