if you open it up, and find a green wire and black wire that was originally went to the mobo main plug, connect them, and PSU will be fooled into thinking its plugged into a mobo, and will power up with switch. No need for dummy load that way.
Anyone know how to do this on a Compaq PDP-115 power supply? I'm shorting what should be the correct pins, but no dice. I've also tried shorting the green wire to ground, and I get nothing.
The HowTos mention some 10Ohm 10Watts Powerresistor. Some think its meant to drain the capacitors on "power off" mode for safety. i dont think so. For draining a much higher resistance and less powery (less watts) would do just the same i guess. I guess the 10 Watt resistor is used to build a artificial load at the PS to help it start up (or keep it up running) . it seems the different HowTos are not all properly made and mention different reasons and parts lists.
Why not use one of those AC to DC multi converter where you plug into the wall socket? just cut the tip off and replace it with aligator clips? you can change the voltage on them too.
hey i am going to buy a coolmax 500 wat psu and when i checked the specks it said 5v @ 45 amps, 12v @ 17 amps and some other connections. i was just wondering if the 5v amperage is to high for some standered hho generators. please respond thanx
As long as You don't open the cover it won't kill You, but it can give severe burns through welding effect.
IF You open the cover You WILL get a severe electric chock even if it isn't connected to the mains, EVEN IF IT HAS BEEN DISCONNECTED FOR A LONG TIME, EVEN DAYS!!!
And if You open it while it's connected, well, then You will be removed from the evolutionary genepool in a true Darwinian fashion. You have been warned.
sirHOAX, I've read the original article at the wikihow.com, but I don't understand why did they put a 10ohm power resistor between +5V and gnd? That's just eating a lot of power for nothing.
wait what? i dont need to trick it into thinking there is load you just solder the 4and the 6 pin together and that makes it think a motherboard is connected :P easy as pie, well actually pie is more time consuming
hmm always wondered if you could combine the rails like that. Good to know.
And yeah there's not enough volts to do any harm here. In fact I was playing with 9 volt batteries once, I daisy chained 13 of them until I could feel a shock. Came up to a little over 120 volts DC too.
@atomdragon4 check ebay for 'lambda power supply' they have various different voltage outputs at various amperage handling capabilities. found one there myself that was rated 5volts @ 120 amps. which is really an amazing output if you ask me. but it depends what you are looking for. if you need amperage would go that route. rather than try to tie two together. best of luck.
you do this because one of those small wires will only hold a amp or two before they burn out. That is the trick to delivering 30 or so amps to one load. Divide up the current flow between all the wires to keep the current in each wire below rated max current
You can easily tie two PSU's together, just make sure you chop one of the mains grounds or you will create a straight short from the output of one PSU to the ground of the other.
that would be dangerous. The current of 1 PSU is enough to pack a very strong punch. Doubling that will cause serious injury if u touch the wires with your hands
@bmw2go11 The DC voltage is too low to shock but if shorted to ground the current flow could make a high current arc that "might" burn your hand and distroy the PS if it does not shut down quickly
LOL, Yes sir hoax I used the exact same information, any of you guys reading this thinking of doing this should get a copy of these instructions, there grate, and I have used them time after time, get a print out guys…. Good video, thanks.
guy good job but do it right get 3 good terminals or 3 good 8 awg wire and wire it from inside to the mother board to terminal or whatever you connect it to. But other wise GREAT JOB
I took my 400W ATX from PC and just connect green wire ( from 20 pin for motherboard ) with any black ( GND ) and it is turned ON. So i really don't understand 1:33 ? There is no any load but it is working. It's a good ATX, I just put it back in my PC so there is no any thing wrong with it. sorry because my english
@BlueBajs No, my PC is still working fine. Yes, it is old one with Intel (R) Pentium 4, 1.5Gb DDR1, Maxtor (PATA) 160 Gb HD and ATi9550 with 128Mb, but working ! xD
I´m joking, I allready bought new computer with Intel i7, but using a old one ( under Linux Ubuntu 8.04 ) too, because i need 2 PC for job. Greetings
i think its pretty sad that u had to search the internet to find out that all the different colour wires go together
anyways, im curious if its still working, ive done this b4 and it died quite fast.... i ran 2 motors in series from hours and it died (on12v, another power supply i used b4 only gave 6 amps and it worked fine, but the ATX power supply that was supposed to give 28 amps died)
computers are mainly resistive loads with exception to a few small cooling fans. larger motors would cause more blowback and damage the psu. computer psu's are designed for sensitive components blowback is caused by a surge of voltage created by the collapsing magnetic field in an inductor / the motor.
@prankmypants What is "blowback"?? I have powered many inductive loads from computer ATX power supplies they are fine with it. If you have high voltage spikes (back-EMF), you risk tripping the internal overvoltage protection, but that only results in the power supply shutting down. Also, overcurrent is a risk with motors starting. It is fine to power motors from a power supply, that's why we have hard drives, CD/DVD drives, fans and even compressors/pumps (for cooling) in some PCs.
This is no more a "lab power supply" than an AC wall adapter is. Lab power supplies have variable voltage control and at least one meter for voltage, usually a second for current.
@morality101 Yes may be true but everything you just said can be replicated and added to this 20 dollar project. You insist that it isn't real until ou shell out 200-3,000 dollars? Just stupid. This is the 1st step, add those other gizmo's if you need them. Why throw this away if you can use it? People are so dumb.
@dmgcat First you replied everything I said can be replicated for $20, OK fine. Then you wrote that I insisted one shell out 200-3,000 dollars. You are mistaken because I did not suggest, imply, or in any way write that.
Excellent video, dude. I'm planning on doing this just this weekend. Quicko question though: once the system is one, we are to take our positive and negative leads.
When we choose two wires, say a yellow and a neighboring black one, it'll be at 12 Volts. At that voltage, mine is rated for 17 Amps. But in order to get all of the amperage promised, should we bundle all the yellow wires together and attach it to a lead?
