Added: 5 years ago
From: tmatheson
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  • I used your tutorial to make my own pc fan and it works great. Thanks!

  • hey i have cpu fan 12v and A/c adapter with 12v fan run like a crap dam slow..... what am i doing wrong .....

  • hey my fan has three wires green black and yellow i took of the green and black and left the yellow inside the pc thing and did what u said but it didnt turn

  • I did this once but my fan died shortly after and smoke came out, it was a 12 volt fan dying at 9 volt. I think it has something to do with using ac current for a dc fan.

  • Tnx Man!

  • i use my nokia battery to run that

  • i use my nokia battery to run those

  • most of those cell phone adapters only put out around 6 volts and hardly any current so not much of a risk to yourself or the fan

  • This is no hack. Just connecting up a fan to a power supply, nothing more.

  • this is not a hack. its simply connecting positive to positive and negative to negative. which makes power. -_-

  • Is this safe, like i plan to use my soon to be ac powered fan 24/7 for a year. Has it or will cause any fire hazards?

  • @UrbanPunch depends. its all up to chance. just keep the ends where you connected them off the carpet

  • no need to strip the wires if u have a 4pin molex connection, just connect the ac adapter to a paper clip and connect the paper clip to the red and black wires

  • i got mine running on a 8volts adapter an i did all this with out youtube! + i have also hook neaons to a 12 volts adapter with looking it up easy to do anything with 12 volts access wen u know how to hook up a red wire an black wire in different colors

  • @edot304 What are you growing? Lol. Sounds like you're growing something in your closet. :O

  • i got 4 12vdc,0.20A fans wired to a 12v 4.0A adaptor. its wired parallel. the adaptor can handle the small amount of A needed by the fans so why has 3 of these adaptors melted within hours of testing??

  • yeah ....you can breeze your eyes if your standing 2 cm far :))

  • i use my printer ac cable and the fan worked great until it over heated and stopped working

  • Thank you for posting this. I had no idea it could be done that way and I greatly appreciate your time to show us how. Cheers!

  • i got a 12 volt and got it to its full potential

  • Fucking dangerous!

  • What should i do if I've got 2 Black ground wires, one red +5V and one yellow +12V (Molex) I'm going to run a fancontroller with 6 fans with it.

  • @Dehrax Just check with a volt meter wich wires are the right ones, probably the red is the positive and the yellow the negative, or one of the black is the negative for the 12 volt, but i think 6 fan is a bit much for it? i'm not sure bout that.

  • its so easy jus srtip the wires and tie it to the ends

    done but i use 12 volts

  • acutaly if u use a 12v dc 1000ma ac adpter and if u strip the wires u can parralle 3 fans depending on there ma cause most fans run around 12v dc .15 to .25. and even if u use 30mm at 12v .08ma u can hook up about 8 30mm fans up tp 1 ac adapter get ur facts right guys lol

  • You wasted my 2 minutes and 28 seconds.....

    Cut that crap away....

  • this is not a hack at all just waste of time and charger/fan

  • @jonatharivera its good to know if ur a beginner at growing dope.

  • woah, you never want to hook up a 12v fan to a 3v power supply. It's a fire hazard. Your adapter will get extremely hot. It will burn out if you're lucky, or melt and the burst into flames if not.

    You always want to match the volts exactly. So 12v fan you need a 12v power supply.

    As for amps, you just have to make sure your power supply as at least what the fan needs. It's fine to have more than you need there. so if the fan pulls 0.18A, and your supply puts out 5A that's fine.

  • Comment removed

  • @sbab83

    No, connecting a 12v fan to a 3v power sypply is not dangerous, it will just make the fan turn slower, because it gets a lower voltage.

  • thanks a lot for this video, im trying to convert 2 old pc fans of my own... just a question, a ac adapter thats over 12v cant power the low level electronics right?

  • You would just need to strip the wires, those of you asking if you can use higher voltage adapters for equipment with lower voltage ratings. I would not advise this it will almost certainly ruin the device (ie ur fan).

  • Yea ive done that...it doesnt seem to be working... any ideaS? i do it the same way as in this vid. im useing a samsung charger?

  • cut the charger part off n connect wires n ur good to go bud

  • @theboarman make sure your charger is putting out the exact same voltage your fan needs (it'll say on the sticker). You can not have less like in the video, and more will burn out your fan. So a 12v fan needs a 12v power supply.

