DIY - Lab Bench Power Supply

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In this episode I will show you in great detail, how to create your own bench power supply from a PC power supply.
If you are a nice lad and want to donate to me on PayPal, here you go: melcumlk@gmail.com
My Patreon campaign: / sorindiy
My Facebook page: / sorindiy
My Instagram: / sorin.diy
PSU circuit board schematic: i.imgur.com/e5...
Volt/ammeter schematic: i.imgur.com/te...
Components list:
Voltmeter/ammeter display: s.click.aliexp...
Binding posts (similar): s.click.aliexp...
Double rocker switch: s.click.aliexp...
Rotary switch 6 position: s.click.aliexp...
Potentiometer knob: s.click.aliexp...
USB port: s.click.aliexp...
10W 47R resistor: s.click.aliexp...
Rubber pads: s.click.aliexp...
---------------Music----------------
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Опубликовано:

24 сен 2024

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Комментарии : 2,3 тыс.

@AThreeDogNight 6 лет назад

The best video I have seen as of yet explaining properly all of the functions of all of the color coding wires. Thanks for a good explanation.

@s4rg380 5 лет назад

This is by far the best looking ATX PSU conversion I've ever seen. Well done my dude.

@s4rg380 4 года назад

Since the rotary selector switch is merely there to select the input of the Volt/Amp meter, and you still retain power on 3.3/5/12V rails regardless of the switch's position (which is very useful FYI), I geuss I do have the "same level of genius", though, not in the bad light you painted it. You however, neither seem to know why that would be useful, nor that it is an inherent trait of an ATX switching PSU. Assuming you know what the "switching" part of the description entails. If you are going to leave salty comments, make sure you understand the topic beforehand. Unless it is you're goal to look like a fool. If it was, - success! Also, this was a 7 month old comment.

@s4rg380 4 года назад

Oh, and please work on your grammar, I almost had a stroke trying to read your comment. English is not my primary language either, so that's no excuse...

@s4rg380 4 года назад

@Jilvir Paeste apparently you suck at both.

@estebanmartinez9143 4 года назад

I hace a doubt, it seems that my source atx doesn't have the fuse included, if I wanted to add it, where should I put it? Will be right if I connect it in series with my switch of stand by or where? If anyone can help me I'll be so thankful.

@jpweek5885 4 года назад

The side hole makes a nice home for my cat's paw while I'm working. I watch his little face light up... so cute. Great video man!

@estebanmartinez9143 4 года назад

@gtr_guns673 3 года назад

@@estebanmartinez9143 You... replied to a comment about a cat...

@domino6061 3 года назад

@@gtr_guns673 fuse your cat

@Randellallen65 5 лет назад

I build this project using plexiglass someone threw away, and an old computer a friend gave me that no longer worked. It works great. Thank you for the great video, and information...

@itachi1145 6 лет назад

I appreciate the level of detail you go into.

@mohamedrizwan1990 3 года назад

How to get rubber foots

@howed 3 года назад

What will be the power consumption, if we only use one 12V supply from PSU? Will it be same as using it completely?

@VincentCheng 6 лет назад

Suggestions: USB signal , Short USB D+ and D-- Signal , It will increase the charge current when you charge your phone.

@MsLia32 4 года назад

how about using USB-C connector on a fast charger?

@howed 3 года назад

What will be the power consumption, if we only use one 12V supply from PSU? Will it be same as using it completely?

@Shannock9 5 лет назад

Best of the many ATX conversions on RU-vid! - good craftsmanship and lots of reasoning given. Thank you - I'll do this project as soon as I can get a cat :) Not sure about the heat transfer through the film of 2 part adhesive though.

@wa9kzy326 5 лет назад

Nicely done Sorin. You have given me many good ideas for my next ATX conversion project: the rotary switch and volt/amp meter. Very good-looking finished product you can be proud of.Tip: A good way to cut square holes in the steel case is to use a cold chisel. One or two blows will cut a perfect corner through the steel case.Thanks for all your effort in producing this video.

