Build the Ultimate Bench Power Supply for Electronics

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This time we make this unique looking 180W Lab Bench Power Supply Unit/Battery Charger from some spare components, scrap parts, & the main module to this project being this Digital Step down converter Variable Power Supply module.
With an adjustable DC output of up to 36 volts & 5 amps out of this cool little box, the applications to what you can power with it are endless... From prototyping with fun circuits, to testing whichever components you need to test, to even powering a common household device through this thing, a power supply is a hands down essential apparatus to have at your workbench!
This DIY Power Supply has also been featured in the Australian "DIYODE" Magazine!
Read and learn more about it from their 60th issue here: diyodemag.com/features/projec...
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👉 Visit my online Storefront: sites.google.com/view/maximag...
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☕ Buy me a coffee: www.buymeacoffee.com/MaxImagi...
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Instagram: @max.imagination - max.imagina...
Instructables page: www.instructables.com/member/...
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Disclaimer: Amazon purchase links below are affiliate links. It doesn't cost you extra to buy through those and I just get a tiny commission. Thank you!
👉 Circuit Diagram:
drive.google.com/file/d/1irpr...
👉 Blueprints for Front & Back:
drive.google.com/file/d/1XNKH...
👉 Temperature controlled switch Circuit Diagram: (Credits to channel - ABTabi)
drive.google.com/file/d/1xT-7...
👉 5V fixed regulator diagram:
drive.google.com/file/d/1AyKw...
🧵⚙️🔌 List of Materials & Parts required:
• Numerical Control DC 6-55V to 0-50V 5A Step Down Power Supply Module - amzn.to/3SebOOf
• 180W AC to DC 100-240V AC to 36V 5A DC SMPS Step Down Converter - amzn.to/3LRRoYP
• LM2596 Step-Down Buck Converter - amzn.to/3UF3xEs
• (x2) TP4056 Single Cell Li-Ion/LiPo Charger module - amzn.to/3LIk32t
• 5V 3A Dual USB output charging module - amzn.to/3RkA1kl
• 5V LM7805 voltage regulator - amzn.to/3UDandE
• Temp-controlled Switch board with MOSFET & Thermistor - Homemade
• (x2) Blue LED - LED pack Kit - amzn.to/3C9wbGG
• (x3) Red LED
•(x1) Green LED
• IN5408 3A Rectifier Diode - amzn.to/3RhvNKt
• SPDT 3 pole Toggle Switch - amzn.to/3DWorJw
• SPST 2 pin 10A Rocker Switch - amzn.to/3RaDjXn
• Banana Plugs/RCA connectors (Male & Female) - amzn.to/3UHa2H2
• DC Jack Connector - amzn.to/3ReEjtJ
• Deans/XT60 Connector - amzn.to/3ShQKpT
• Alligator clips - amzn.to/3rcqd1r
• DC 12V PC Fan 80mm - amzn.to/3UFTOOg
• PC Fan Grill - amzn.to/3ShlYgK
• 18650 Li-Ion 2-Cell Battery Tray - amzn.to/3Si9gOS
• Single Socket AC Outlet Connector - amzn.to/3RdHzFO
• 3-prong AC Input Connector - amzn.to/3RaEeXP
• 3-Wire AC Power Cord with Compatible Connector - amzn.to/3CdjSt1
• 14, 20, 32AWG Electrical Wire - amzn.to/3r5CzbH , amzn.to/3SebFtW , amzn.to/3faywYG
• Perforated Prototyping boards - amzn.to/3fm2GZg
• 3M Shortened Philips Head Screws - amzn.to/3ra6IXa
• Rubber Nobs for PSU Feet (Nerf Dart Heads)
• Plywood Board 4mm
• Sheet Metal 1mm
• PSU Case (x2 CD/DVD ROM Driver Shells)
🪛🔧🔨 Tools and extra supplies I use:
➡️ Soldering Iron Kit - amzn.to/3X6L5Wq
➡️ Hot Glue Gun - amzn.to/3E6trJG
➡️ Drill Machine - amzn.to/3EDe0u8
➡️ Perf Boards, Pin headers, and Connectors Kit - amzn.to/3AkySUw
➡️ Superglue - amzn.to/3EE6uis
🎵 Music credits:
Song: Ikson - Blue Sky (Vlog No Copyright Music)
Music promoted by Vlog No Copyright Music.
Video Link: • Ikson - Blue Sky (Vlog...
Song: DayFox - Candy Friends (Instrumental)
Music provided by Vlog No Copyright Music.
Video Link: • DayFox - Candy Friends...
Song: Fredji - Welcome Sunshine (Vlog No Copyright Music)
Music promoted by Vlog No Copyright Music.
Video Link: • Fredji - Welcome Sunsh...
Tags: DIY power supply, diy power supply circuit, diy power supply box
#labbenchpowersupply #diyelectronics #electronicsengineering