I suppose I'm asking: Do I get the 12 V/17 A from each wire, or no?
what pcu r yu using.. how much watts on pcu..? ... i got 250w pcu for a 800w amp and two 10" speackers 270w rms ea speacker yu think i should get a better pcu?..
beacouse i cant have the amp not even to 1/4 of it full power ... becaouse this pcu automaticlly shouts off
i need help, ive converted my psu, and ive read if im going to use it constantly i don't need a resistor, i want to hook it up to my amp and stereo, but when i hook up my stereo it turns on, then when i hook up the amp the power supply turns off, why is this? is the amp looking for too much volts that it over loads? im a going to need a nother power supply just for my amp?
to clear thinks up you can touch any of the leads and it wont kill you. yes the amperage is enough to kill you but they will never reach your heart, you need higher volts for that to happen.
Voltage actually means nothing. The parallel to voltage and amperage is like plumbing.
Voltage is the size of pipe you have, it determines how much "water" (current) can flow through, it also in a way makes current flow more readily. But voltage really means nothing, i mean a huge pipe with no water, is just a huge pipe.
You might be right, I know in highschool I was told pretty much what you said above about voltage being pressure etc. But the problem i have with that is that pressure is force per unit area, but when you have a voltage across a battery their is no charge, and thus this force cant be exerted on anything. One current starts to flow that makes sense, but initially if there is no current then how can the voltage be a pressure driving it? Because voltage is independent of current.
No, current is another word for amps, which is the flow of 6,000,000,000,000 or so electrons per second and yadda yadda yadda. for a battery, the charge is stored in the terminal and electralyte, or one of them atleast, anyway, but there is current. In fact, batteries tend to have a high current. Some car batteries have several hundred amp, many times that of a wall outlet. but no, voltage is not independant of it. Think of it this way: The electron is a car, and the voltage is the horsepower.
Luthhmor, actually your wrong, in your analogy you state that voltage is like a pipe with no water, and amerage is the flow of water in the pipe, well actually voltage is a pipe full of water with no amperage, its the potential in the full pipe, then amperage is the potential of the full pipe under flow. thanx, im an engineer
@whiteknightef What you just said is a repeat of what i said... Or at least what I meant. The size of the empty pipe directly relates to the amount of "potential" water that could fill it, of course not moving, and moving would represent amperage. So were pretty much saying the same thing.
If you read the instructions, I think it mentions the use of the resister or a led diode to put up a load in the atx power supply, But another question was, if you disconnect the light bulb, does the unit turn off? or surge its amp output?
What he means is why didn't he just use the existing power switch... If he had connected the line directly to ground without using the switch than it would have turned on and off with the existing switch instead of having two.
see i was thinking about doing such a thing to power my car amp at home.... where did you get that info on how to convert a power supply like that? can u mail me the link or file? also is it only this particular power supply or it works for all of them?
it's not dangerous...it's 32amps at 12V. A diesel car battery has 12V 80 amps, but you don`t die. it's all about the resistance... you need a stronger voltage until the 32amps kill you.
My power supply has some green connection that lead to the 20+4 cable, and all I had to do was place the end of this to a ground and voila- it works. Yours must be a bit different then...
Hey man, to make this turn on properly and stay on, "nut" the green to Trigger wire to one of the black wires.. The power button on a computer, "Shorts" those together. *Xy;
Hoorah, liked your alternator vid for the HHO Myers project too.... definitely a Ninja..LOL
its only 12v, not enough to kill you. depending on the person, its about 80V needed to penetrate the skin. As long as you dont lick the 12v line with the GND, you wont die lol.
Amperage kills you, not voltage. If you grab ground wire in one hand the 12V in the other, the current will want to travel up one arm, across your chest (and through your heart) and back down the other arm (path of least resistance). However, this path has a very high resistance, thus not much current will be drawn and hence non-lethal. If you up the voltage, the current will increase. Increase enough, and the current will be enough to stop your heart (30mA DC if i recall correctly).
YES! This is true but you miss the other half truth. Voltage DICTATES the current flow. 10A @ 5V is different than 10A @12V. the latter will probably kill you.
@belair216 It can not kill you at this voltage level. Human body needs only 10 milliamps in order for you to be electrocuted and human body has high resistance so it needs hundreds of volts before 10 ma flow to your body.
@belair216 considering that it's the voltage which determines what current flows (aka ohms law) I'd say both voltage and current are equally responsible for any death.
@spinctah Not true, Resistance determines current flow based on potential voltage difference, amperage is all that is needed to stop your heart, and not much. 12V can be very dangerous if you lower your resistance to the flow of current. As it stands, the normal body has a resistance which nullifies voltages below ~40V, but if you are in a bath tub full of salt water you might disagree.
@belair216 not true at all, you can have hundreds of thousands of amps and you wont even feel it if theres not enough volts, please research before you make stupid comments
You could have just told it nicely considering he posted the thing nearly 2 years ago. For others, just use a gun analogy. The voltage is the gun, the amperage is the bullet.
1000 guns and 0 bullet = 0 dead.
0 gun and 1000 bullets = 0 dead.
1000 guns and 1 bullet = 1 dead.
1 gun and 1000 bullets = 1000 dead.
With that, I think anyone could understand why is it that it is the ampere that kills and not the voltage.
@BestXGrip Kinda true... but amperage is directly proportional to Siemens and if you have an open cut there is MUCH less resistance. So really it is kinda misleading to say that its not the volts that kill you. Of course a static shock, which is in the kv range, is resulted from a small amount of capacitance, and that is not the case with real world equipment.
@FullWaveElectronics Also the higher the voltage the more likely for it to go through your high resistance skin and break through beneath the skin which is really LOW resistance. Which in turn allows high amperes.
can someone help me? as we all know to build a circuit you must connect the positive and negative. i can see that the red wire in this example is obviously positive so do you just connect the other end of the thing to the black wire???
Yes you do, in DC your black is usually (supposed to be most of the time) the negative lead. The yellow is actually a different positive lead, with 5 volts on it. You can hook something up to either lead you choose!
hey is there a way i can power 620 watt amp with 2 atx psu's? one is 500 watts and the other is 300 watts and i need at least 12-14 volts and 40 amps of power or more is there a way i can do this without buying extra parts and plugs??
can some one help me with a p6 or p7 plug? it fell off and now i get fps lagg harder then ever ,just bought a new g card didnt help ,i know its the plug that fell off,if some one can help me pm me.ty.