@colinmartin6922 5 лет назад

Nicely explained and steady vues, and no loud horrid music, that's great.. Take note RU-vidrs, This is a perfect example on how to do a useful video.. My only comment is that the current sense wire and resistor is a waste of energy. Perhaps using a 12v 12w bulb would be a good idea so your power supply could have a desk lamp fitted on top to light up what ever you are making when using this power supply.. Note the output smoothing is usually done by the motherboard in a PC, those nice rows of capacitors that when dried out burst open and short out the motherboard. It's nice if you can fit some big value capacitors to the two 12v outputs and the 5v use a 16V cap for the 12v output and a 10v cap for the 5v output. use the highest UF value you can fit inside the box or even mount them on the rear of the box. Then fit a 1k resistor across each capacitor to empty the cap and lower the voltage to zero when it's switched off. a 1/4 watt resistor is fine for this.. as the current will only be 150 milliwatts .. great Video and well done.

@Sorin_DIY 5 лет назад

hi. thanks for the feedback. the capacitors are a good idea.

@fvrrljr 5 лет назад

whoa, you said a mouthful. OLE!

@alvaliable 5 лет назад

7:50 comes a self-welding tape just for these cases Best of the many ATX conversions on RU-vid! gretings from argentina :3 fav + sub

@howed 3 года назад

What will be the power consumption, if we only use one 12V supply from PSU? Will it be same as using it completely?

@pablo_costas 6 лет назад

really cool finish, you made me think to rebuild my lab psu made with ATX as well. I used 2 to get 24 V, and added a regulation circuit for regulated output ( max 2A) .

@jfair98 6 лет назад

Did you just make two supplies and then run them in series?

@voyagertechnologies 6 лет назад

Why not use a boost/buck converter to 2/3 12v wires and use that

@jhonnyginting8985 5 лет назад

@@voyagertechnologies ..buck/boost makes things worst if u consider limited noise tolerance ..you can calculate the tolerances hit in every circuit you connected ones..

@voyagertechnologies 5 лет назад

@@jhonnyginting8985 Seriously you gonna complain about noice when the guys alternative is connecting 2 psu's in series! Ever used an old psu, he certainly aint buying bequeit gold rated supply

@rich1051414 5 лет назад

FYI, Current regulation is quite easy if the voltage is fixed. All you need is a power transistor and a single low current resistor(and a spec sheet to learn the gain of the transistor) :P

@aditneh1 5 лет назад

4:06 "let the cat pass" okay subscribed

@laminekhouni4744 4 года назад

hhhhhhh

@blackapple6232 6 лет назад

"Let the Cat pass" - fantastic.

@heyidiot 4 года назад

I had to use a rabbit for this step. It worked fine.

@AraceaeFanatics 2 года назад

Most underrated comment.

@CarlosCruz-bm7vn 2 года назад

Congrats to your talents for being with us today and the future THANKS for sharing your thoughts and experiences.

@Edits-vd5ru 3 года назад

I don't know about you guys, but a guy with a great Russian accent teaching me electronic is the best.

@tonyb9316 5 лет назад

I have built a power supply exactly like yours,now I have to find a cat to finish the project.thanks

@jidsart 3 года назад

hahaha

@AlekseySmolenchuk 4 года назад

Tools required: 1. Soldering iron 2. Cat 3. EDM 4. Cutting Pliers

@marek465 6 лет назад

Best DIY power supply mod i've seen so far :) Could you include the parts list in the video description ?

@Sorin_DIY 6 лет назад

hi. thanx for watching. I have bought all the parts from my local hardware store, so unfortunately I can't give you links where to find them. but I've included the parts list in the video description. you can buy them locally, or search them on aliexpress or other sites.

@georgeabraham7256 4 года назад

Perfect! Had a little jolt of education there. First time seeing the current reading independent from the voltage source.. could have broken some misconceptions fast when I was in school.. So you have to just be alert of the max current ratings.. the problem might be that you wouldn't be able to tell what you are doing to a single rail when you are using more than one at a time.. but I agree with the practical boundaries.. I would also not likely need more than that.

