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.
Convert pc power supply to lab power supply.
In this video i am going to show you how to convert an old atx pc power supply into a powerful 350 w lab bench power supply in minimum cost hope you guys you will enjoy this.
Computer power supplies are switch mode power supplies smps which use high frequency switching circuit elements to provide a high quality output voltage with good energy efficiency one side effect of this technology is the minimum load requirement that each power supply has.
But it turns out a obsolete computer power supply is perfect for the job instead.
This module allows you to convert any atx psu to a lab psu in seconds.
This power supply is a 500 watt atx pc 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.
Computer power supplies have all the voltages you ll need and some very impressive current capabilities.
Adapt an old computer power supply to use on your workbench.
Prices today for a lab power supply well exceed 180.
Convert a computer power supply to a variable bench top lab power supply.
While a commercial bench power supply is certainly a worthwhile investment there is a cheaper solution that you might want to consider.
With features that are more or less hit or miss for what you need.
Here is one more cool vid.
First a bit of background on a typical atx power supply.
Convert an atx power supply into a regular dc power supply.
Computer power supplies cost around us 30 but lab power supplies can run you 100 or more.
With these costing you only 25 and having short circuit protection thermal protection overload protection and.
A dc power supply can be hard to find and expensive.