Wow again with the overrated mom jokes haha seriously do you not have anything better to do than go on the internet and start fights with people? Get a life kid.
good explaination...but WHAT can you use it for!?!?!!?!
Also HOW do you use it? This would also be useful to explain.
e.g. If I wanted to use it for charging 12v batteries I would connect it to the yellow (+12v) and the black (GND) then switch it on, right? Would I have to trick it into having a load...since it has a battery on it...this would also draw power. Yes? or not?
No, you would have to put some kind of a charger circuit in between the battery, or else you would run too high amerage through it and kill it pretty fast.
The "dummy load" is not essential on all ATX power supplies, mine works great without, the only thing needed is to short the GREEN wire to ground, to start it
also if you add a variable resistor it will let you control the voltage but im not quite sure on that and how to know what the voltage is at that moment unless you add a voltmeter IDK just a suggestion
y not use an older psu like a AT not a(n) ATX because if i remember right an AT PSU does not require a load to be on it to stay on also if you make it short out like you did with this one it will turn back on in a few secs unlike this one where you have to physically turn it on and off
This is a good cheap DC power supply for some applications , I've raided quite a few obsolete PC's to do just this over the last 5 years or so !! One thing 2 b aware of for some applications , they r switch mode supplies , so there cud b noise on the output and also possible radiated field.
I have obtained a computer power supply for free.. Careful... I am getting something ( a lab power supply ) from nothing.. Over unity again He, he, he And People still say it can't be done. Any way the colours of some of my wires are different. I have many black. many red, 3 orange, 3 yellow, one each of green, blue, grey and purple, but no white.
i just finished testing mine and it turns on right when i plug it in. i havent set up the ends of the wires for use yet. so that means it turns one without any load. i connected the green wire with the black wire and left the other spare wires (pink)(brown)(blue)etc. unused.
can i for eg. connect my red and black 5V & ground strait to my fuel cell with out all that stuff it says to put into the ps.? and not have the power supply burning out or breaking??
i have a really big Question to ask you?... do you have to do all that stuff it says like get leds and power resistors? etc. i dont have any of that stuff and wont get my hands on it till next week when im back in uni. i got a power supply from a old pc. and it came with its own power Switch. can i just use it with the all the grounds striped and wired together . and all the reds striped and wired together and all the yellows striped and wired together.???????????????????
That is an interesting idea for modifying it. For now the power supply will stay on with the HHO-Cell directly hooked up without the automotive 12V* bulb.
I doubt that you could demand and actually get the combined output unless this a 400 watt supply? (or there about)
I know you said in the video that you were going to use this at 5 volts, is there a particular reason for doing so? I am sure you will be trying it both ways.
What would be really cool is for someone to come up with a modification to be able to drive the output at a pulsed frequency.
Yes some of these higher end power supplies can satisfy the wattage. Possibly 400watts plus. The thing is, the "Lab Power Supply" is more for discovery. Getting your hands dirty so to speak.
Really makes for a great desktop unit so you can dabble in the arts of HHO production and plate construction.
I have some plans for the small power output anyway, stay tuned. If everything works out, should have very efficient means to accomplish this with the ATX PSU. --HOAX--
I had a 600W ATX hooked up with all the extras followed the directions closly, and it burned out. It was hooked up to my hho cell using the 12V and the ground rated at 20A, even had a 15A fuse in between the cell and the ATX and it still burned out? Do you have any ideas why? this is the second ATX I burned out this month im stumped, it ran for about 30 min before it bit the dust. the fuse never blew.
A good rule of thumb > better quality supplies weigh in at 5 pounds. Another is actual efficiency, you will notice when shopping, the better units regardless of Manufacture that again weight usually is in that equation.
It would help to know the true size of your cell as the larger (square area)it is the more current it will demand unless you have a way of regulating it. Your poor 600 Watt unit was no doubt over loaded.
well it was one of the better units they sold at this pc store but I dint weigh it. The cell is similir to a stan meyer cell but it only has 6 tubes at 5" long. the O.D. tubes are 1" and the Inside tubes are 3/4" O.D. I dont use any electrolyte just plain tap water so I know their is more resistance than other cells. is their a way I can regulate the power that the cell draws so I dont overload the ATX? maybe a resistor? or PWM?
It was suggested to use the 5Volt side of the supply. No where in my videos did I say the 12Volts on the supply would be used.
The 5Volt barrier between your plates has a better tolerance for not letting bad characteristics take place in the HHO-Cell. As in AMP run-away due to heat, high content of electrolyte, etc.
Thanx, I apologise I was not refering to your video, I actually got this information some where else on the web, the same instructions you showed on your video. I burned out my 2 ATX sources before I ever watched your video. thanx for the tip though.
Yea, I was going to do that until discovered that its not needed all together as long as the HHO-Cell is hooked up. It turns on without the bulb. Thanks for the heads up.
awsome video SirHoax this is what it is all about helping each other to reach a common goal without killing ourselves in the process. Thanks for all your help
if you open it up, and find a green wire and black wire that was originally went to the mobo main plug, connect them, and PSU will be fooled into thinking its plugged into a mobo, and will power up with switch. No need for dummy load that way.
brotherbriann 1 week ago
Anyone know how to do this on a Compaq PDP-115 power supply? I'm shorting what should be the correct pins, but no dice. I've also tried shorting the green wire to ground, and I get nothing.
themaritimeman 2 weeks ago
@themaritimeman Got it! On the Compaq PDP-115, you short pins 3 and 4, which are the white power-on wire and the green +5V AUX wire, respectively.
themaritimeman 6 days ago
keep the wire apart ! lol or you'll end up catching erm and short it
mattwho1980 3 weeks ago
just a question
why didn't you set aside 2 wires and permanently connect the light to the wires that way you won't have to faff about with the connections
shelladavis 1 month ago in playlist fjfkifk
How come when I put the yellow or reds together, it shorts out? I do the exact same thing but cant get it to work, wtf?!
seansuth 1 month ago
Just jumper pin 14 of the power supply plug to any black ground and you won't need the lightbulb
dockspa 3 months ago
@bestxgrip thats a pretty cool way to put it, ive never thought of it like that
jake3085 4 months ago
Why install a switch next to the built in switch? Seems a little redundant...