  • @sbab83

    you do not need to have the same voltage on the power supply. less voltage will just make the fan turn slower, it is not dangerous.

  • how would i do this witha xbox 360 fan

  • ur awsome :D. 5/5 and sub

  • I have a Korg Kaossilator and it requires a 4.5 Volt Ac Adapter. I don't want to buy one, so can I use my PSP AC Adapter, which is 5 volt?

  • yes but do you want to cut your psp charger?

  • What do you mean, "cut" my psp charger? Sorry, I don't know a lot about this sort of thing.

  • oh i understand what you mean now your just going to do what he did in the video...yeah you can use your psp charger

  • @smallcretzuli while 4.5v is close to 5v, it's still not a good idea. You always want to match volts exactly. You can overpower your Kaossilator, unless it has some built in leeway with voltage. I wouldn't take the risk though.

  • First off great video but I do have a few questions/concerns. Most standard computer fans are 12 volts (im assuming yours is as well) and your linking it up to a 3 volt adapter? Couldnt that pose a problem and cause the fan to not continously run or produce even worse problems?

  • yes...i have right now a fan exactly like in the vid...and it says that is 12 volts

  • but works with a Motorola 5v adaptor...or even a 3v Nokia adaptor

  • Running the fan on lower voltage just makes the fan go slower.

  • but if the voltage is too high u can burn out the motor

  • @mkd17503 It will more than likely cause the power supply to heat up dangerously, posing a fire risk.

  • @sbab83

    It will not make the power supply heat up, it will only make the fan go slower.

  • the computer fan work

  • dude i it work i did it it work i give you 100 point

  • what about the yellow wire?

  • not needed

  • My grow room can continue THANKS SO MUCH MAN!!!! Perfect video. 5/5

  • @betertenu lmao same problem

  • Awesome video man, thanks a million for uploading, I needed to know this for a grow space and I was worrying this was going to be too complicated... but now I see it will be very easy :) Also, correct me if I'm wrong but you initially said you were connecting the ground wire to the side, then, at the end, you say it's the negative wire? :| I'm assuming that it's got to be the negative wire

  • @antiego1 same thing bro. negative=ground

  • wow that helped so much. it took me forever to find a decent video to show me how to do that!! thanks!!

  • nice one dude thx helpd me lots!!

  • fans go at 5v-12v. ok don't go over i have it f*** up lol.

  • hi need advice i need 2 run 3x 120mm fans so what power supply would i need 2 run them 24/7? any help would be great

  • it depends on the rest of your system

  • any transformer with 9 to 12 volts DC and about 750ma of current.

    theres no use to run fans on low voltage since they loose power.. usually computer fans handle 7 to 13 volts of juice..

    and those nokia transformers arent exactly meant to be plugged more than the time it takes to recharge your phone battery.. use old active speaker transformer or something alike since they handle more current and work with higher voltages.

  • the psu depends on the cpu and other hardware

    the fans wil maximum use 20 W(there are delta fans that use 20W ) but u should be fine with a 50W psu if u only want to run the fans =))))

  • That isn't called "hacking". That is just using what you have available.

    That's like saying you "hacked" your flashlight by using rechargeable batteries instead of alkaline.

    Make sure you're adapter can supply enough current to the device you're trying to power, other wise it won't work or you'll burn your adapter up.

  • I use a 20v adapter to power pc fan for my project hovercraft FTW!!

  • i do that for speaker blows :P

  • ah crap.. i used my old laptop charger and a bunch of sparks shot out from somewhere. i also smelt something burn........

  • lol use a 9v battery what i do :P

  • i ran them with 3 9v baterrys

  • wat how did you do it using batterys...damm i think i wanna try tht

  • those fans run on 12 volts, your obviously not running it at full speed

  • i aint got a clue about all this stuff but the fan i got has a red black and white. what do i do with the white

  • the white is just a speed control wire for the computer to control the speed of the fan when it is under pressure,just tape it away or something along the lines of that

  • if you wont to have a speed contrul use a ajustable voltage adepter.

  • We do the same thing at work.

  • don't listen insane he is noob good job 5/5

  • If you think its too slow just upgrade your adapter. The phone is 3,7 volts. Im using an 18 volts 0.5A charger and the fan goes 10 times faster, but watch out some fans might burn.!

