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Welcome to /diy/, a place to:

Post and discuss /diy/ projects, ask questions regarding /diy/ topics and exchange ideas and techniques.

Please keep in mind:
- This is a SFW board. No fleshlights or other sex toys.
- No weapons. That goes to /k/ - Weapons. The workmanship and techniques involved in creating objects which could be used as weapons or the portion of a weapons project that involves them (e.g., forging steel for a blade, machining for gunsmithing, what epoxy can I use to fix my bow) may be discussed in /diy/, but discussing weapon-specific techniques/designs or the actual use of weapons is disallowed. Things such as fixed blade knives or axes are considered tools, things such as swords, guns or explosives are considered weapons.
- No drugs or drug paraphernalia (See Global Rule 1). If you want to discuss something that could involve such things (e.g., carving a tobacco pipe from wood) that's fine, but make sure it's /diy/ related and doesn't involve drugs or it will result in deletion/ban.

Helpful links:
https://sites.google.com/site/diyelmo/
http://www.engineeringtoolbox.com/
>>
Some friendly suggestions for posting:
- First ask Google, then ask /diy/. Your question will probably be better received if you do so.
- List available resources (tools, materials, budget, time, etc.)
- Try to use pictures and explain the goal, if possible
- Be patient, this is a slow board; your thread will be around for days.
- Share your results! /diy/ loves to see problems solved and projects completed!

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Arizona fag here. Car AC is out and will cost $1200 to replace. Looking for alternate AC solutions. Pretty much everything I find is a good ol' fashioned ice cooler with a fan duct taped to it. I'm looking for a solution that doesn't require taking a bucket of ice to my truck everyday.

I've been thinking about taking apart the cooling unit of a mini-fridge, but unless I'm wrong, I don't think that will be enough. Any ideas /diy/nosaurs?
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>>791465
Some simple math for you. You need 30-60 HP to turn an automotive AC compressor. You're not going to get that out of your cigarette lighter. Heck, you probably can't pull that out of the stock alternator even if you disconnected it from rest of charging system.

So, pony up for AC repair, learn to fix it yourself, or live with it.
>>
>>791485
Hold up. You're in Arizona? That's dry enough that evap cooler will work. VW Bug guys run those, b/c engines aren't large enough to turn an AC compressor... http://en.wikipedia.org/wiki/Car_cooler
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>>791519
Humidity is 8% today. Will that work?
>>
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Sit in a zeer pot.
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>>791523
Heh. Yeah, that will work. Not sure at what point they stop working well but AZ anywhere should be fine. Expect you just need to keep it filled with water. Easier than ice.

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So i'm going to try and build my own electric guitar, any advice?
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>>
this thread is funny.


OP, buy a DIY kit first. Learn. Then expand onto an entire 'from scratch' build if you think you'll enjoy it.


That and this:
>>791430
>>
>>791479
>when did being an audiophile become a derogatory term
Pic related
When you claim things effect sound ina substantial way when they don't.
>>
>>791514
what kind of bullshit are they trying to make up to justify this?
>>
>>791514
Running jokes about audiophile leads is a lot different than something as well known as tonewoods.
>>
I'm the guitar builder from above. Wood does subtly affect tone. This has been tested time and time again.

There are caveats to this. People cannot identify one wood (or finish for that matter) from another. However, if you play a sound from and alder body and a mahogany body and then randomly blind sample, most guitarists will identify each correctly.

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so I was working on a project and I must have accidentally nicked some led wiring with a brad nail. I feel a slight buzz when I touch the aluminum flashing on my project.

How do I correctly measure how much voltage is coming through it? I have a multimeter.
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>>791532
Probably not safe. Something is electrifying the frame(flashing)
If it's induced voltage or a high resistance path(even water can cause this), grounding the metal would make it safe for you.
If it's a low resistance path, It will trip your breaker making it safe for you, but possibly destroying whatever it is.

Best bet is to track down the problem. If it's the wire you nicked, tape it up. Always a good idea to ground any metal frame.

>>791541
The highest, on AC or DC, both can be dangerous. Since it's AC you're getting, the problem is probably the "box" or the AC leading to it.
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>>791557
So the flashing is wrapped around wooden lettering. Heres a pic just to give you an idea of what im doing.(a sign). It is not tripping any breaker. In order to track down the problem i would need to discard all the flashing as it will have nail holes and be bent. I also spent a good amount of time bending the flashing to the lettering shape. Ive spent too much time and money on this project to do it over again. This is a project for a coworker and id rather scrap it than give her something unsafe. Ill see if i can get some more info on the control box.

