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File: OEM switch.jpg (239 KB, 1500x996) Image search: [iqdb] [SauceNao] [Google]
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/diy/, I have a weird fucking problem. I just moved my PC into an HAF 912 case, and I can get the mobo and case fans to spin up, but I get NOTHING but a black screen unless I use the old dell case power switch (OEM).

Now, I traced the wires on the OEM switch to line up the new power switch, because a pinout diagram for this motherboard doesn't fucking exist. I match everything up precisely, power switch, HDD LED, power LED... except a couple on the OEM switch on the bottom that don't go to anything. There's no reset button on the OEM switch, it appears...
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theres 2 black wires that you need to connect also. you need to put those wires in the same position as on the original connector.
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>>919774
My case doesn't have an extra 2 random black wires. There's a wire for the reset switch, already tried that as a placeholder.
>>
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>>919755
>Motherboard doesn't have an ATX power connector.
I. What.

http://www.tomshardware.com/reviews/power-supply-specifications-atx-reference,3061-6.html

You have to bodge your own power switch because there is no way for your PSU in the new case to get the signal to turn on.

When you say the case 'powers on' do you mean an LED comes on somewhere or do the fans actually spin up and does it beep any POST codes?

Mostly
>in...
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File: $_3.jpg (54 KB, 800x569) Image search: [iqdb] [SauceNao] [Google]
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A stupid project I want to do is make a kart/mini cycle car with a bike engine, cuz revving to 15k going 60+ on a kart sounds like a blast. But I want to mount the drive package to the front but still have it rwd because 1) mounting it to the back is too easy so that's no fun and 2) weight up front means less wheelie.
I could run a long ass chain through a conduit but that would be an absolute pain. I toyed with how to adapt the chain drive to a driveshaft system with bevel gears as a ring and pinion but it would also probably be a pain to get it right and reliable....
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If you have a motorcycle junkyard around you could possibly modify the ass end of a shaft drivin wheel assembly to hold a shaft
Or another option would be an old golf kart axle
>>
They make shaft drive bikes?
>>
>>919750
BMWs are all shaft drives

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MERRY CHRISTMAS /DIY/!!!
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havin a /diy/ christmas tonight
wrapped all my presents
>my self
made all the food
>my self
gonna spend the holidays with all the people that love me
>my self

donna have a diy newyears also :)
>>
>>919628
>implying you didn't /diy/ the actual presents

that's the most important part
>>
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I asked for a dremel 4000 and the hand attachment from my in-laws/brother-in-law. We /diy/ now

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Hey /diy/, so I ordered a soldering pen for 3$ online which I admit was probably a mistake in its own, anyways it includes 2 soldering wires.
>pic related

Does anyone know if I can use these wires to solder on a circuit board? There is no instructions or descriptions of what material the wire is made out of, but all I know is that it's very flexible even more flexible than a regular staple.
44 replies and 5 images submitted. Click here to view.
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Go watch some YouTube videos on how to solder circuit boards, then bin that shit and buy something that will solder.
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>>919233
If he tins the tip, it will work perfectly fine on a circuit board.
It is a 30w afterall.

>>919231
Yes thats solder, yes you can use it on a circuit board.
No its not good solder, yes its advised to go buy decent solder at the store.
>>
Solder wire comes in 2 'common' types. Lead, and Lead-free.

Most old hands will tell you lead-free solder is utter garbage, blaming it for everything from tin-creep causing shorts, to poor thermal properties to causing cancer. I do know this: It requires much higher temperatures to flow nicely, meaning more stress on components during install and risking damage to legacy equipment.
In my job I work with a lot of 70's and 80's era stuff, which is all quite... delicate. Lead free is just too stressful to use for that stuff.

Lead solder is more workable at lower temps, more stable as it ages (no creep), although it does have a lot of NASTY side effects - It's lead after all and it was removed from modern electronics for a good reason. Prolonged exposure can make you sick, and it's effects are cumulative.

