Building a bench power supply from atx software

Would it be advisable to provide a dcdc power supply ps to an atx system for the purpose of. Convert a computer atx power supply to a lab power supply. Flexible wifi logging atx cccv bench power supply project by bjorn use an old atx case from a pc and a atx power supply and an additional 36v5a cc psu and convert these to a flexible lab bench power supply. A way you can check is using a multimeter to see if there is any voltage. This way he can easily swap it out for a different one if he ever needs to. Convert an old atx power supply into a bench power supply. I had an old pc that had an atx power supply in it. Yes, using the a2d to monitor voltage and current and even control the switching transistor of a pwm power supply and all this according to user set values voltage, max current from pots fed into a2d inputs, while outputs drive 7seg displays, etc. Nzxt s340 in an attempt to transform the attractive atx midtower case into a test bench. Some cable ties to keep the work clean thread or adhesive tape does the same job.

Designing power supply circuits simplest to the most. It was a nice unit, i even added an ammeter to it so that i could measure current. This project includes features such as software calibration, programmatic control via usb raw hid, etc. This is an ideal case for hardware testing and if supports up to atx sized motherboards. I teased a working unit of a bench power that i built last year. Building a bench top power supply with a computer psu wes posted on november 5, 2012 posted in hardware 2 comments electronic tinkering and building have become a bigger hobby for me as i finished my university degree. Throughout this guide i will be building a bench power supply with four power rails. How to build your own variable bench power supply using an. A pullup resistor ensures that this wire carries a ttlcompatible logic high or logic 1 value, which a small circuit within the supply monitors.

How to build your own variable bench power supply using an atx power supply steps unplug the power cord from the back of the computer. The eez h24005 is not just another programmable benchtop power supply. Building an atx bench power supply part 1 wiring when designing electronic circuits on breadboards its useful to have a decent power source with multiple voltage outputs, or even a variable voltage output controlled by a dial or buttons. The usb connector is connected to your atx psu so the power limit is determined by the psu. This instructable will show you how to make a professional looking bench power supply. 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. It would be helpful to have an assortment of heat shrink tubing and a heat gun, plus a hot glue gun, a soldering gun, electrical tape, some solder and. In our experience most atx supplies dont require a. This is more than enough lines to make a bench top power supply to help me with my other projects. Diy lab bench power supply make using atx psu duration.

While its software, hardware, and mechanical aspects are designed to compete with any commercial offering, because it is fully free and open source, it provides a level of independence and hackability that simply doesnt exist with proprietary, traditional tools. Here is what i used to build my supply not including the materials i used for an enclosure. The project is focused on creating a highquality bench power supply that is modular in construction and easy to build for the diyer but will offer features more often found on professional equipment. This power supply is rated at 350w and has two 12v rails unlike the mini power supply which had only one 12v rail. Mar 06, 2020 lian li pct60 is one of the most popular test bench cases around. There are actually a few different atx power supplies, all of them are designed to provide 3. Its an atx computer power supply, to which ive added a set of banana plugs attached to a ruideng 5020 adjustable current adjustable voltage power supply. Taking the converted pc psu bench supply a step further. Atx bench power supply convert a computer power supply. Its an atx computer power supply, to which ive added a set of banana plugs. Stay tuned for progress updates on whether were able to. You can verify this schematic diagrams on proteus software. Ive built myself my own universal, adjustable bench power supply.

Aug 04, 2016 the psu has a standard connector called atx, you can reach all of the voltages levels using it. The atx power supply had a number of different voltage lines 3. This is a solidly built test bench case having an open design. Whats nice about it is it has 10a max capability, and i wanted at least 6a, but i can see the need for 10a the way things are going.

Some older atx supplies wont start without some sort of load. For this project i am using an old atx power supply which has been salvaged from an dell optiplex desktop. I was wondering what other opinions i could gather on a variable dc supply using voltage divider. Usually there is a sticker on the power supply which gives the maximum current for each line. Atx power supply conversion for bench usage hackaday. First thing i did was find a supply laying around i could use. Every electronics hacker maker need bench power supply so why not. Convert a computer power supply to a variable bench top lab. Dec 29, 2019 aside from the atx power supply itself, we will need a few additional components to build our bench supply. Diypc alphadb6 black acrylic atx bench case bench computer. Encyclopedia of atx to bench power supply conversion. You could build a separate board to run off the atx ps adapter as detailed in the first article below.