AlabamaRiverMan 4 months ago
The HowTos mention some 10Ohm 10Watts Powerresistor. Some think its meant to drain the capacitors on "power off" mode for safety. i dont think so. For draining a much higher resistance and less powery (less watts) would do just the same i guess. I guess the 10 Watt resistor is used to build a artificial load at the PS to help it start up (or keep it up running) . it seems the different HowTos are not all properly made and mention different reasons and parts lists.
axel1973w 4 months ago
What is the purpose of a lab power supply? I've seen alot of videos on how to make them, but I don't understand why.
Please explain, thanks. =)
wnwanted94 8 months ago
soooo just group all same colored wires then?
shinyfuzzy 8 months ago
can this power supply run for 24 hours without stop, or it will damage it ?
ihatebrazil3 9 months ago
@ihatebrazil3 Most supply's are built to run 24/7.
ccraig412 8 months ago
Put a power resistor between the +5volts and the ground, your power supply will stay on
thehenri96 9 months ago
Why not use one of those AC to DC multi converter where you plug into the wall socket? just cut the tip off and replace it with aligator clips? you can change the voltage on them too.
ujayet 10 months ago
i know it
legodudes9 10 months ago
Could you use a resistor as a load to turn it on?
Aviator14 10 months ago
@Aviator14 Yes
orefat 8 months ago
hey i am going to buy a coolmax 500 wat psu and when i checked the specks it said 5v @ 45 amps, 12v @ 17 amps and some other connections. i was just wondering if the 5v amperage is to high for some standered hho generators. please respond thanx
jordorama1 10 months ago
As long as You don't open the cover it won't kill You, but it can give severe burns through welding effect.
IF You open the cover You WILL get a severe electric chock even if it isn't connected to the mains, EVEN IF IT HAS BEEN DISCONNECTED FOR A LONG TIME, EVEN DAYS!!!
And if You open it while it's connected, well, then You will be removed from the evolutionary genepool in a true Darwinian fashion. You have been warned.
ProfessionalCritic1 10 months ago
Ain't the fans a sort of load?
nikulp68 10 months ago
you might wanna put a circuit breaker on the 12 volt or whatever line you intend to use... unless ya might like to blow up your $10 ?? psu lol
I'm using a 15 amp rectifier on my 12 volt line, I gotta cheezy brand 300 watt psu :-\
Me102288 1 year ago
sirHOAX, I've read the original article at the wikihow.com, but I don't understand why did they put a 10ohm power resistor between +5V and gnd? That's just eating a lot of power for nothing.
TheHexorg 1 year ago
Could I run two peltier plates off this simultaneously? one running at 12V - 15.2V / 9 amps and the other 12V - 15.2 / 6 amps.
MindCrazedBanjo 1 year ago
@MindCrazedBanjo too many amp draws I would think.
00011theman 10 months ago
wait what? i dont need to trick it into thinking there is load you just solder the 4and the 6 pin together and that makes it think a motherboard is connected :P easy as pie, well actually pie is more time consuming
super3slug 1 year ago
@super3slug make that pin 14 to 15 on a 20 pin motherboard cable and 16 to 17 on a 24 pin. :P
super3slug 1 year ago
hmm always wondered if you could combine the rails like that. Good to know.
And yeah there's not enough volts to do any harm here. In fact I was playing with 9 volt batteries once, I daisy chained 13 of them until I could feel a shock. Came up to a little over 120 volts DC too.
redsquirrelftw 1 year ago
Can you combine 2 power supplies together to provide more amperage?
atomdragon4 1 year ago
@atomdragon4 check ebay for 'lambda power supply' they have various different voltage outputs at various amperage handling capabilities. found one there myself that was rated 5volts @ 120 amps. which is really an amazing output if you ask me. but it depends what you are looking for. if you need amperage would go that route. rather than try to tie two together. best of luck.
sirHOAX 1 year ago
@sirHOAX I just don't understand why you tie all of the wires of the same color together? would one wire of each color work the same?
frosty1433 7 months ago
@frosty1433
you do this because one of those small wires will only hold a amp or two before they burn out. That is the trick to delivering 30 or so amps to one load. Divide up the current flow between all the wires to keep the current in each wire below rated max current
dumbpeopleannoyme 5 months ago
@dumbpeopleannoyme actually.... that makes a lot of sense to me. thanks.
frosty1433 5 months ago
@sirHOAX
You can easily tie two PSU's together, just make sure you chop one of the mains grounds or you will create a straight short from the output of one PSU to the ground of the other.
dumbpeopleannoyme 5 months ago
@atomdragon4
that would be dangerous. The current of 1 PSU is enough to pack a very strong punch. Doubling that will cause serious injury if u touch the wires with your hands
borki0 2 months ago
2:04 holly crap you were lucky your hand didn't complete the circuit!!
bmw2go11 1 year ago
@bmw2go11 The DC voltage is too low to shock but if shorted to ground the current flow could make a high current arc that "might" burn your hand and distroy the PS if it does not shut down quickly
123allrock 1 year ago
This has been flagged as spam show
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We need to put an end to this corruption ,start generating ur own electricity now.
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glennjgd 1 year ago
I want more!
dekarateman 1 year ago
will it run a pc fan?
NLmonsterNL 1 year ago
great idea thanks for the link.
urbex2007 1 year ago
LOL, Yes sir hoax I used the exact same information, any of you guys reading this thinking of doing this should get a copy of these instructions, there grate, and I have used them time after time, get a print out guys…. Good video, thanks.