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Опубликовано:

20 май 2022

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Комментарии : 260

@MaxImagination Год назад

Hey everyone! Thanks for watching! This DIY Power Supply has also been featured in the Australian "DIYODE" Magazine! Read and learn more about it from their 60th issue here: diyodemag.com/features/project_power_diy_variable_lab_bench_power_supply

@howtomake_614 9 месяцев назад

It's so amazing

@doug_1489 2 месяца назад

Its a really cool thing...but im just a pc techie and you lost me at about 8 min so I had to go and find the "for dummies" versions of all the other stuff, cool vid though 👍🏻

@edwardfletcher7790 Месяц назад

My only issue is the repetitive music 🤮 Most of the big RU-vidrs channels use the copyright free music from the Kevin MacLeod free library....

@Bravo-ry9st Год назад

I think you are the first person to explain what is it good for before just going into the build. Good work!

@MaxImagination Год назад

Thanks for your comment! 😀

@avigyanmallickstd-iiib4226 Год назад

Make a projector

@rickymeadows5176 Год назад

Love seeing younger generation folks taking initiative to do projects like this ! After 40-years of being a machinist , I watch their skills using crude tools & angle grinders & think to myself " my God, what could these kids build if they had access to a bonafide machine shop " ? Great vid !

@MaxImagination Год назад

Hey, Ricky! Thanks a bunch for your encouraging words!

@bigpoppa0828 Год назад

L9lii0😊l66.6😢iolli8llpm 0m

@KGrasso89 Год назад

I watch this and have some hope for the younger generation after all!

@ubiquitousingit Год назад

Indeed

@johnmichaels4330 Год назад

Reminds me of how I started before dad and I started a fab shop.

@saptaksarkar30468 Год назад

You have done a great job on this tutorial. Not only did you put a lot of effort in explanation but also provided links for everything ! Shows that you really motivated for this project and tutorial. I wished every tutorials were like yours'. Keep going, you have a bright future ! 👍

@MaxImagination Год назад

Many thanks for your kind and appreciative comment! 😊👍👍

@DavidSevern Год назад

Reminds me of my self when I was younger, but your better at it now than I was until I was nearly 35!

@pip5461 Год назад

A very useful addition to the workbench... Well done young "sparky" for a comprehensive breakdown...!

@MaxImagination Год назад

Yes! It sure is a super duper handy device to have on any maker's workbench, especially with multiple user-friendly features in one box. Thanks for your comment! :D

@Technocrafts 2 года назад

Wow! The finishing of the project is really awesome! 💯 Great one Max! 😃

@MaxImagination 2 года назад

Thank you so much, Abhishek! :)

@deepakpandey.. 7 месяцев назад

this video reminds me of college days when we used to build fascinating things from scrap.

@saponi2 Год назад

Great job! I built a similar power supply a while back and used almost the same components. You added a few things I hadn't thought of. Great job!

@MaxImagination Год назад

Hi! Many thanks! Cool to hear!

