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hey there /diy/-san!

ive got this old russian army helmet that i wanna use as a headset but it has this weird 5 prong connector. i assume theyre split up as 3 for sound out and 2 for sound in but idk how id check which is which.

if anyone knows what the connector is called or can provide a circuit diagram for this helmet ill suck your dick

>pic related
http://www.russianarmysurplus.com/product/russian-tank-helmet/
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>what is google, you lazy fuck.

..in saying that, never found the answer after 3 mins either, but, there's You Tube videos and all sorst of shit, somehting must b useful, maybe.

But apart from lack of exact orignal schematic, conisder following - would Russian Army zank drivers have headphones wired for stereo? Do you have the other corrosponding part of this 'weird 5 prong connector' to use the orignal wiring? Is there a mic attached already?

If the answers to all above are FUCK, NO! - then, take it apart (phones...
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>>918990
OP get ready for some dick sucking.

That connector is a variation on a standard DIN connector heavyduty-ed up for used by drunk Russians.

The tow most outter pins are your headphones these are not polarised to you can turn them every witch way you like
The two inner are your mic out same as headphones no matter how you flip it
The middle pin is your grounding cable. The Russians didn't want to have their drivers or gunners electrocuted to death

Bad news tho, if you came here from >>>/v/ go back to the world of tanks circle jerk thread.

These have watchcase speakers. witch are high impedance. Witch means if you plan to use them for gayming you need a powerful (and adjustable) preamp for the speaker and mic.
Tanks have this old school engineering thing much like tube amps that things are paired from the outside in
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>>918990
Why doesn't your pic actually show the connector?

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Hey /diy/, so I'm trying to make some custom buttons out of hdpd plastic with my son as a fun little project to refurbish an old Gameboy, with the goal to use little to no money at all. Would it be possible to use play-doh as a mold for the buttons by pressing the design, and then baking it? Then after pouring some liquid hdpd and take it out without it sticking to the mold, or ruining the design?
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>>918975
Seems legit, but sculpy/femo/whatever its called in your part of the world might be be a better moulding material. Test both and see which shrinks the last. I guess play doh would be better because it would be easier to break away from the moulded button once the HDPE set if sticking is the concern.

You could also experiment with brushing talcum powder or flour inside the mould to prevent the plastic from sticking.
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>>918978
Never thought about putting flour in the the mold, will try but suspect the flour will stick on the button, you think it could be washed off afterwards or just stay there forever?
>>
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>>918979
I used talcum (finer grain than flour) as a release agent to resin cast pic related, some plugs for my ears. There is a very slight optical effect, but the plugs feel smooth to the touch. There wasn't a lot of talc suck to this when I pulled it and what was stuck on brushed off easily enough. Considering resin is runnier (reads, more easily conforms to fine details like grains of flour/talc) than HPDE I can't see you having any problems. Even if there is some fine surface detail you won't see it because the button isn't transparent.

I can't speak directly to flour, I only mentioned it in case you don't have talc on hand, but again, considering HDPE is kinda thick, I doubt it will be a problem. Just make sure you remove all excess talc/flour from the mould; Use a fine brush to spread it into the corners and brush out the excess then tap the mould on the table to make sure all but the finest layer remains. Should come up a treat!

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Hey /diy/

i need help to complete my transcript, i can't understand this video at 1min32 :

https://www.youtube.com/watch?v=ku5hr-5kpV0

It's sound like :

Like at eleven o'clock in the morning , ??? weekdays you now, they are like two black usually there are just one black person or maybe two and there is like one chick, she's like « oh you know » ????????????????? Barbra Walters is on the show

I recorded it, here it is : http://vocaroo.com/i/s0J3zBhsVgmV

Thanks in advance, you're my last hope
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>>918881
>>>/wsr/

This is /diy/, not /dify/.

Is it reasonable to make your own highish quality headphones? Anyone have experience?
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>>918771
Well depends on the tools and resources you have available.