@home_Grown_studio 3 года назад

Thank you for this video,, It is so great to watch a video that is not high speed and nothing is being said no explanations. Well Done !! once again Thank you

@tivowillieb 5 лет назад

"Just don't stick your finger in there" [While sticking finger in there] lol

@StuffIMade 6 лет назад

Let the cat pass... this is why i hit the subscribe button! very funny!

@mhdnsb7850 6 лет назад

Stuff I Made MhdNSb😀😃😅👦👥👮👤👷💪💓🔧🔨🔩🏭🏠🏢🚀🚨🚧🔦🔋🔌🔬💣🔫📢📡📣💻📷📹📏📐✏📋👥👽👤👾💪💓❤

@shawnlund 6 лет назад

That got my sub as well 😬

@MrFrambooise 6 лет назад

I dont see anything funny there :|

@BustersCNCchannel 6 лет назад

same here, I nearly choked on my beer when he said that. Fantastic.

@SaifMusazai 6 лет назад

i want to charge my car bettery with computer power suply. But in power suply there is a yellow color wire having voltage is 12v thats ok,,, but ampere is low as about 1ampere to 2ampere only (which is not suffient to charge my car bettery). My problem is that how to increase the amperage of (yellow 12v wire) so that it charge my bettery easily. regds, thanks. plz reply in detail to solve my problem

@edsilky8798 4 года назад

I really like this - as it puts everything into the ATX enclosure. Most add an additional enclosure, which I haven't thought were necessary. However, I have the same comment I have with other electronic projects I've watched... Buy a heat-gun! I watch people using a match or a lighter to shrink heat-shrink tubing, and it is so ineffective and so inaccurate (and possibly dangerous). In the US you can buy a heat gun for ~$10. This will make your projects much easier and can be used for many other purposes in your projects.

@roninfra7926 4 года назад

I regret that I already read from the comments when the Cat actually passes while watching the video. LOL still made my day. Nice!!!!!

@NotSoCrazyNinja 6 лет назад

This video gives me some ideas. I must consider them. I have a few old but working power supplies that I have no current use for (for older computers) but I know a purpose I could use them for if I can get out the 12V and 5V. Thank you.

@insylem 6 лет назад

I love how you let the cat pass

@noproblemnoproblem174 5 лет назад

The video's been viewed to a million and a half 😍😍 youbare invenror😍

@DennisMurphey 4 года назад

i build digital upgrades for 1950s model trains. I have a basement lab with 4 benches. I am using train transformers for my test stations, but this idea is outstanding, I have several power supplies from failed devices, I should check them for power and re-purpose them as bench power supplies., I like the digital meters and switches. The variable component may use a pot or a transformer lever with a knob in stead. This is an inspiring project for me to try, thank you D

@friedmule5403 5 лет назад

Sorin if you look at the holes you did drill, they were near perfect round right after drilling but still had a irregular shape. Try to put a peace of clothes between the drill bit and the metal sheet, your holes will be perfect as made by a CNC.

@JoePinball2006 6 лет назад

Same here! I subscribed once the cat had passed! Lovely clear instructions and explanation as to WHY you did things a certain way. I now plan to make my own from an old PC PSU.... now to find an old PC PSU... :D

@moviebestmusic2806 4 года назад

dont forget to find a cat

@hanss.werner5728 6 лет назад

Thumbs up for the 'cat pass' 😆! Informational video!

@LoudPlace 6 лет назад

"Let the cat pass" hahaha. Great video! Subscribed!

@LoudPlace 6 лет назад

"Just don't think you're finger in there"

@rubber20021 6 лет назад

I agree!!

@subhajitkarmakar6995 4 месяца назад

Wow what a video, after 6 years i see this, its amazing ❤💚💙🙏🙏🙏

@mahmoudabdelnasser972 5 лет назад

Even though the pieces are not available, I loved him very much Greetings from Egypt

@taunteratwill1787 5 лет назад

"Him" ?

@kranoopraj6844 5 лет назад

You should Always let the CAT pass...LOL...thanks MAN

@techydiy 6 лет назад

I bet the cat left to avoid the shrinking tube

@tcarney57 6 лет назад

No, I think it was the music.