Building a bench lab power supply using an atx power supply from a pc. Convert atx power supply to bench supply dronebot workshop. Building a bench supply without altering the atx psu. How to add variable voltage to your atx based bench power supply. Im going to cut off one of the molex connectors then wire them to binding post. I needed 5v and 12v to play around with the inverter boards and figure out their pinout. I scrapped the power supply from the pjrc mp3 player, and started the conversion. The atx breakout board routes the, 5 and 12 volt atx outputs to screw terminals, each protected by a amp resettable polyfuse. So, as for basic need, we need minimum, from the previous guides we know the correct names. Im not the first to use an atx computer supply top power my diy projects, but i believe the design i have chosen is great for both advanced users and beginners. List of needed components advertisement in previous articles we introduced to practical work on how we can use diy benchtop power supply, we talked about various types switches and various types of fuses used in electrical and electronics.

A simple alternative is to use a computer power supply unit psu. 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. I would like to build a bench power supply for doing labs at home. This isnt strictly astro stuff but the main reason i built it is to experiment with tft backlight panels that i use for my lightboxes. Want to add a variable voltage output to your supply. Building a power supply for electro platintg using a computer power supply.

Jun 26, 2012 when he set out to build another bench supply from an atx psu he decided to do so without altering the psu. Micro atx atx mini itx e atx up to 272mm front ports. Dec 16, 2012 the corsair ax860i digital atx power supply was evaluated on both features and performance. Diy bench power supply from atx psu by eslam eldeknawy. This is a case for a bench power supply that uses a standard atx computer power supply and a dps 5005. Converting an atx power supply into a dc bench supply. Converting computer atx power supply to lab bench power. Many, if not most devices will charge as soon as there is a voltage applied to their usb port, so. Another atx bench power supply this atx psu bench power supply combines some of the best features of other designs i found on thingiverse. An atx power supply provides a number of peripheral power connectors and in modern systems two connectors for the motherboard. See more ideas about power, electronics projects, power supply. But prices were too high, especially for ones with. If you do decide to go down the diy route, i would suggest learning from daves design, but dont go the lt3080 route, because the eevblog forum has been discussing it recently and it seems that there may be a issue with the chip, which i admittedly dont quite understand, but i believe it has something to do with the output voltage being higher then the control voltage by a random significant. Building a bench top power supply with a computer psu wesg.

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 computers internal components and with a little bit of imagination it is possible to convert atx psu to a bench power supply. Making a power supply for use in labs is not an easy task due to the complexity of the circuit. This variable power supply can produce an variable voltage from 12v to 1. Instead, well have to go with the next best thing and check out tron900s mini bench power supply build. Converting pc power supply to bench supply turn a surplus computer power supply into a bench power supply to run your amateur radio transceiver and other equipment overview this project will show you how to turn an atx power supply unit psu from a computer into a bench power supply capable of providing the dc power necessary to operate your. Sep 14, 2015 for this project i am using an old atx power supply which has been salvaged from an dell optiplex desktop. If youre looking for an easytobuild device that outputs all of those common voltages we have already constructed a power supply using an old atx computer power supply. Atx workbench power supply project shop layout, electronics. Ideally i should have a bench supply so i dont have to keep buying 9v batteries. Install all binding posts, fuse holders and switch. This replaced a power supply in a old pc that did not need anything special, two sata power connectors one 4pin cpu connector and the main mother board connector. My idea is to run a vin from the 12v output of a molex connector from the psu into a voltage. The question arises, though, as to what type of supply and what features should be incorporated so as to make it as universal as possible.

Part 1 project overview part 2 first regulator tests part 3. I dont know if the following has been done, but here goes. Atx bench power supply atx, electronics projects, power. But it turns out a obsolete computer power supply is perfect for the job instead. This project was started a long time ago, and has only slowly progressed, but its now ready to be documented and shared with the world. Atx bench case color black case material acrylic with power supply no motherboard compatibility micro atx atx expansion external 5. Atx bench power supply diy electronics basics, computer power. With some modifications, the psu can be turned into a good bench power supply. How to convert atx psu pc power supply unit into a cheap bench top. How to add variable voltage to your atx based bench power. When i opened up the power supply, i found the following wires inside.