Thom
fuelban 1 year ago
you should pull out even the 3 volts wire, my "lab" psu has 3V@25Amps, 5V@35Amps and 12V@19Amps
kyky0007 1 year ago
guy good job but do it right get 3 good terminals or 3 good 8 awg wire and wire it from inside to the mother board to terminal or whatever you connect it to. But other wise GREAT JOB
TrainMasterMan 1 year ago
I took my 400W ATX from PC and just connect green wire ( from 20 pin for motherboard ) with any black ( GND ) and it is turned ON. So i really don't understand 1:33 ? There is no any load but it is working. It's a good ATX, I just put it back in my PC so there is no any thing wrong with it. sorry because my english
milek021 1 year ago
@milek021 20 pin? It's time for you to spend some money for a new computer..
BlueBajs 1 year ago
@BlueBajs No, my PC is still working fine. Yes, it is old one with Intel (R) Pentium 4, 1.5Gb DDR1, Maxtor (PATA) 160 Gb HD and ATi9550 with 128Mb, but working ! xD
I´m joking, I allready bought new computer with Intel i7, but using a old one ( under Linux Ubuntu 8.04 ) too, because i need 2 PC for job. Greetings
milek021 1 year ago
how do u convert it in reverse? psu to 12v car battery?
dabaddon 1 year ago
I USE THE GND AND YELLOW
cankul98 1 year ago
i think its pretty sad that u had to search the internet to find out that all the different colour wires go together
anyways, im curious if its still working, ive done this b4 and it died quite fast.... i ran 2 motors in series from hours and it died (on12v, another power supply i used b4 only gave 6 amps and it worked fine, but the ATX power supply that was supposed to give 28 amps died)
hobomnky 1 year ago
@hobomnky
computers are mainly resistive loads with exception to a few small cooling fans. larger motors would cause more blowback and damage the psu. computer psu's are designed for sensitive components blowback is caused by a surge of voltage created by the collapsing magnetic field in an inductor / the motor.
prankmypants 1 year ago
@prankmypants What is "blowback"?? I have powered many inductive loads from computer ATX power supplies they are fine with it. If you have high voltage spikes (back-EMF), you risk tripping the internal overvoltage protection, but that only results in the power supply shutting down. Also, overcurrent is a risk with motors starting. It is fine to power motors from a power supply, that's why we have hard drives, CD/DVD drives, fans and even compressors/pumps (for cooling) in some PCs.
ubuntututorials 1 year ago
This has been flagged as spam show
I've been doing this since I was 5 years old.its kindergarten stuff.
henrylovesweed 1 year ago
I've been doing this since I was 5 years old.its kindergarten stuff.
henrylovesweed 1 year ago
where do u ground it to?
jonno3600 1 year ago
orange is 3.3 volt.
Nanobot02 1 year ago
in the video you show all the yellows as 12volt,orande as 5volt and all the blacks.what happens to all the reds and what power are they.
thanks prezo
prezo1 1 year ago
I have unused one I will try convert it soon
one question plz ... if I used 12V@ port is that really means I can push 17A ???
dndon2007 1 year ago
use the grey connected to black an it will stay on :/ ps put a switch inline so u have 2 switches 4 power
Jamieduk999 1 year ago
lol
Baraquiel62 1 year ago
This is no more a "lab power supply" than an AC wall adapter is. Lab power supplies have variable voltage control and at least one meter for voltage, usually a second for current.
morality101 1 year ago
Anyone who does this most likely will have a volt meter, a simple LM317 (etc) can give variable cheap and easy
erh7771 1 year ago
@morality101 Yes may be true but everything you just said can be replicated and added to this 20 dollar project. You insist that it isn't real until ou shell out 200-3,000 dollars? Just stupid. This is the 1st step, add those other gizmo's if you need them. Why throw this away if you can use it? People are so dumb.
dmgcat 1 year ago
@dmgcat First you replied everything I said can be replicated for $20, OK fine. Then you wrote that I insisted one shell out 200-3,000 dollars. You are mistaken because I did not suggest, imply, or in any way write that.
morality101 1 year ago
Excellent video, dude. I'm planning on doing this just this weekend. Quicko question though: once the system is one, we are to take our positive and negative leads.
When we choose two wires, say a yellow and a neighboring black one, it'll be at 12 Volts. At that voltage, mine is rated for 17 Amps. But in order to get all of the amperage promised, should we bundle all the yellow wires together and attach it to a lead?
I suppose I'm asking: Do I get the 12 V/17 A from each wire, or no?
pyropakman 2 years ago
@pyropakman i think you must bundle all of the yellow wires to get 17 A.
97bosko 1 year ago
@97bosko : Thanks bro!
pyropakman 1 year ago
@pyropakman You're welcome.
97bosko 1 year ago
what pcu r yu using.. how much watts on pcu..? ... i got 250w pcu for a 800w amp and two 10" speackers 270w rms ea speacker yu think i should get a better pcu?..
beacouse i cant have the amp not even to 1/4 of it full power ... becaouse this pcu automaticlly shouts off
alex25546383 2 years ago
@alex25546383
"i got 250w pcu for a 800w amp"
ROFL
Lokivoid 1 year ago
you could of got 3v, 14v, 16v and 24v aswell
habzh 2 years ago
hey is that bulb in place of the resistor that it has on the wikihow website
panzuman 2 years ago
i need help, ive converted my psu, and ive read if im going to use it constantly i don't need a resistor, i want to hook it up to my amp and stereo, but when i hook up my stereo it turns on, then when i hook up the amp the power supply turns off, why is this? is the amp looking for too much volts that it over loads? im a going to need a nother power supply just for my amp?
100407chrisnjenny 2 years ago
to clear thinks up you can touch any of the leads and it wont kill you. yes the amperage is enough to kill you but they will never reach your heart, you need higher volts for that to happen.
florianvirtosu 2 years ago 3
for what your psu is rated for you can get by with a few less leads from your source 2X12v, 3X5v, 5~6XG.
nice video and its great to see people using grommets.
DarcyAerisWood 2 years ago
halfbakery . com/idea/Cheap_20welder
nice welder idea for 3 smps.
Ibringthetruth1 2 years ago
Interesting project. I can see where some putz is gonna get the crap shocked out of him trying this.