@PlayNowWorkLater Год назад

Best DIY Bench Power Supply video I have yet seen. And I’ve watched a lot of them. I might use your PVC pipe method you used with your recent RC car body instead of the boards, otherwise it’s pretty sweet. Glad I found your channel

@MaxImagination Год назад

Thanks so much for your encouraging words! Glad to hear you've gotten inspired. Cheers 👍🏻

@Kybes2 2 года назад

Holy crap, I came across your channel by chance and I have to say... MAD RESPECT my guy! It's really amazing to see someone your age taking on and sharing such awesome projects and DIYs, keep it up! You've definitely got a bright future ahead of ya!

@MaxImagination 2 года назад

I am very grateful to hear your appreciative comments... Thanks for your support!

@abdullahjavaid6131 2 года назад

CONGRATS on 40K Buddy!!🤩🙌🏻🎉🎊

@MaxImagination 2 года назад

Thank you!! 😁

@jonujangid3J 2 года назад

Complete package in one box, I like its aesthetic and ergonomics great design MAX

@MaxImagination 2 года назад

Thanks a lot, Jonu! I appreciate you taking note of these details :)

@nitinsinghal4155 2 года назад

Your work is really awesome. It's helped me to acquire increased technical knowledge.

@MaxImagination 2 года назад

I'm very pleased to hear that, thanks a lot! 😁

@haishvithansanjeevan5972 2 года назад

Hey max... Ur doing awesome mate 🙌🏻... Keep on doing these super cool stuffs, u'll definitely reach the top level soon 🔥🔥.

@MaxImagination 2 года назад

Thanks a heap for your very considerate words, Haish! 😁

@vallepukumar6564 2 года назад

When I saw the video I thought it was a real power supply! and i really liked the smoke effect, great video editing!👍👍👍👍😎😎😎😎😎

@MaxImagination 2 года назад

Did it make it look too factory made? Haha 😆 Thanks a lot, Kumar! 😀

@vallepukumar6564 2 года назад

Yes, it is looking like a factory one!👍👍👍😎😎😎

@BuildCreation 2 года назад

Great Tutorial bro! Really Nice design! Especially positions of connectors!

@MaxImagination 2 года назад

Thanks a ton, buddy! I appreciate your support :D

@kristoffermulbjerg6848 2 года назад

Nice and a very essential equipment you have made! Great video🤘🙌

@MaxImagination 2 года назад

Thank you, Kristoffer! 👍

@MechAero_Labs 2 года назад

Finally bro,amazing project .Good job

@MaxImagination 2 года назад

Thank you for watching!

@Mr.GeniusCreation 2 года назад

Very useful equipment 👌 Thanks for sharing 😊

@MaxImagination 2 года назад

Thanks for watching and kindly commenting! Cheers! :)

@SteveMoore71 10 месяцев назад

Great work. Of the 10 or so units Ive watched videos on, yours is by far the most functional! Keep it up!

@MaxImagination 10 месяцев назад

Many thanks for your kind words!

@mr.madcreator 2 года назад

Great work max,superb The finshings to your project are best man

@MaxImagination 2 года назад

Thanks a lot! Have a good weekend!

@mr.madcreator 2 года назад

Thanks max

@tgirard123 Год назад

Using the RCA jacks for the variable power was slick. I wondered if I would want some your features more modular but your design saves soo much space and works so well integrated, it's really hard to argue for it. great job.

@MaxImagination Год назад

Thanks a lot!

@viralmakwana1485 Год назад

great idea u put all the needy things together

@MaxImagination Год назад

Thanks! Yup, It's sort of turned into my multi-power tool 🙂✌

@tiagodesteffani 2 года назад

Awesome project Max 👏🏼👏🏼👏🏼👏🏼👏🏼👏🏼

@MaxImagination 2 года назад

A big thanks! :D

@GrandadsOtherChannel 2 года назад

You certainly packed a lot into that box 👍👍

@MaxImagination 2 года назад

And a lot is what it needed! I couldn't be more glad with the way it turned out, all working well, it should be the source to many more upcoming projects. Thanks for your comment, James 🙂

@tossancuyota7848 Год назад

just awesome the compactness and extra features are pretty useful for everyday uses ,

@MaxImagination Год назад

It's currently the tool I'm using most at my workbench. Also, the 18650 cell charger couldn't have been a more handy integration. Thanks for your comment!

