Converting Computer Atx Power Supply To Lab Bench Power Supply

There are a number of ways to convert a standard computer atx power supply unit into a usable bench top power supply.

Converting computer atx power supply to lab bench power supply.

Unfortunately they can be very expansive so i wondered if there would be an easier and cheaper way to build one. By converting the cheap free atx power supplies that can be found in any discarded computer you can get a phenomenal lab power supply with huge current outputs short circuit protection and reasonably tight voltage regulation on the 5v line. Prices today for a lab power supply well exceed 180. Convert a computer power supply to a variable bench top lab power supply.

In this review and tutorial i will show you how convert a computer atx power supply to bench power supply using a cheap atx breakout board. Computer power supplies cost around us 30 but lab power supplies can run you 100 or more. In my sophomore year of college at the university of minnesota i started into my main electronics classes and needed a good power supply for working on lab projects at home. I came across many great instructables explaining how to.

But it turns out a obsolete computer power supply is perfect for the job instead. There are already a lot of tutorials online that show how to convert an old computer power supply into a bench power supply but most of these designs require you to permanently modify it. It should be interesting to both those who want to do a conversion and to those interested in the evolution of a popular topic that has been done over and over on the site. You can keep the 20 pin molex connector attached and connect directly into it or cut it off completely and group together the individual wires keeping the same colours together reds to reds blacks to blacks etc.

With these costing you only 25 and having short circuit protection thermal protection overload protection and. This design for an external adapter lets you use the power supply without modifying it. Adapt an old computer power supply to use on your workbench. This guide has almost every atx computer power supply to bench power supply published to date on instructables as of dec 2014 about 70 unique instructables.

My roommate adam told me about somebody online who had converted an atx c. Like many of you i wanted to use a lab bench power supply for my electronics. Computer power supplies have all the voltages you ll need and some very impressive current capabilities. Converting computer power supply to a lab bench using atx breakout board 8.