The electronics are easy. 4(3 if your cheap) wire cable a stereo 3.5 mm jack (for most PCs or a 5mm if you use it for guitar amps or high end recording stuff)
And two decent 16ish ohm speakers (if you don't want to use a preamp). This sets the quality of the sound depending on how much dosh you want to burn.

The rest is just the casing. Now /mu/ would argue that this is a very important part. As here you will get sound leaking. Witch is...
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>>918771
I've made a couple of pair of headphones, but the quality isn't really that great, its barely passable, even 30$ store bought ones perform better than the ones i made. The problem is, its hard to obtain low impedance wiring and sensitive speakers

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new here but really need help need a medical alert dog tag and since im going to be stuck with it for the rest of my life i want a story or experience to go with it,

so i wanna make it out of tungsten(wolfram) i plan on casting it, while trying to researching i got more questions then answers
tungsten has a crazy high melting point 6000+F so conventional melting ways arent going to cut it, so what would be the best way to go about this?
which would be generally better buying tungsten rods and melting those or just buying tungsten powder?
i read that carbon is...
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Get a tattoo of your condition on yo chest? Gonna be cheaper than this fools errand you want to attempt.
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>>918677
not really into tattoos plus on blood thinners so 99% sure not even allow -doctor
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>>918671
your best option is to cast it out of a superalloy, haynes or inconel. as for tungsten is mildly toxic.
but if you really want """"muhh hardest metal"""" you can machine it from a billet of tungsten alloy.
or the last option is to have a specialized company stamp it from tungsten carbide.

this is a bit foolish though as these options cost roughly 500-2500 euros.

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Most websites create a white loading screen when you go to them. I want to turn those white loading screens black. How can I do this?
I found this shit http://stackoverflow.com/questions/16243105/google-chrome-override-white-blank-page-between-webpage-loads but Chrome said it can't read the manifest and the commenters said it doesn't really work anyway.
I'm a technologically inept retard on the verge of going blind so please help and explain it to me like I'm 5 please. Obviously I don't care which browser I have to use. Though I'd prefer Firefox, I guess.
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Ask this in >>>/g/

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Thoughts on using lemon juice as flux, while soldering something to a circuit board? Only seen how to's online but never seen confirmation of it actually working.
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>>918519
Ghetto as hell.
If you want to use extra flux on PCBs and insist on making it by yourself, make it from pine rosin (colophony rosin) and alcohol. At least it's less corrosive.
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>>918522
>pine rosin (colophony rosin) and alcohol

This. Phosphoric acid in distilled water is also an option, but only if you can clean it off afterward.
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>>918538
>Phosphoric acid and water
So coke zero or lemon kool-aid then?

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Homemade camer a slider controlled by an arduino
https://youtu.be/X94GesHSGr8
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>>918505
Pretty cool, even if I seen a lot of stuff like it. Are there any supporting materials? It's always a little frustrating when 80% of the video is simple fabrication--I know how to use a drill press and a tapwrench, but most arduino resources assume knowledge that I don't have.

Hey /diy/ I'm doing a wiring mod to my guitar, and I need someone to check my switching logic, and if I'm wrong, help me understand why I'm wrong. I have the intended. I'm starting to think that my configuration is not possible with the DPDT on/on/on switch, and I'll need to move to 3PDT on/on/on switch.
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I will need a formal request first.

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So I want to build a machine for "QA" a SQL 2008 R2 Database.

I am planning on buying a "normal" Desktop motherboard, and a PCI Raid Card

I want to install 4 SSD using a RAID 1+0 configuration.

My question here is, should I use a Cached RAID Card or an uncached one?

I won't be doing RAID5, and RAID 1+0 with SSD should be fast enough

Would a cached RAID Card give me way more performance than an uncached one? Considering That I will ONLY do RAID 1+0.