@DoItYourself-DIY 2 года назад

Useful tool , Max. It' s very nice

@MaxImagination 2 года назад

Thanks for your kind comment :D

@spongerobert Год назад

This power supply is action packed with features plus all components can be sourced quite easily. In the end you have an invaluable tool for most electronic projects. Using recycled parts is also a huge bonus!

@MaxImagination Год назад

Thanks for your comment!

@PCBWay 2 года назад

Good job, Max

@harth05 Год назад

You and Linus techtips are my favorite tech channels now. Very fun even with someone who has limited experience with these things. I will be looking forward to your future videos. I hope you grow to 10 Mil someday!

@MaxImagination Год назад

Welcome aboard! I am heart-warmed to hear that! Thanks for your support 😀

@johnmichaels4330 Год назад

For real, loving your channel. We need to get you more subs.

@MaxImagination Год назад

Many thanks, John! 😀

@abenacchio Год назад

Impressive... I was watching the video and saw when you serialized the 5v... I thought... that's going to cause a problem... I've done the same thing... but you came up with a very elegant solution!

@MaxImagination Год назад

Thanks for watching! 😁

@crazycarl9484 10 месяцев назад

Great build, thanks for sharing

@MaxImagination 9 месяцев назад

Thanks for watching!

@spaceforce0 2 месяца назад

using pencaps as spacers blew my fucking mind. i am not creative enough. ive been wanting to convert an old laptop to a linux desktop and those spacers have held me back. subbed

@MaxImagination 2 месяца назад

Glad my video helped you. Cheers.

@bankebihari_collection 2 года назад

Very nice project

@MaxImagination 2 года назад

Thank you!

@joshuaaranguren1020 2 года назад

Great built quality Max 😃🙌🏼

@MaxImagination 2 года назад

Glad you like it, thanks a lot! :)

@joshuaaranguren1020 2 года назад

@@MaxImagination no problem have a great weekend 😊🙌🏻

@MaxImagination 2 года назад

@@joshuaaranguren1020 Thanks, buddy! Likewise :D

@CrazyCoupleDIY Год назад

Very nice one mate. I am going to make one of my own Thanks for sharing

@MaxImagination Год назад

Thanks for the comment! Cheers!

@rajpatil3758 2 года назад

Awesome video Max...

@MaxImagination 2 года назад

Glad you enjoyed it, thanks :D

@bru57000 Год назад

WARNING ! RCA sockets are not designed to feed current (2amp max), use banana sockets instead (10 or 15 amp max)

@MaxImagination Год назад

Thanks for your tip. However, if modified correctly, the sockets should work fine for carrying that amount of current.

@aquilafasciata5781 4 месяца назад

Better yet, use Anderson Powerpoles

@whipbone 4 месяца назад

That’s not necessarily true, I have a really thick high quality cord the auto rca on it is small but the video you can tell it’s a lot thicker wire and you can see the connector is beefer. I use it with my amateur radio, I’m sure there is quality ones that support more amperage from radio / video equipment stores

@ramananbaskar6840 4 месяца назад

Great video Max! You are my biggest inspiration

@MaxImagination 4 месяца назад

Wow, thanks! I appreciate that!

@doug_1489 2 месяца назад

very useful and very well made!

@MaxImagination 2 месяца назад

Glad you liked it! Thanks!

@DarrenSteele-mx3ks 4 месяца назад

Nice job and great post and wow you are patient with "so-called" experts lol

@MaxImagination 4 месяца назад

Thank you!

