Computer power supplies cost around us 30 but lab power supplies can run you 100 or more.
Convert pc power supply to lab power supply.
Why use a computer atx power supply.
Adapt an old computer power supply to use on your workbench.
Convert a computer power supply to a variable bench top lab power supply.
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.
But it turns out a obsolete computer power supply is perfect for the job instead.
While a commercial bench power supply is certainly a worthwhile investment there is a cheaper solution that you might want to consider.
Computer power supplies have all the voltages you ll need and some very impressive current capabilities.
Well they re available everywhere and they can output tremendous amounts of power in a small form.
Prices today for a lab power supply well exceed 180.
With features that are more or less hit or miss for what you need.
A dc power supply can be hard to find and expensive.
The standard computer power supply unit psu turns the incoming 110v or 220vac alternating current into various dc direct current output voltages suitable for powering the computer s internal components and with a little bit of imagination it is possible to convert atx psu to a bench power supply.
In this instructable i will show you how to convert a computer power supply into a regular dc power supply with 12 5 and 3 3 v.