@electronik4464 5 лет назад

My interpretation ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Zb68WxiF1Kk.html

@dartrunner4599 5 лет назад

@@electronik4464 No Build, No Schematics, Not English. How does your video compare to this one?

@electronik4464 5 лет назад

@@dartrunner4599 if you was an real electronic, you would know it

@azrishahrir5120 4 года назад

@@electronik4464 Not everyone can understand electronic stuff very well. A proper video with explanation like this one will get a thumbs up for the project.

@jacoboglopez9744 5 лет назад

Guys I really need help with this project, so I started building it from scratch, got me a good 500W power supply unit from the used computers store, I think it was really cheap. I disassembled it, cut the wires as the video shows to work with them easily... and got the other parts from the electronics store, the thing is... I was trying to do the first holes with the hand drill but my cat just keeps standing there, staring and judging every movement I make, it won't pass... I have tried everything... from food to scratches and it won't move from the project table... I'm stuck at this, you guys can help me pleaseeee? I'm desperate to finish this power supply, but my cat won't PASSSS! HELP!

@xRepoUKx 5 лет назад

cat.exe has crashed, restart cat.exe

@MikeAustin2012 3 года назад

I like the caution and professional install using "shrink" tube (Sorry, only shrinking when heat is applied. After that it is shrunk. We just call it "Shrink tube" The added hot glue, I like to find one of the bottles of nail polish my wife didn't like painted onto the binding posts and screws. They tend to work loose. I would also add some inside and on the outer nut of the rotary control. I finally got some med and strong "Lock-Tite" brand thread lock. Works the same as nail polish but better but cost $8 to $15 usd a little goes a long way but its expensive, Thank you sir, well done. I think ill do one but another with variable amp and volts plus protection. about $30 more than this. Cheers!

@softwarestudent3741 3 года назад

one of the best power supply ive ever seen

@LevyS 4 года назад

"let the cat pass" lol

@VL4DST3R 3 года назад

Ai de plm, un roman 😂 acel "Sorin" la inceput te-a dat de gol. Respect! Also a great video, very informative and well structured!

@emilracovita8421 6 лет назад

Cand am vazut pistolul de lipit Radioprogres "Ăsta-i român 100%"

@madeureka 5 лет назад

Da pentru ca numele de SORIN aduce asa a.....mediteranean :))))

@ParkouSince2005 5 лет назад

@@madeureka e Sooh- Rinh

@adambruton9249 2 года назад

The best vieo I've seen on converting atx psu. Concise, precise

@Jamato300489 5 лет назад

Clear, informative and humorous. I really liked this vid, thanks for sharing Sorin!

@klannstyle 6 лет назад

Well nice to see good quality content from one of my "people" ;-) Cheers

@sirhoschi 6 лет назад

4:05 Shit, I have no cat! : ( Now I can't cut that hole!!!

@nicechubbchubbs 6 лет назад

So my project will fail if i don't let the cat pass?

@tophatv2902 6 лет назад

costara yea

@rafidsalman5306 5 лет назад

Yea costara

@ojkolsrud1 6 лет назад

Hi! This PSU looks really good! However, if you have three sets of banana plugs/binding posts (3V3, 5V, 12V) - why do you need the rotary switch? I would think that when you make these, you either have the rotary switch for selecting voltage and one set of binding posts, OR you do it a bit simpler with only the three sets of binding posts (even simpler is one red for the different voltages and one common ground).

@prenticetyndall 5 лет назад

I think the rotary switch just changes which output the meter displays.

@mohammadzare9927 2 года назад

he can't directly connect output high current to rotary switch because its sparks and i think after 5 time rotating switch,its messed up and die. so if no rotaty switch so ho can remove anothers banana post during use one? i mean inorder that shows volt and current of just one post? just one other concept remains : use really instead of direct wirin to rotary to pervent spark and damage( anyway its randomly shot down unit becausr of china responsibility to probife minimums!😁

@TheAussieincalgary 4 года назад

I have thought about doing this many times over the years, never quite got around to it. You have encouraged me to just build one. 😎