@CraftChannelYT 2 года назад

Hi Max🙋‍♂️ nice power supply

@MaxImagination 2 года назад

Hi, Naraş! Thanks :D

@magnum164 Год назад

Good job on this, helps a lot on ideas. Only thing I would suggest having worked with Lion batteries for so many years, the actual voltage of the battery is far more important than an indicator light. If the voltage is

@MaxImagination Год назад

Thanks for your comment and pointing out this interesting but important key thing about Li-Ions. I've charged old cells that got pretty warm when charging but still charged up. Yes, they are probably the most unsafe battery cells to work with, so precaution is number one. I appreciate your input on the project, good for others to keep in mind as well. Cheers!

@juniordouw6681 Год назад

Hey, Epic build. Just a tip. It will be easier to put the metal plates under/behind a old piece of wood to drill holes in it and so they wont bend also. 😉

@MaxImagination Год назад

Hi! Thanks for the tip! :D

@eidodoos Год назад

no 1 best psu with feature in youtube.

@MaxImagination Год назад

Many thanks! :D

@sergeismd Год назад

Парнишка красавчик, очень большой объем работ, все своими руками, это очень круто, подписался )))

@robertchamberlin2362 Год назад

This was Awesome!!!

@MaxImagination Год назад

Thank you, Robert!

@7MinutesCreative 2 года назад

hi Max . amazing idea

@MaxImagination 2 года назад

Thank you! Also anticipating your next video. Cheers! :)

@7MinutesCreative 2 года назад

@@MaxImagination yes i am trying to get inspired to continue the passion

@serignemodoubah5530 Год назад

You are a very good video creator

@MaxImagination Год назад

Thank you so much 😀

@serignemodoubah5530 Год назад

@@MaxImagination u deserve it 😎

@sangmalikal2414 Год назад

wow... Awesome Bro..👍..

@MaxImagination Год назад

Thank you! Cheers!

@psyolent. Год назад

Thats a really good handy bench PSU

@MaxImagination Год назад

Thanks for your kind input 👍🏻 🙂

@didierfuret9474 Год назад

Awesome Max 👍👍👍

@MaxImagination Год назад

Thank you! :)

@b4t0sai Год назад

Nice n simple project

@MaxImagination Год назад

Thanks for watching! :D

@vutuyen9933 Год назад

Thank for sharing

@user-or1et6cq1m 11 месяцев назад

I thought the smoke from inside😅. Nice work 👏

@MaxImagination 11 месяцев назад

Glad it wasn't what they call "Magic Smoke" 😅 Thanks!

@johnconrad5487 Год назад

Good job.

@MaxImagination Год назад

Thanks for watching!

@Divagar1994 Год назад

Heat activity switch I like this circuit 😍😍💯💯❤❤

@MaxImagination Год назад

Hey! I appreciate hearing that!

@Lazyman1975 Месяц назад

I planned on using an old psu from dell using potentiometers to inject low voltage.

@ernestng7113 Год назад

Very nice!

@MaxImagination Год назад

Thanks for the visit!

@kschildt1 Год назад

Very nice. Fuse the ac input though.

@MaxImagination Год назад

Thanks for your comment, Kenneth. Good point about the fuse, will do... 👍

@user-zu8oh7dt9b 5 месяцев назад

Thanks

@FluxLabsProjects Год назад

Honestly i'm not a fan of the phono sockets as they are not high current connectors, as you suggest 4mm jacks would be better, but i appreciate you're working with what you got. Also props for making a point about earthing/grounding, it's a life-saver and many people skip it.

@MaxImagination Год назад

Yup, I did the best with what I had at hand. Thanks for your comment and pointing things out!

@mattmcquillan7694 7 месяцев назад

Great project! What type of apoxy do you use for holding the ports in place? Looking for a small batch apoxy for similar use cases.

@MaxImagination 7 месяцев назад

Hi! Thank you. I now use ABRO epoxy, I might've linked something like it below in my affiliate store front in tools and supplies that I use. Check it out. Cheers.

@mattmcquillan7694 7 месяцев назад

@@MaxImagination Thank you!

@karmasgotcha2356 11 месяцев назад

Well done. I need one of those for my workbench. Nicely done good sir.