Aside from the atx power supply itself, we will need a few additional components to build our bench supply. This guide has almost every atx computer power supply to bench power supply. Turn a computer power supply into bench power make. Part 1 project overview part 2 first regulator tests part 3 a working regulator with stability issues. Use a pc power supply as a bench supply with the atx ps. Im converting an enermax eg465axveg into a bench power supply for my hacks. Feb 14, 2017 where to install the power supply unit. You can obtain the maximum current available in the 5 v line from the datasheet of your psu.

When he set out to build another bench supply from an atx psu he decided to do so without altering the psu. Converting atx psus to bench power supply major issues. There are several large capacitors in atx power supplies, that will store a dangerous charge for a long time. Diy lab bench power supply make using atx psu including all steps of making in this video i am showing you how to. Jun 19, 2011 and finally how to make lab bench power supply from computer atx power supply. The exact parts list will vary depending upon what you want to build your supply into. Convert a computer power supply to a variable bench top. In its simplest form, it is very affordable, but can be easily scaled up to a larger, more powerful unit. Problem being, since its a dell, the atx pin layout is different than that of a normal, standard atx.

Building a power supply for electro platintg using a computer. The case has got separate space for power supply atx ps2 and it supports 5. Convert an old computer atx power supply to a highlycapable workbench power supply. Supercap2f hacked his own psu into a bench power supply and published the project details. I really wanted to make a cheap bench power supply for use with my electronics project. The main power connector supplies power to the motherboard of the computer. There is a footprint for a 9 watt 10ohm load resistor on the 5 volt rail. This design for an external adapter lets you use the power supply without modifying it. With some simple wiring, you can convert an atx power supply form a desktop computer into a reliable and capable workbench power supply. If youre looking for an easyto build device that outputs all of those common voltages we have already constructed a power supply using an old atx computer power supply. How to build a computer 4 motherboard atx, micro atx. Diy lab bench power supply make using atx psu youtube. Bench power supplies can be expensive to buy, but in essence they are fairly simple devices. Bench psu power supply from old atx with arduino and lcd monitor.

If the power supply was connected to power source, use some discharging capacitors. The cables were long enough to reach all the drives and motherboard ports needed without any extenders it. My roommate adam told me about somebody online who had converted a spare atx computer power supply into a lab bench power supply, so i decided to try and do the same thing. The brand name seems unknown, and the amazon store, outdoor line, seems to have a pretty strange listing of products no idea how a bench power supply fits into their listings.

The variable rail will also be linked to a simple digital voltage meter showing the output on a 4 digit 7 segment display. But, this is hackaday, and im sure many of you would rather build one yourself from an inexpensive pc power supply. Converting an atx power supply into a dc bench supply this article is the first in the projects category. Recycle an atx computer power supply into a beefy bench tool that powers your projects. Atx power supplies have standard sizes and connectors for use with atx motherboards.

Hey all i am using an old dell precision which has the hot swapable power supply. Atx bench power supply atx, electronics projects, power supply. Please let your power supply discharge, completely. Dec 2, 2019 convert a computer power supply to a variable bench top lab power supply. A bench power supply using computer psu electronicslab. A full range of equipment was used to test the power supply under controlled load conditions. Nov 05, 2012 building a bench top power supply with a computer psu wes posted on november 5, 2012 posted in hardware 2 comments electronic tinkering and building have become a bigger hobby for me as i finished my university degree. Dc bench supply converted from inexpensive atx power supply the project can probably be completed in a day or so and requires only a few basic tools like a power drill and a few other hand tools. To provide high current outputs, it needs heavy transformers and semiconductor devices. Every bench needs a power supply to fully complement the rest of its test equipment. Any atx power supply can be plugged into the adapter. Apr 29, 2020 designing power supply circuits simplest to the most complex last updated on april 29, 2020 by swagatam 70 comments the post details how to design and build a good work bench power supply circuit right from the basic design to the reasonably sophisticated power supply having extended features.

Every electronics hacker maker need bench power supply so why not make it yourself. Computer power supply has a big high voltage capacitors inside, that could hold a potentially deadly charge. Its a very inexpensive way to make a pretty good dc bench supply or dedicated 12 volt supply for working on projects or powering devices. Nov 03, 2019 if youre looking for an easytobuild device that outputs all of those common voltages we have already constructed a power supply using an old atx computer power supply.