The only thing i can assume is that a brad nail nicked the wring as that is the only that is fastening the aluminum flashing to the lettering.
>>
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Ok im confused. The LEDS plug into a 110v wall outlet. The plug on the leds is cheap and does not have a ground. I plugged the LEDS into a GFCI but since it does not have a ground on the plug it doesnt trip the GFCI am i correct? Im getting 22v DC with the fixture plugged in. If I read AC i get 60v. Ill include a picture of the control box for reference.
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hey guys! lets do a little Project! I'd like to make a Dry herb vaporizer, out of semi household items, or at least easily obtainable ones that dont have to be bought from a smoke shop or ordered online. Id like to make this as simple as possible with as little soldering as possible.

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Posted this the other day but it was inconclusive as about "what " is causing this so here I go again.

I wanted to refresh a white wall that had some minor marks, painted it white and these imperfection in the grain came up. These are basically changes in the pattern I painted over it 4 time already it did not help...

What do ?
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>>791542
Never mind I see what we're looking at now
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>>791107
The bubbles are because you shook the paint can instead of just stirring it. That put air and foam into the paint. Next time just stir gently using a stick. Applying the paint too fast can also introduce air so go slow. Get a quality roller too. No way around it - at this point you need to re-texture, primer, then paint (or just retexture and paint if your paint already has primer in it.) Do it once, do it right, never have to do it again. Tips on rolling next...
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>>791548
It's pretty obvious when you rolled the paint you went all willy nilly. Here's a crude pic but you get the idea. You need to get a ladder or extension handle and take that roller from the top to the bottom, then bottom to top and so on across the whole wall. This lets you blend it nice and smooth. The problem is that paint dries fast so you want it to dry evenly from one side of the wall to the other. When you paint all crazy you inevitably paint over paint that has already dried a bit and you end up with patchy looking results when it catches the light. Top to bottom, bottom to top, all the way across.
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>>791552
Also be mindful of the edges of your roller, they can build up extra paint and if you press too hard to the right or left they can leave a line of runoff paint behind. It's best to use a ladder to take the roller top to bottom back and forth so as you go up you can inspect the wall for any accidental runoff paint that might of accidentally rolled on. Kind of a crappy pic but you get the idea.
>>
>>791536
What is this stuff called ? I won't find thisnbramnd where I live.

Should I sand it nfirst ?

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The power to 2/3 of the house has gone out and its freezing here in Canada. I don't know much about home electrical basics, how would I go about fixing this?

Pic is actual fuse panel, meter and other related items. All fuses are working.
12 replies and 3 images omitted. Click here to view.
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>>790902
do you have a utility company for your district? you need to call them to issue your concern and have them inspect your meter box and outside lines. The power co. might be the best help you have.
>>
>>791129
If part of the house works, it is probably not the utility company's responsibility. Everything after the meter is the homeowner's problem.
>>790902
OP, It's a good thing you called a pro because if you don't know a test light, this is probably above your pay-grade.

For future reference, The yellow tapes say what sectors of the house the fuses go to and you narrow the problem down that way. You would take off the four silver screws on the gray box and check power coming off each fuse.

Under the black square in to there are two cylinder shaped main fuses and if one is bad, it would kill the 240 volt stuff like heaters and dryer and stove, but leave half of the 120 volt circuits working.
>>
>>791260
For the love of living god, if you go poking around in your main breaker box, know how to cut power to it. Even if it's all insulated, that's live fucking mains voltage. If you give it even half a chance, it will kill you and it will hurt.

If you're a novice, which you are, put a coat on, drink a hot drink, and call a professional in the morning. Sorry you're having trouble with your wiring.
>>
>>790933
Damn right.
While doing light renovations at my mom's place it was found the old knob and tube was still live.
It had been disconnected during the first reno in the '50s and new wire was run. The later reno sometime in the '90s tied more electrical into the old wire and reactivated it.
>>
>>791260
>If part of the house works, it is probably not the utility company's responsibility.

It sill can be. If one leg of the service is broken on the utilities side, this is exactly the symptom you'd see.

But OP without a test light is not likely going to be able to diagnose this. If the utility will come out for free, call them first. Otherwise, call an electrician.