@MaxImagination 11 месяцев назад

Thanks! 👍 Since you liked this video, you may also want to watch how I developed my own 3D-Printed WiFi Security Camera - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Ul0h5Maeoeg.html

@user-nt1nq7ho6f Год назад

Dude I am so used to seeing 3d printed cases this was really refreshing Rick level shit bro nice! Morty I built a ufo fro garbage...

@MaxImagination Год назад

Thanks a lot! Haha 😂

@darkmatter1152 20 дней назад

I would like have had front and back panel 3d printed instead of wood. Awesome DIY

@MaxImagination 17 дней назад

You could sure do that! Thank you!

@99Victor Год назад

Have you heard of "Anderson PowerPole" wire cable connections? There are many gage wire connectors.

@MaxImagination Год назад

Never heard of them. I looked them up and they look familiar. Thanks for the part suggestion.

@StateofMichigan-26thState 2 года назад

love how u have only 100 views yet 20 comments :]

@dekio9245 4 месяца назад

It would be way easier to use a pc psu case as a case, since it already has some of the ports for this project, other than that, awesome project!

@MaxImagination 4 месяца назад

Good tip. That could have also worked. Thanks for your comment!

@kamranashabi8952 4 месяца назад

great. thanks

@MaxImagination 4 месяца назад

Thanks for watching!

@viswanathanharikrishnan Год назад

Hi, excellent work, How much time (Days/Months) taken for completing this project, from start to end?

@MaxImagination Год назад

Hi. Thanks for your comment! This project took me about 3 weeks to complete counting every day I made progress on making it. Cheers, Max

@viswanathanharikrishnan Год назад

I am from India and the variable display based dc converter, seems not available here. Checking some alternatives

@rustyzipperband Год назад

Might as well just buy one going this route. I’m looking to build one from components. Yes I will say it looks pretty good but how much do you have in it as far as cost?

@MaxImagination Год назад

I made the mistake of purchasing the SMPS converter when I could have used a PC ATX supply unit. One could save $20 here. I spent a total of around $50 making this PSU.

@spongerobert Год назад

@@MaxImagination Your way is better if you're doing everything from scratch. I would maybe do it in 2 parts. Regular ATX PSU to supply the 12v and 5V and then all the other doodads in a separate case but adding easy battery connectors is a really cool idea as it makes it somewhat portable. Or even better, power the whole thing with an old laptop power brick especially if you have a beefy 130w brick lying around.

@yutubl Год назад

Nice work. Did you know about reusing old PC-power supplies for DIY lab power supplies?

@MaxImagination Год назад

No, I only came to the realization afterwards. Could bring the cost down another $20!

@slyasastech 2 года назад

can you make a solar charging system to your camera and setup it on the wall

@MaxImagination 2 года назад

I was thinking of doing that! Good idea!

@moya9450 2 года назад

What a great device. It's multifunctional and usefull device. One thing though. I saw you commented on another Electric DIY RU-vidr video. He had bunch of fake videos in his channel. Please don't give them credit by commenting on their videos.

@MaxImagination 2 года назад

Hi. Thanks for your comment! Which RU-vidr was this? What's the channel name?

@moya9450 2 года назад

@@MaxImagination I think I replied to your comment that time. Now I don't remember the channels name. The video you commented on wasn't fake video, but that channel had lot's of fake video too

@moya9450 2 года назад

@@MaxImagination The bad thing is that you put lot's of effort and work on your projects but your viewers are about 20k-30k. The fakers have millions viewer and subs. This is the worst part of RU-vid.

@zk_6312 Год назад

Looks good though it really neads a fuse on the AC input.

@MaxImagination Год назад

Thanks for the comment with your tip, I'll consider making this change 👍

@nesbionics Год назад

muy bueno quedó , lastima que solo uniste cables , no diseñaste nada , saludos

@cmakubika Год назад

It would be nicer if you posted the full circuit diagram with all the different parts shown, As it is one has to figure out things here and there and do a bit of guessing too. Is it a tall order?