DrDragon63 2 years ago
what the f is this ??
darkanonymousd 2 years ago
Cool project!
The voltage is the measure of electricity present on the line
Amperage is the flow of current through the line
Devices are rated by both of these measurements and/or AC or DC
peace :)
haansgruber 2 years ago
what happens in a circuit with the power supply
MrThomassss 2 years ago
can a 5volts run an amp?
dyingangelo 2 years ago
Voltage actually means nothing. The parallel to voltage and amperage is like plumbing.
Voltage is the size of pipe you have, it determines how much "water" (current) can flow through, it also in a way makes current flow more readily. But voltage really means nothing, i mean a huge pipe with no water, is just a huge pipe.
luthmhor 2 years ago
no, amps would be how much water is flowing, voltage is how much power or pressure drives it, and the size of the pipe is the guage of the wire.
knoxarama 2 years ago
You might be right, I know in highschool I was told pretty much what you said above about voltage being pressure etc. But the problem i have with that is that pressure is force per unit area, but when you have a voltage across a battery their is no charge, and thus this force cant be exerted on anything. One current starts to flow that makes sense, but initially if there is no current then how can the voltage be a pressure driving it? Because voltage is independent of current.
luthmhor 2 years ago
No, current is another word for amps, which is the flow of 6,000,000,000,000 or so electrons per second and yadda yadda yadda. for a battery, the charge is stored in the terminal and electralyte, or one of them atleast, anyway, but there is current. In fact, batteries tend to have a high current. Some car batteries have several hundred amp, many times that of a wall outlet. but no, voltage is not independant of it. Think of it this way: The electron is a car, and the voltage is the horsepower.
knoxarama 2 years ago
Luthhmor, actually your wrong, in your analogy you state that voltage is like a pipe with no water, and amerage is the flow of water in the pipe, well actually voltage is a pipe full of water with no amperage, its the potential in the full pipe, then amperage is the potential of the full pipe under flow. thanx, im an engineer
whiteknightef 2 years ago
@whiteknightef What you just said is a repeat of what i said... Or at least what I meant. The size of the empty pipe directly relates to the amount of "potential" water that could fill it, of course not moving, and moving would represent amperage. So were pretty much saying the same thing.
luthmhor 1 year ago
would be better if you used a 5w resistor, or 10w, just so u don't have light radiating all over the place
rroge5 2 years ago
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JuligJars 2 years ago
very nice
rfjgfude 2 years ago
is it posible 2 use a computer power supply 2 connect it 2 the xbox 360's Black FAN???
so im wonderin if its posible okay let me no if it can be done and how it can be done.
lilCizma 2 years ago
If you read the instructions, I think it mentions the use of the resister or a led diode to put up a load in the atx power supply, But another question was, if you disconnect the light bulb, does the unit turn off? or surge its amp output?
electronad 2 years ago
5 * again . I love this channel . Thank you for all the nice uploads !
reachthelight 2 years ago
I made a guide for making one of these here: c l u s t u r . c o m / n o d e / 8
Sorry, I cannot add a link unless I add spaces. Hope this helps someone!
cmwslw 2 years ago
It looks like the fan next to the switches has a light in it. What does that aditional switch next to the main power switch do?
Lachlant1984 2 years ago
it starts up the power supply without a pc mainboard.
SmashCOBamberg 2 years ago
What he means is why didn't he just use the existing power switch... If he had connected the line directly to ground without using the switch than it would have turned on and off with the existing switch instead of having two.
Prometheus203 2 years ago
see i was thinking about doing such a thing to power my car amp at home.... where did you get that info on how to convert a power supply like that? can u mail me the link or file? also is it only this particular power supply or it works for all of them?
LaZyLuke 2 years ago
it's not dangerous...it's 32amps at 12V. A diesel car battery has 12V 80 amps, but you don`t die. it's all about the resistance... you need a stronger voltage until the 32amps kill you.
buzdugan2k 2 years ago 8
ooh wait, nvm.
My power supply has some green connection that lead to the 20+4 cable, and all I had to do was place the end of this to a ground and voila- it works. Yours must be a bit different then...
bkisme 2 years ago 3
You don't need to use the light... all you need to do is put the ends together...
bkisme 2 years ago
Hey man, to make this turn on properly and stay on, "nut" the green to Trigger wire to one of the black wires.. The power button on a computer, "Shorts" those together. *Xy;
Hoorah, liked your alternator vid for the HHO Myers project too.... definitely a Ninja..LOL
Major..Out... *Xy;
MajorUtah 3 years ago
This must be really dangerous!!! can it kill you if you touch it? either the 5 or the 12 volt??? tell us the safty tips.
SARKOOZAI 3 years ago
its only 12v, not enough to kill you. depending on the person, its about 80V needed to penetrate the skin. As long as you dont lick the 12v line with the GND, you wont die lol.
wrxsti111 2 years ago
It's not the voltage that kills you it's the amperage
belair216 2 years ago 37
so wat ur saying is that 12v @ 60A isnt enough to kill?
wrxsti111 2 years ago
Amperage kills you, not voltage. If you grab ground wire in one hand the 12V in the other, the current will want to travel up one arm, across your chest (and through your heart) and back down the other arm (path of least resistance). However, this path has a very high resistance, thus not much current will be drawn and hence non-lethal. If you up the voltage, the current will increase. Increase enough, and the current will be enough to stop your heart (30mA DC if i recall correctly).
MrOpcode 2 years ago
12v 60A can kill, all you have to do is probe it through your arm or anywhere in ur body lol
wrxsti111 2 years ago
@belair216
YES! This is true but you miss the other half truth. Voltage DICTATES the current flow. 10A @ 5V is different than 10A @12V. the latter will probably kill you.