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Hey, struggling to fix this wiring as I am unsure as to how to connect the wires to the jack end of the converter. Got the unit broken but have a use for it and from what I can tell seems to be in good shape otherwise. Have soldering iron and all that is needed to fix it, ironically only missing the know how. Cheers
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>>791274
*sigh* a classic case of:
>didn't google
>started a new thread instead of asking /ohm/
To solve your problem, the tip of the jack is audio signal
>>
>>791521
That doesn't help at all in terms of re-wiring the thing.
>>
Red to centre, yellow to case I would say.

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Hey /diy/.

I'm in a place right now in my life and I need to get out.

I'm considering getting into a trade, but I'm not 100% sure what to do yet. I can work and am not afraid to, I just can't do well in school. I've made an attempt at a university in the past but I couldn't do it.

So I'm looking at a trade school. It seems like the four major trades are there, I'm just not sure what to pick.

>Electric
http://www.ntcmn.edu/academics/programs/construction_technology/construction_electricity/diploma/
>Plumbing/HVAC
http://www.ntcmn.edu/academics/programs/construction_technology/residential_plumbing_hvac/
>Welding
http://www.ntcmn.edu/academics/programs/360mn/welding_technology/
>Machining

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>>
machining is cool i would recommend it as long as you don't become a green button pusher
>>
>>789737
>appliance repair fag here,
>... you need shockingly little to get into this field.. and you will learn to troubleshoot quickly.

And you incompetent fags needlessly cost people money

>take my washer to an appliance repair shop
>"sorry, anon, it's a bad circuit board"
>$260 (about half price of a whole new machine)
many electronicfags on /diy/ could have replaced one capacitor or something for $1
but, no, idiots like you trash the whole circuit board because you can't figure that out.

>inb4 "why didn't you fix it yourself or refuse to pay or have someone else fix it

i work a lot and time is money and i can afford to pay for the nearest place just to get it done

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>>788465
>such fucking bullshit. Unless you are a linesman, 99% of electricians are nothing but glorified wire pullers and conduit runners; and never see a live circuit.

yep-pussies
>>
>>788465
>>791520

>not being Union
>not getting $50+ hour, full healthcare coverage and a pension

git gud
>>
Im a 26 year old ex combat engineer from australia.

I made the jump from the green in february, started my preapprenticeship in march and less than 2 weeks in have my first placement with a roofing mob.

I think its got alot to do with your mindset.

Anyway, can anyone give me opinions on green and greywater plumbing?

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Question, I have this wooden table where someone cut the part in the midle to make it smaller but never got around to finishing the job, So I´m asking what is the best way to join both pieces so that the table can wor again, dining table, no heavy duty or anything. Thanks in advance
1 reply omitted. Click here to view.
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>>791545
Thanks. Failing to do that, what about screws and more wood? I don´t have clamps that can handle that
>>
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This what I'd do.

Attach the two half by using a plank of wood on the inside, attach with wood screws.

If there is a going be a gap down the middle, tidy up both half before attaching, make gap as small and as close as possible, fill with filler.

Finishing:
Sand the top down, varnish or paint.
Other option cover in felt to make a card table.
>>
>>791553
If you want any more help take some photos of the two half so we can see what you have to work with.
>>
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>>791553
Thank You!, I will do this, I am currently making both parts fit better, hopefully no gap will remain.
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>>791535
I would biscuit, cascamite and clamp.

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So I'll start a new one, I guess. First qustion:

(Pic related) Solve for a, where "a" is a common and/or reasonably-priced tool.

I want to cut the corner off of one of these clear plastic boxes, but it's not working out very well. I mostly do small hobbies, so my typical go-to tool is just a utility knife with a brand new blade.

I'm worried that it will work something like when I tried to cut CDs: It takes more than one pass for a single cut, it shatters if I try to cut too deep in a single pass, the point skips and carves multiple grooves.

Is there a better knife to use for this? Is there a tool that will work better than a knife? Is this the time when I can finally justify picking up a Dremel tool of some kind? (Justify to myself; my wife's been on my case to just get one already)

Thanks in advance!
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>>791154
For how long does it need to remain unable to grow anything?
>>
>>791158
long as possible, at least a few years.
>>
>>790900
It's very rare that you can upgrade laptop components. Sorry.
>>
ey b0ss I'm debating making a bong out of my a Smirnoff bottle and I was wondering if you can bend medium hardness 10mm copper pipes without a proper pipe bender device or what you might call it? I need about a 70 degree bend, but if I try bending it with my hands, wouldnt it just flatten the pipe at the bend? Should I heat the area where I bend it maybe?
>>
>>790900
Laptops are consumer products, and not upgradable. The only things you can upgrade though is the harddrive and the RAM, which most likely wont give you any noticable difference in gaming.