>Mandatory UPS if using a cached raid...
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>>918468
A raid card with enough cache to help your SSDs would be top tier $$$. Also try /g
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why not raid10? or am I just stupid using the usual term?
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>>918468
>Mandatory UPS
you can get cards with a battery on the card that saves the cache over downtime

what the fuck are you doing that you want to cache data to an ssd? some enterprise tier shit there anon.

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Specifically, and autocad program that an predict the feasibility of concrete structures.
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>>918395
>feasibility
Define that word for us please.
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>>918395
are you sriously telling me you want a program that simulates tensile/compressive loads on a CAD drawing? Get off your ass and find a structural engineer.
>>
You can try Ansys or Solidworks. I think they're focused on metals, but you can try using properties for concrete, idk. I'm assuming you want to know whether it will break or not, but if you just want to know if it's a good investment, use Excel.

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Hello /diy/, Im trying to design a small, portable speaker set. The main trouble I am having is with it is the speakers I have are from digikey (bought a while ago) and the there are no specs for many of the thielen parameters. They are full range speakers 150~17k Hz meant to just act as something to use when in the shower or at my work desk

So my question is should I try my best to find something that is like it on another website and see its parameters? Or should I just buy new ones

The end goal is to have a the two speakers next to each other in their respective sealed enclosures. The whole thing will be one big piece I would like it to be the size of a radio at the most but when I calculate and look at pic related ill need something fairly large
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If it's just meant to be a shower or desk set of speakers, you don't need to get this in depth into building the enclosure. You're not going to notice a difference in sound from a set of small speakers while you're taking a shower. If you're trying to build some kind of massive PA or hi-fi setup, then you should bother with perfecting your enclosure design, but in the application you mentioned, it simply doesn't matter.
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>>918271

I made a video showing how to make copper sulfide crystals. They're highly conductive and can be used to make conductive coatings and layers. Even drop cast on a paper tower they conduct great. It's also an important material for super capacitors. Theoretically 12 layers of this stuff could power your house. https://www.youtube.com/watch?v=gEJVHOou8aM
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>>918150
>Theoretically 12 layers of this stuff could power your house.

>capacitors
>power your house

I don't think you know what a capacitor is or what it does.
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>>918162
a typical capacitor is rated in microfarads typically and you'd be right, they hold very little power. Super capacitors are more like a battery. Except they have significantly higher energy density and can charge in seconds. Copper sulfide has a capacitance in it's natural form of 200 farads per square cm. so at 12 layers that are 8.5x11 would have a capacitance of about a million farads. That's plenty to power your house for a while.
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>>918150
Fascinating anon. Do you have a newsletter I can subscribe to to learn more?

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I need HELP

Basically picture related is the problem

I want a better way to secure me bike light than piece of a paper clip

What do? Cannot find another clip thing.
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>>918003
buy an S hook at the hardware store
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>>918010

Perfect idea I'll look for some needle nose pliers and bend a paper clip into an S hook like from the hardware store

Thanks!
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>>918010
>>918011

But what if I can't find the needle nose pliers?

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I wanna cover carpet on my floor. It has some mid-quality laminate already but I'm not a wood guy.
I don't want to damage the laminate but i can take off the skirting boards.
Also because it's groundfloor and there's poor insulation between the ground and laminates I want some heat insulation too.
What do you suggest /diy/ ? Which material should I use for insulation (I also want this because it would make a soft surface even if the carpet is too thin) what are some good methods?

Unrelated but also one of my walls catches the north wind...
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>>917923
>I wanna cover carpet on my floor.
>I don't want to damage the laminate
Get an area rug.
>groundfloor and there's poor insulation between the ground and laminates I want some heat insulation too.
Sounds like a basement cement floor. That's always going to be cold unless radiant heating is installed.
>also one of my walls catches the north wind and its very cold to the touch.
Get...
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>>917923
Budget?

Tear it all up. Lay rigid insulation, sleepers, and plywood. Carpet that shit.

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