@emulatorretro 5 лет назад

You just gave me a super awesome idea sir. Why run all 4 12 volt connections to one plug? Just make 4 12 volt terminals (+ and - pairs), 4 5volt terminals (+ and - )and 5 3.3 volt terminals (+ and - )and 1 heavy duty 12 volt terminal (+ and - ) with amperage control for my electroplating. Sounds like it needs a big case right? You are correct in that thinking. I am just going to re use the old pc case that the power supply came in and repaint it a nice metallic finish to make it look all sciencey. I might even put voltage readouts on each receptacle paring if there is enough room for 16 readouts. That is a dream lab setup on a stock Dell 550 watt power supply. :D

@kenykharbudon6693 5 лет назад

So the cat pass was necessary to activate this power supply :-D

@rafidsalman5306 5 лет назад

THATS FRICKIN RIGHT

@KrotowX 4 года назад

It is necessary exorcism rite to shun out fault demons.

@jgoep2310 6 лет назад

I've got an idea: Would it be possible to connect the built-in fan as the dummy load so the power supply turns on?! Would this be enough load?

@Sorin_DIY 6 лет назад

hi. that is a good idea. for this power supply it will work. but the fan is consuming very little current and there are some power supplies which may need a bigger load. also you need to solder a connector to the yellow and black wires, so you can easily remove the fan cover if you need to reopen the power supply. some modern PSUs have variable voltage output for the fan, so the fan's speed will variate depending on the load or PSU temperature. if you connect the fan to the 12V output, it will ad a load, but the fan will always work on maximum speed.

@tejindersingh7487 4 месяца назад

@@Sorin_DIYhello sir I’m a student I used this like my school project I followed all your step but I have a problem my lab psu turn for a second and then goes off i mean like screen voltage /amper it goes off when I give the current help me please

@necoisidois7570 6 лет назад

Yes, I enjoyed it and I be subscribe!

@sitaramdhas9600 5 лет назад

Very nice and good

@electric_mix 4 года назад

Very nice my dear

@OIE82 2 года назад

I can not lie. It is beautiful.

@soulbrothers7789 6 лет назад

u have sub from me, so simple DIY !

@51fason 6 лет назад

very meticulous work.

@Den_Electro 2 года назад

Hello Friend! Watch my video! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Jo6KEs3t3To.html

@scirtoceacatalin4499 6 лет назад

Felicitari, super ....

@scirtoceacatalin4499 6 лет назад

CRACIUN FERICIT!!!!

@scirtoceacatalin4499 6 лет назад

De ce nu faci si versiunea in limba romana?????

@Sorin_DIY 6 лет назад

salut. imi ia destul de mult timp sa fac aceste clipuri si nu am timp sa le fac si in romana. dar o sa le adaug subtitrari la toate in viitor.

@1959Berre 4 года назад

You can cut a rectangular window in a sheet metal box with a Dremel tool. A cutting disk makes a fine cut without denting the front face.

@lwentz5510 4 года назад

Let the cat pass. Yes. I come back for that. Also, the "shrinking tubes". My day is made. Thank you.

@ΛΣΧΥ 6 лет назад

Cool project but my friend is dead from AC :(

@bilparanormalinvestigator5696 6 лет назад

lmao LET THE CAT PASS!. What would you charge just to build one of these Id buy one from you!

@voyagertechnologies 6 лет назад

Bil Paranormal Investigator Build your own,its a fun project. Just don't cramp everything in one box like he did, make a seperate smaller box with all the wires going inside that box,much easier and safer

@jefferytheurerii8196 6 лет назад

me too $$$

@voyagertechnologies 6 лет назад

The whole point of DIY is if you do it YOURSELF. You can buy a variable power supply for less than $70(won't be very good tho). You paying him to build you one is stupid and beyond me, pay a cheap chinease company and get it off shelves? Build it, that's what i would suggest but if you cant/don't then buy it

@AnthonyGoodley 5 лет назад

@@voyagertechnologies Yes this is the whole point of DIY. But not everyone has all the tools needed and they may be lacking the skills or knowledge to make something their self.