BillyJimmyLee 1 year ago
@belair216 It can not kill you at this voltage level. Human body needs only 10 milliamps in order for you to be electrocuted and human body has high resistance so it needs hundreds of volts before 10 ma flow to your body.
gigabrid 1 year ago
@belair216 actually its both ...
thesten99 10 months ago
@belair216 considering that it's the voltage which determines what current flows (aka ohms law) I'd say both voltage and current are equally responsible for any death.
spinctah 6 months ago
@spinctah Not true, Resistance determines current flow based on potential voltage difference, amperage is all that is needed to stop your heart, and not much. 12V can be very dangerous if you lower your resistance to the flow of current. As it stands, the normal body has a resistance which nullifies voltages below ~40V, but if you are in a bath tub full of salt water you might disagree.
dumbpeopleannoyme 5 months ago
@dumbpeopleannoyme True. It only takes 1/10 of an ampere to stop your heart.
musikalfuture 2 months ago
Also, remember that once current starts to flow your natural resistance is lowered considerably.
dumbpeopleannoyme 5 months ago
@belair216 not true at all, you can have hundreds of thousands of amps and you wont even feel it if theres not enough volts, please research before you make stupid comments
jvcrules 5 months ago
@jvcrules
You could have just told it nicely considering he posted the thing nearly 2 years ago. For others, just use a gun analogy. The voltage is the gun, the amperage is the bullet.
1000 guns and 0 bullet = 0 dead.
0 gun and 1000 bullets = 0 dead.
1000 guns and 1 bullet = 1 dead.
1 gun and 1000 bullets = 1000 dead.
With that, I think anyone could understand why is it that it is the ampere that kills and not the voltage.
BestXGrip 5 months ago
@BestXGrip Kinda true... but amperage is directly proportional to Siemens and if you have an open cut there is MUCH less resistance. So really it is kinda misleading to say that its not the volts that kill you. Of course a static shock, which is in the kv range, is resulted from a small amount of capacitance, and that is not the case with real world equipment.
FullWaveElectronics 2 months ago
@FullWaveElectronics Also the higher the voltage the more likely for it to go through your high resistance skin and break through beneath the skin which is really LOW resistance. Which in turn allows high amperes.
FullWaveElectronics 2 months ago
is it dangerous or lethal? if you have 32 Amps run trough your heart???? This must be really dangerous.
SARKOOZAI 3 years ago
through your heart u need about 50mA if i remember good.... the thing is it will never make it to your heart.... this wont make it through your skin
LaZyLuke 2 years ago
youre wrong bro the red one is only 5 volts the uellow one is 12 volts and the black one is obviuously negative. thats the color coding.
jay68521 3 years ago
good tip! rated this an five
37474748 3 years ago
can someone help me? as we all know to build a circuit you must connect the positive and negative. i can see that the red wire in this example is obviously positive so do you just connect the other end of the thing to the black wire???
videosrock654 3 years ago
Yes you do, in DC your black is usually (supposed to be most of the time) the negative lead. The yellow is actually a different positive lead, with 5 volts on it. You can hook something up to either lead you choose!
wesmckay 3 years ago
Nice, i plan to use it for anodizing aluminum!!! ill post a video response as soon as i make it.
INFAMOUSzooYork65 3 years ago
Very cool and enjoy your toy.
AG4NK 3 years ago
hey is there a way i can power 620 watt amp with 2 atx psu's? one is 500 watts and the other is 300 watts and i need at least 12-14 volts and 40 amps of power or more is there a way i can do this without buying extra parts and plugs??
kman915 3 years ago
can some one help me with a p6 or p7 plug? it fell off and now i get fps lagg harder then ever ,just bought a new g card didnt help ,i know its the plug that fell off,if some one can help me pm me.ty.
kushw33d 3 years ago
what graphics card is it?
kewie727 3 years ago
How do I check my power supply?
myfreetime123 3 years ago
This comment has received too many negative votes show
you feel your mums holes
kewie727 3 years ago
Wow again with the overrated mom jokes haha seriously do you not have anything better to do than go on the internet and start fights with people? Get a life kid.
myfreetime123 3 years ago 3
haha I cringed every time those wires got bumped closer together!
riotpack 3 years ago
You can actually also get 24 volts if you use the -12v as the negative, and the 12v as the positive.
planewaves 3 years ago 3
It's all about the Potencial difference
geowal19 3 years ago
This is great... thanks much
rmahanian 3 years ago 2
I got mine done, I'm gona try making a video. Thanks for the idea.
tjgame2 3 years ago 2
I had to connect my green wire to the ground to make it run.
tjgame2 3 years ago
Of course, that is ATX standard!
mladanada 3 years ago
im just wondering can u use 1 of these to charge a car battery it turns it from ac to dc right
mike081283 3 years ago 2
I'm gona make one right now. Its like a computer grave yard in my shed.
tjgame2 3 years ago
good explaination...but WHAT can you use it for!?!?!!?!
Also HOW do you use it? This would also be useful to explain.
e.g. If I wanted to use it for charging 12v batteries I would connect it to the yellow (+12v) and the black (GND) then switch it on, right? Would I have to trick it into having a load...since it has a battery on it...this would also draw power. Yes? or not?
???
ogicabp4u 3 years ago
No, you would have to put some kind of a charger circuit in between the battery, or else you would run too high amerage through it and kill it pretty fast.
The "dummy load" is not essential on all ATX power supplies, mine works great without, the only thing needed is to short the GREEN wire to ground, to start it
antoneliasson92 3 years ago
Krumlink suggested but did not explain why and cotton509 was not to easy to understand.
Thus I explain.
Connecting one each green wire to a black wire eliminates the need for a constant load to turn the unit on.
In my unit I did this and it works with no need for a load. I have not used it but twice since I did this, however both times it performed flawlessly.