The solder your pen came with SHOULD be lead-free and SHOULD have a label saying so. If not, bin it and decide which you want to work with. You can find datasheets online for all solder types (A LOT more than just leaded/lead free, those are just the most common, and even then the alloys vary).

File: yui.png (417 KB, 647x328) Image search: [iqdb] [SauceNao] [Google]
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Does anyone have a good DIY cure for dandruff? I tried artificial lemon juice but that wasn't really working out for me.
14 replies and 3 images submitted. Click here to view.
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vinegar + water rinse. leave it in your hair for 5 minutes.
>>
>>918780
Depends on your hair really
Experiment.
I get dandruff from most shampoos except for like 2 brands I don't know why I don't like the price but hey it works and if you have extremely long hair like me combing it 2 times a day get rid of most of it
>>
>>918780
change shampoo
use fingers like a woman does when you are rinsing rather than just when applying will help but the right shampoo can stop it even if you pretty much jump out with lather still in your hair.

File: VbOG9.jpg (27 KB, 300x300) Image search: [iqdb] [SauceNao] [Google]
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Look at this refrigerator water valve. Is it in the OFF position right now?

Or is it only off when you turn the handle to the left, so the handle is perpendicular to the rest of the unit?

I know this is an incredibly retarded question, maybe the dumbest one this board has ever seen, but I could really use an answer. :/
19 replies and 4 images submitted. Click here to view.
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>>917590
Are you planning on buying it? Then there's likely some sort of reference sheet.
Do you own it? Just blow through it or something to know which position does what.
>>
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>>917590
You really couldn't manage to google this? You thought making an entire thread and waiting for people to respond was a more efficient way to answer your question? Are you 12 and never seen a valve before? WTF is going on here?
>>
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>>917591

I own it. It's embedded in my wall behind my fridge right now. But I just can't figure out which handle position means on or off.

And I suspect all these refrigerator water valves use the same structure, no matter the make/brand.

>>917593

I've spent an hour trying to google an answer. But nothing came up.

I know how retarded I am, guys. I apologize. Feel free to ridicule, I deserve it.

File: speed_comparison.jpg (45 KB, 738x313) Image search: [iqdb] [SauceNao] [Google]
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Reminder that this still is the cooles diy project to this date.

https://www.youtube.com/watch?v=aMli33ornEU
18 replies and 4 images submitted. Click here to view.
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dang
>>
>>915141
Must know how, this is brilliant!
>>
>>915332
click the description on that vid

File: WIN_20151224_155423 (2).jpg (23 KB, 255x151) Image search: [iqdb] [SauceNao] [Google]
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Hey diy, i need some help, while fixing a T.V. i found a capacitor that it's not polarized and i fail at recognizing if it is a kind of capacitor i didn't knew about, and sorry about the resolution
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this is the other side
>>
and yes it exploded
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>>919618
maybe some ant can help you decipher that

File: pk-07.jpg (135 KB, 850x520) Image search: [iqdb] [SauceNao] [Google]
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sup /diy/

So X-mas is in a few days, and i found the *PERFECT* gift for my little brother, who just recently started getting into pokemon. My original Pokemon Blue cart! And my save file(which i poured more than 200 hours into) is still there too! Problem is, i bought it back in '98, so the fact that my save is still there is amazing enough, but its probably a matter of days/weeks before that battery that is keeping the save file dies.
I have all the parts i need to swap the battery out(Soldering iron, solder, the replacement 2025 battery) and i see there are...
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>>918210
I don't know about replacing the battery, but first I'd use a Pokemon Stadium (N64) cartridge and a transfer pack to backup all your pokemons (is that the plural for pokemon?) and then change the battery.

Also, maybe /vr/ will know better.
>>>/vr/
>>
>>918215
Pokemii
>>
>>918215
yeah, no N64/stadium/transfer pack... Plus that would be tedious as fuck since I had something like 80 pokemon(and 20 or so that were really high level)

I'll try asking /vr/, thanks for that suggestion.

who generally electronics here?