    I wouldn't plug a led fan into the adapter, i did in and the fan started smoking:D.

    good luck.

  • simple stuff

  • what if I have a "Cooler Master 80mm LED Silent Fan Blue" it has three wires going to a box with 2 prongs and attaching to 2 other square/rectangular things one with 4 pins out and 4 pins going in?

  • can i use more than 1 fans per adapter

  • probobly, just read how many amps the fan draws and how many amps the phone charger (or w/e your useing) puts out and to nto exceed that limit

  • @ibear you can use as many as you want, i have 3 running off one and works fine, no lose in power

  • if I do that,will it be more powerful?

    (I know nothing about this kind of thing...)

    by the way,I loved your vid, 5/5

    thanks for the quick answer

    =]

  • You may want to check that the voltage of your adapter is the same as the voltage of your fan. Keep in mind this method is if you DON'T want to destroy your adapter. I would recommend stripping and soldering the wires for a more permanent application.

    Best regards,

    Tim Matheson

  • You can't destroy your adapter, whatever the voltage is. It will either burn the fan or the fan wouldn't move at all, but the adapter stays safe.

  • i think he was talking about cutting the end off, so this way you can still use the adapter if needed.

  • Oh, if by destroying you mean making it unusable for cell phone (or whatever) charging, then yes :)

  • I tryed to do this...I even had the same adapter as you,but the fan semed to be somewhat weaker than it should be...any ideas as to why is that?

  • Your adapter isn't strong enough for your fan, check the voltages on both.

  • yeah dude you are gonna short of your wires...and if oyu put it in an XBOX 360 it could short out the whole xbox if the mdal touches...cut that end of strip the wires and coneect it strsight wire to wire...and remember never let the black and red wires touch or else you will short out your fan and anything else that is touching it thats medal! glad to be of some help! lol

  • what if you have a red and black wire?

  • Of course you have a red and a black wire, red is + and black is -, damn.

  • wouldnt you want to use electric tape?

  • ty but coudl u make liek another one with better focus i can harly see

  • Great thanks!

  • Just a little warning here people, There is some danger with some (not all) battery eliminators, chargers, DC-adapters etc...

    For example: 230 Volts minus 218 Volts gives 12 Volts, right?

    Measured between the two wires on the adaptor gives 12, but measuring between one of the two wires and a real ground, for example a computers case gives either 230 or 218 volts for example.

  • DC is not an AC

  • Those eliminators/chargers I'm mentioning above do exist, but they are not common due the level of danger.

    I've been building such elimitarors myself. My last visit to china revealed that they are heavily common there, specially with pirated manufactured hardware.

    All it need is a few resistors and a zener-diode.

    I got a hell of a jolt from one GameBoy SP adaptor I bought there, and opening it revealed it used the above mentioned method due it's easy and real cheap to manufacture those.

  • now i would like to see your house get tested and varified by a qualified electrician lool

  • who wants to try a straight 120V? anyone?

  • very elementary

  • can u power more then 1 electronic to a ac adaptor?

  • I want to know this too!

  • Dude im jsut concern about your video, first of all because everything is blurry, now playing with electricity could be fatal, probably for you is a piece of cake but seriusly telling people to use a cell phone adapter with their fan may look harmless but i dunno if someone may get hut when they dont know anything about voltages.

  • you are silly. I EAT electrons

  • that explains ur comments

  • BTW these fans run on 12 volts DC 0.30A so use a pc power supply or 12 volt DC wall adaptor i have a 12 volt DC 500 mA adaptor i rigged for a jump box as the charger (the jump box didnt come with a charger)or you can use one of those multi voltage AC adaptors that provice like 6 or 7 different DV voltages and you can use that as a Variable speed control like lo, med, and hi

  • Oh Yeah, this is the shit that i like to do, rig stuff build stuff from electronics parts, and you wont get a shock from 3 volts DC its just too low, but that increases if you have salty fingers (Sweat)ive been shocked by 5 volts on a A/V wire i was fixing for my friend on his dreamcast games machine but i pretty much just met this dude and i was like oh please let this work i dont wanna make a fool out of myself, was sweatin bullets but i fixed it and it worked like a charm afterwards

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