@voyagertechnologies 5 лет назад

@@AnthonyGoodley You do realise these are easily available on market, the whole point this video exists is to make it yoursemf cheaper, im no expert and i have completed this project aswell. If you cant even cut wires and connect them to a metal plug, you dont need a variable lab bench supply

@telapakpikiran1172 5 лет назад

Electrical engineer = cat lover Why?🤔

@EARTHLING74000 5 лет назад

women

@edstar83 5 лет назад

The better question is why not?

@telapakpikiran1172 5 лет назад

@@edstar83 because human have nerves not transistors i think🤔

@HectorUSA1 5 лет назад

Hi Sorin. Excellent work, very clean very neat, is a professional job, I can not understand how there may be people who vote thumb down, thank you for giving us your time and knowledge. Best regards.

@Sorin_DIY 5 лет назад

hi. from what I read in the comments, they disliked the video, because the background music is too loud, I did not short the data pins on the USB port, they don't understand the wiring...

@callawayken650 4 года назад

5 million views would be appropriate. Great job1

@DavidVine-DOCVIDPRO 4 года назад

Kill the music, PLEASE! I want to hear and understand you. Slower talking will help those who may have a problem with you accent although you do seem to have a very good grasp of the English Language. Thanks.

@gabrielantiligando9905 5 месяцев назад

After watching ur video i made my own after 3 weeks

@pjmbidge632000 5 лет назад

I made a similar set up, but I moved the fan from inside, onto the top of the box, that gave me more space inside the unit for the binding posts, volt meter etc. Good Video though!

@florinnegru8104 5 лет назад

Multumim pentru asa frumusete de sursa, o voi folosi la un laborator scolar.

@cjkellner 4 года назад

This video was surprising well detailed and informative compared to others I've seen, well done! Will definitely be building one myself in the future...

@Loosehead 5 лет назад

You can shrink the tubing using the tip of your soldering iron. Safer than using a flame.

@ramudu4410 4 года назад

I like every video in ur channel because u explain everything

@stephenwilson9905 5 лет назад

Fantastic! I thought that the video was really well produced and your project is awesome. Thank you, Sorin.

@pkf4124 5 лет назад

Best guide out there for this hobbyist essential kit

@To-mos Год назад

4:01 You can also put a Dremel sander disk bit onto a drill press and cut horizontally along the plate with the metal against a block of wood.

@metrotopia1317 3 года назад

As soon as you said "et the cat pass" @3.47 i subscribed!!

@Patrick-pl8wv 5 лет назад

Excellent job. Now I know what my next project is going to be. Thanks for sharing.

@MicheldeMONTEFORTI 5 лет назад

i like his english pronunciation a lot. Very clearly to understand;

@MsLia32 4 года назад

yep, that sounds like a great idea. Seriously though, if you are really short on space, you can power something kind of decent with either a buck or a boost converter running of USB.

@proFFessor90 4 года назад

I don't see this tip often and learned that a hard way (cause I do first, think later): make sure binding posts are insulated from the psu casing (duh)

@willpitts9957 5 лет назад

For the USB port, you should have used a car USB charger. The one that plugs into the lighter port and turns 12 volts into a steady 5 volts and has a regulator protection circuit on it. It would simplify things and make it safe for your phone

@Sorin_DIY 5 лет назад

hi. thanks for the suggestion. but I will not use it to charge my phone. I'm using it to test different USB DIY devices with up to 4A. please watch the part2 video for more info about my power supply.

@honestlocksmith5428 Год назад

I'd use a buck converter.

@djebliusto9919 4 года назад

Good work To protect the ATX again short circuit. It will be better to connect the Green wire (power on) to Relay contact with black wire. And to energize the relay with the 12 v or 5 v accorditly.

@strawman9410 Год назад

No rubbish rotatory tool needed today ! 🙂

@ProjectDanH 6 лет назад

Shrinking Tube!!! Lol, Great video! I've been looking to do this for a while but I was hesitant with a bunch of questions.. your video answered all of them. Great editing and great music! ✌️👊

@hankosaurus 3 года назад

Splendid. Great camera work. Very helpful. Kitty was nice touch.

@siribiriz 5 лет назад

Great informative video Sorin, thank you for sharing. I've been wanting to make one for the longest time. I think you have inspired me to do so.