@MaxImagination Год назад

The full circuit diagram is linked in the description, hand-drawn. Yes, you have to do a bit of thinking too to make an intermediate project as such come to life!

@ultraguygaming7027 2 месяца назад

Can someone please help me how to make the temperature sensor thingy, i cant figure out what diode or resistor the young lad is using

@MaxImagination 2 месяца назад

Sure. Check the diagram here again: drive.google.com/file/d/1xT-7rCxKNZLwKLg-iPQoXNK4AownCvSo/view?usp=sharing It uses a 10K ohm variable resistor (potentiometer) and a 2.2K ohm fixed resistor.

@nikhilbhatnagar333 Год назад

Great video what is cost of making this bench power supply?

@MaxImagination Год назад

Hi there. Thank you! The total build cost may vary from USD $35-60 depending on what you don't yet have in terms of parts.

@the3dpenguy613 6 месяцев назад

This is great but I think I’ll leave the cell charger out, I’m in the uk so I’ll see how mine goes with 240v 👀

@SedatedByLife Год назад

may want to look at the power switch. you had an arc when you turned it on.

@MaxImagination Год назад

Will look into it!

@tecnisdaimondm.g9321 Год назад

Excelente 👌

@MaxImagination Год назад

¡Gracias Señor!

@D4RKFiB3R Год назад

Hi Max, 11 months on and with the benefit of hindsight, is there anything you would do differently? If so, would it be worth a v2.0 video? Thanks.

@MaxImagination Год назад

Hi there. It works for me fine as it is, I use it every day for testing my circuits. If I were to improve it, I'd probably just add a fuse at the AC input and some better connectors for power (|Banana Jacks). Apart from that, it works good and I don't think it is worth making an upgrade video. Cheers!

@D4RKFiB3R Год назад

@@MaxImagination That's good to know. Thanks for the reply. 👍

@MrAli3433 6 месяцев назад

So what's the polarity? Is it indicated in circuit diagram?

@MaxImagination 6 месяцев назад

Polarity of what?

@EasyOne Год назад

nice

@robertmckelvey3091 Год назад

Where do I find the thermal activated fan switch

@MaxImagination Год назад

Hi, Robert. You might find something commercial online or you make it yourself.

@billrayment3932 Год назад

Could one 3d print the case and other stuff. IAny worries about fire or melt down.

@MaxImagination Год назад

Hi and yes. The case may be 3D printed as long as you place suspended supporting posts for modules to be well seated, open space for heatsinks (to prevent meltdown). Insulating connections would still be a good idea, even with a plastic case. Cheers

@jeffbaker8808 Год назад

How are the batteries and laptop adapters "less stable"?

@MaxImagination Год назад

Batteries may be the most unstable, but laptop adapters do not have variable output power - is what I probably meant.

@jeffbaker8808 Год назад

@@MaxImagination true, although variable laptop power supplies are available. (I have one.) There is a switch, so you get fixed voltages, for example 12, 15, 16 18, 19, 21 and 24 volts not variable, which I realize was the objective. Current limited to max amount; short circuit protection included.

@paky66 Год назад

How's the ripple voltage?

@MaxImagination Год назад

Hi. I haven't yet tested my lab PSU on an oscilloscope as I do not have one. Cheers.

@edwardseth1230 Год назад

3d printed pickup handle

@Stuff-i-Like 3 месяца назад

I want a BOM and schematics, pretty please xo 🙂

@MaxImagination 3 месяца назад

You can find the parts/components list and diagram in the video description.

@Stuff-i-Like 3 месяца назад

@@MaxImagination I bought a 60W power supply for a rack based PC and hopefully can add a variable step down transformer with digital display for voltage n current, stick it in a box n be done with it!?

@SHADOW47196 Год назад

Good Work Very Good, I recommend using a Transformer as power supply instead of switching power supply, Transformer will last way more longer than SMPS But very good though

@MaxImagination Год назад

Hi, Sasuke. Thanks for your comment! I'll keep your tip in mind for the future 👍