ThndersRage 3 years ago
thanks indeed very simply.5 stars
bonggorospe 3 years ago
yay!!! im finished! it works great with my hho cell! i'll post a vid if my computer lets me and if i want to.
carrierpilot1357 3 years ago
mine has +3.3v at 20.A,+5v at 30A,+12v at 15A,+5Vsb at 2.0A, -5V at 0.5A,and -12V at 0.5A. I will probably do this so i can use it for my hho cell.
carrierpilot1357 3 years ago
thats is good but short the atx connector so twqo pins are connected they are spesivic them fliup it it will turn on
cotton509 3 years ago
also if you add a variable resistor it will let you control the voltage but im not quite sure on that and how to know what the voltage is at that moment unless you add a voltmeter IDK just a suggestion
pdegameplayer 3 years ago
y not use an older psu like a AT not a(n) ATX because if i remember right an AT PSU does not require a load to be on it to stay on also if you make it short out like you did with this one it will turn back on in a few secs unlike this one where you have to physically turn it on and off
pdegameplayer 3 years ago
can you link 2 power supplies togethor for mor wattage? help is very appretiated
sabbays 3 years ago
Mine also gives 3.3 volts
ComradeLynx 3 years ago
I love mine! :D
ComradeLynx 3 years ago
this is perfect, 32 amps, it was what i was looking for for pyrothenics!
monserpq38 4 years ago
This is a good cheap DC power supply for some applications , I've raided quite a few obsolete PC's to do just this over the last 5 years or so !! One thing 2 b aware of for some applications , they r switch mode supplies , so there cud b noise on the output and also possible radiated field.
turboslag 4 years ago
Thanks for the demo. I downloaded the same sheet before finding you video. The lamp trick helped. Thanks again!
mojo5157 4 years ago
Connect the Black wire to the Green wire.
:D
Krumlink 4 years ago 4
lol :D
TempesTr 4 years ago
I have obtained a computer power supply for free.. Careful... I am getting something ( a lab power supply ) from nothing.. Over unity again He, he, he And People still say it can't be done. Any way the colours of some of my wires are different. I have many black. many red, 3 orange, 3 yellow, one each of green, blue, grey and purple, but no white.
gregted1 4 years ago
i just finished testing mine and it turns on right when i plug it in. i havent set up the ends of the wires for use yet. so that means it turns one without any load. i connected the green wire with the black wire and left the other spare wires (pink)(brown)(blue)etc. unused.
jmoyet 4 years ago
so i now have my on off swich.
my black ground,
red 5v
and yellow. 12v
can i for eg. connect my red and black 5V & ground strait to my fuel cell with out all that stuff it says to put into the ps.? and not have the power supply burning out or breaking??
steve
harpersteven 4 years ago
i have a really big Question to ask you?... do you have to do all that stuff it says like get leds and power resistors? etc. i dont have any of that stuff and wont get my hands on it till next week when im back in uni. i got a power supply from a old pc. and it came with its own power Switch. can i just use it with the all the grounds striped and wired together . and all the reds striped and wired together and all the yellows striped and wired together.???????????????????
harpersteven 4 years ago
hay just connect one of the fans to it so it will stay on
pitbike2006 4 years ago
That is an interesting idea for modifying it. For now the power supply will stay on with the HHO-Cell directly hooked up without the automotive 12V* bulb.
Regards, --H0AX--
sirHOAX 4 years ago
5V @ 35a =160 Watts
12v @17a = 204 Watts
I doubt that you could demand and actually get the combined output unless this a 400 watt supply? (or there about)
I know you said in the video that you were going to use this at 5 volts, is there a particular reason for doing so? I am sure you will be trying it both ways.
What would be really cool is for someone to come up with a modification to be able to drive the output at a pulsed frequency.
Very nice work sirHoax ;>)
CTOL1 4 years ago
Yes some of these higher end power supplies can satisfy the wattage. Possibly 400watts plus. The thing is, the "Lab Power Supply" is more for discovery. Getting your hands dirty so to speak.
Really makes for a great desktop unit so you can dabble in the arts of HHO production and plate construction.
I have some plans for the small power output anyway, stay tuned. If everything works out, should have very efficient means to accomplish this with the ATX PSU. --HOAX--
sirHOAX 4 years ago
I had a 600W ATX hooked up with all the extras followed the directions closly, and it burned out. It was hooked up to my hho cell using the 12V and the ground rated at 20A, even had a 15A fuse in between the cell and the ATX and it still burned out? Do you have any ideas why? this is the second ATX I burned out this month im stumped, it ran for about 30 min before it bit the dust. the fuse never blew.
splocal 4 years ago
A good rule of thumb > better quality supplies weigh in at 5 pounds. Another is actual efficiency, you will notice when shopping, the better units regardless of Manufacture that again weight usually is in that equation.
It would help to know the true size of your cell as the larger (square area)it is the more current it will demand unless you have a way of regulating it. Your poor 600 Watt unit was no doubt over loaded.
CTOL1 4 years ago
well it was one of the better units they sold at this pc store but I dint weigh it. The cell is similir to a stan meyer cell but it only has 6 tubes at 5" long. the O.D. tubes are 1" and the Inside tubes are 3/4" O.D. I dont use any electrolyte just plain tap water so I know their is more resistance than other cells. is their a way I can regulate the power that the cell draws so I dont overload the ATX? maybe a resistor? or PWM?
splocal 4 years ago
It was suggested to use the 5Volt side of the supply. No where in my videos did I say the 12Volts on the supply would be used.
The 5Volt barrier between your plates has a better tolerance for not letting bad characteristics take place in the HHO-Cell. As in AMP run-away due to heat, high content of electrolyte, etc.
Regards, --HOAX--
sirHOAX 4 years ago
Thanx, I apologise I was not refering to your video, I actually got this information some where else on the web, the same instructions you showed on your video. I burned out my 2 ATX sources before I ever watched your video. thanx for the tip though.
splocal 4 years ago
sirhoax
Awesome! Five Stars*****!
Jack
dulcajack 4 years ago
Put a 10 Ohm / 10 Watt resistor inside to replace the lamp. Can pick up at Radio Shack.
dlwammo 4 years ago
Yea, I was going to do that until discovered that its not needed all together as long as the HHO-Cell is hooked up. It turns on without the bulb. Thanks for the heads up.
Regards, --sirHOAX
sirHOAX 4 years ago
There you go, Saving me more money. :-)
Thank you, your awesome!
CarbideTip 4 years ago 2
awsome video SirHoax this is what it is all about helping each other to reach a common goal without killing ourselves in the process. Thanks for all your help
water4fuel 4 years ago