@RussellCambell 2 года назад

Looks so nice. Maybe I'd add voltage regulation on my Breadboard permanently

@grahamjones6712 3 года назад

-12v is just a reference voltage. Its so you can get 24v potential accross +12 and -12v rail

@jeffkennedy8219 6 лет назад

A few tips for the sheet metal work: * Drill at each corner for a nicely radiused square hole. 5/16" drill for 5/16" radius (equates roughly to 8mm) * A "nibbler" is very helpful for cleaning up the straight cuts, and it's an inexpensive tool * For the large hole the wires used to be routed out of, you might find a plastic plug made for furniture to plug it with. ***I hope you find that helpful! Your video helped me in a few areas, so I hoped to return the favor as much as possible***

@felixcat4346 5 лет назад

I will subscribe when the cat comes back.

@YeahNoTellTheTruth Год назад

I've got one of these spot welders, but no battery so this was nice to learn and hopefully can get mine to work also.

@janantonfjermestad7810 6 лет назад

Thanks for not skipping details!

@questionablecommands9423 5 лет назад

The -12v line can be combined with the +12v line to give you a 24v output. YMMV on if this will kill the power supply after a time, though.

@GKirChhOff 5 лет назад

Or a symmetric power supply unit. -12 / 0 / +12

@K.D.Fischer_HEPHY 5 лет назад

I like it. Simple and functional. Also well done. Greetings from Austria to Romania.

@BloodyHeartRo 5 лет назад

Felicitari pentru initiativa dar as avea cateva sugestii: 1. La o sarcina de vre-o 9 amperi intamplatoare, lamele comutatorului se vor topi, mai ales ca nu ai nici un fel de protectie la scurt-circuit. 2. Nu are rost sa ai un comutator rotativ daca folosesti borne diferite de iesire. Mai bine foloseai o singura pereche de borne si foloseai comutatorul sa comande inchiderea unor relee pentru cele 3 trepte de tensiune si te rezolva si la problema nr. 1. Ar fi fost interesant sa ne spui cam ce costuri a presupus acest proiect. Toate bune!!!

@Sorin_DIY 5 лет назад

salut. multumesc pentru implicare. comutatorul rotativ insa nu schimba tensiunea de iesire la borne. schimba doar tensiunea afisata de voltmetru. deci e folosit cu un curent foarte mic. iesirile sunt conectate tot timpul la borne. voltmetrul l-am conectat pentru ca era deja inclus in afisajul volt/ampermetru; pentru a verifica daca sunt variatii de tensiune la iesirea pe care o folosesc in momentul respectiv (desi nu ar trebui sa fie) si pentru a afisa in clipuri tensiunea pe care o folosesc. pentru cei care nu inteleg limba engleza sau accentul meu, ii ajuta cand vad pe display 12V. am facut si un video part2, unde am raspuns la intrebari si am explicat mai multe lucruri.

@troyguererro0898 3 года назад

Dude you're the best. I love your passion and knowledge in what you are doing. Keep up the good work.

@KaustavMajumder 3 года назад

Okay that's something new I just learnt - Banana Plugs.

@xpane 3 года назад

Very good explanation and execution.

@liveen 3 года назад

AND ALSO: When drilling holes into metal, drill slow, and use bits made for it. Same goes for sawing, use a metal saw/file, go slow, go accurate. Drilling a smaller hole first is great, but doesn't help when you have shrapnel in your eyes

@dave1135 5 лет назад

I know this is a older video but I have a brand new atx power supply I've been using to run my chargers for my Lipo batteries for my rc airplanes. But I've been just temporarily connecting to it. You've motivated me to build this. I'll be ordering the parts soon

@liveen 3 года назад

ALSO, for the power resistor, if you run it on the 5V + 3.3V rail (hope you checked which one had the most maximum power), you should really use 5W 5ohm. You can go higher ohm if you have to, but 10W and 43ohm just sounds like sparks and fire waiting to happen

@kruskotv1311 Год назад

By power resistor, you mean the dummy load resistor ? And about using 5W instead of 10W, whats the issue there , can you explain, please ? (Im not that tech savvy)