>I'm new to electronics, where do I get started?
There are several good books and YouTube channels that are commonly recommended for beginners and those wanting to learn more, many with advanced techniques. The best way to get involved in electronics is just to make stuff. Don't be afraid to get your hands dirty.

>Links to get started
http://pastebin.com/9UgLjyND

also, general electronics thread
255 replies and 43 images submitted. Click here to view.
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>>915959

first for flyback transformers
>>
>>915959
Is he trying to run continuity tests on smd components with a big ass probe? The thing is like twice the size of the pads.
>>
Best oscilloscope for ~500€?

File: hemisphere10-large.jpg (11 KB, 400x294) Image search: [iqdb] [SauceNao] [Google]
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sup DIY

does anyone knows how to do a cone like in the pic?

the exhaust on my bike has that part joining the mufflers with the pipes and i cant find them off the shelve, and cant figure out how to do them
12 replies and 5 images submitted. Click here to view.
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>>919397
https://www.youtube.com/watch?v=bA1t-5o0Lws

everything you want to make shapewise has been done in sheetmetal... scale the instructions appropriately...

practice in tagboard... it's a hell of a lot cheaper than sheetmetal...
>>
http://www.i-logic.com/conecalc.htm
or any of the dozens of other cone layout calculators
>>
File: cone.png (17 KB, 432x270) Image search: [iqdb] [SauceNao] [Google]
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Here's the drafting method

circumference = 2 * pi * R
arc length = AngleDegrees * pi/360 * 2 * R

File: 1448743091321.jpg (97 KB, 915x960) Image search: [iqdb] [SauceNao] [Google]
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what are some rare skills and how do I learn them
9 replies and 3 images submitted. Click here to view.
>>
Jeweler.
Learn by working with a jeweler.
>>
>>918301
Shitposting
Learn by [spoiler]lurking moar[/spoiler]
>>
File: jew laugh.gif (2 MB, 359x346) Image search: [iqdb] [SauceNao] [Google]
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>>918301

File: jekyllandhyde.jpg (8 KB, 284x177) Image search: [iqdb] [SauceNao] [Google]
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I was fixing a hole in my basement today from another diy project gone wrong. Upon clearing the drywall (brown backed) hole I noticed that some areas that had been chipped had little clear/silver hairs popping out ...it was isolated and maybe in one or two area with maybe a handfull of tiny little strands sticking out. My question is...what the hell are they? It cant be asbestos as this basement was built around 2000...I know nothing about drywall so maybe someone can help?
13 replies and 3 images submitted. Click here to view.
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>>915989
Mildew
>>
>>915989
We still very much use asbestos today.

>tfw cheap building materials
>>
>>915989
fibre strands
also sucks to breathe

File: IMG_20151223_171056.jpg (2 MB, 4160x2340) Image search: [iqdb] [SauceNao] [Google]
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Real desks have curves. Here's my sit/stand battle station that I'm currently building. It's missing a keyboard tray, CPU holder, and 3rd monitor.
15 replies and 4 images submitted. Click here to view.
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>>919382
I don't think that a word exists for how uncomfortable that looks
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>>919382
what are those telescopic legs?
>>
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>>919389
Yep! Powered by linear actuators.

File: Solar-Panel-1.jpg (49 KB, 539x650) Image search: [iqdb] [SauceNao] [Google]
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Hello all,

I know PV panels degrade and quit after many years in the sun.

What's the longevity of PV panels that are unused and stored inside? In theory, could they last for a hundred years?
9 replies and 1 images submitted. Click here to view.
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>>919220
Seals will break, moisture will get in, stuff will fall apart.

I give it 7yrs of life in storage.
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>>919245
They last upwards of 20 years in use!!
>>
>>919276
Can confirm for panels of that era. That said who knows how the panels of today will last in the future. I have one working that is over 25 years old.

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