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Is it possible to make a functional and good-looking wheelchair out of things you have lying around in a garage?
I'm thinking along the lines of taking the wheels from an old bicycle, but what about the frame and the rest?
Pic related, I understand that a home-made one won't be nearly as functional or good-looking, but it is the ideal towards which I will be working.
1 reply omitted. Click here to view.
>>
>>791512
My creativity is there, but my skills? Perhaps not. How would you attach the wheels, and what would you use for the small wheels in the front?

As for having nice stuff lying around, I can probably find a lot of stuff to a very low price if I lack anything.
>>
>>791508
Google wooden wheelchairs.
>>
>>791547
Excellent. I think I can work with this. Thank you.
>>
>>791508
If you need one for medical reasons, you can get a donated one pretty easily
>>
>>791555
It's not for medical reasons. See >>>/adv/15557819

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I'm building a PC and need help.
It's mostly for gaming
Please tips and tricks welcomed
Total 719$
I know some trivial things are missing like OS.
Help a man out

http://www.amazon.com/gp/aw/d/B00NLZUM36/ref=ox_sc_act_image_1?ie=UTF8&psc=1&smid=AXZ7TDMJNMJSZ

http://www.amazon.com/gp/aw/d/B005O65JXI/ref=ox_sc_act_image_2?ie=UTF8&psc=1&smid=ATVPDKIKX0DER

http://www.amazon.com/gp/aw/d/B00H33SFJU/ref=ox_sc_act_image_3?ie=UTF8&psc=1&smid=ATVPDKIKX0DER

http://www.amazon.com/gp/aw/d/B00PWM49G2/ref=ox_sc_act_image_4?ie=UTF8&psc=1&smid=A20O7ZIM03RW46


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>>790556
>$200 on a graphics card or it's going to be worthless.

Yeah, no. Granted it was a sale, but I got my GTX 580 for $160 shipped.

And, really, this thing is more than you need for all but the most demanding games.
>>
>>790572
Yeah, i got a 570 and it still plays everything I want at 1080p.
>>
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While this Thead is still kinda relevant.

Will a EVGA Geoforce GTX750 Ti card make an old
Asus essentio CM1730-03 A decent mid-level pc for shit like steam & skyrim ?

>model:
Asus Desktop PC CM1730 series
>Processor:
AMD Athlon II X2 220 Processor 2.80GHz
>HDD
1tb
>RAM:
4gb
>SType:
64-bit os Window 7 home premium

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>>791502
Skyrim is very CPU oriented, your CPU is not very strong. In fact your CPU will probably bottlneck the GPU in most games.

Your power supply is not powerful enough to throw a new card in (let alone a new CPU).

The good news
Your motherboard is AM3, so you can slap a used quad core Phenom in it(~50$) , and upgrade the PSU (~50$)

It would then be a middling computer with the 750ti that should be able to run a lot of stuff on mid settings.
>>
>>791505
Thank you, Anon.

This was very helpful & I appreciate your input.

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Old thread: >>779932

>open source community
http://reprap.org/

>buyfag buyers guide
https://www.3dhubs.com/best-3d-printer-guide

>basic 3d printing FAQs
http://www.reddit.com/r/3Dprinting/wiki/index
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>>791335
Free beats anything though. Already have a brand PSU with 2x 18 amp rails. The specified power maximum for the 12v is 300w. That's not a bad number right?
>>
>>791163
PLA has a glas transition point of around 60°C, ABS is around 105°C. Way before reaching these temps the material is not solid anymore and deforms.

i doubt these temps would be fitting your needs
>>
>>791328
I started with a dell external power brick that's meant for small form factor desktops. it's rated 12v 18a but then it started skipping steps and dimming the lcd. ever since i switched over to a real atc psu i've been good. it's old and rated about 300watt but has one 12v rail rated at 15a and i've been good since then. my meters were saying there's a 10amp draw at 12v. the dell power brick was dipping as low as 8v. the cheap old atx psu has stayed well above 10v even at that load.

so yeah, if you have an atx psu laying around, give that a try.
>>
>>791349
2x 18a should work fine
When you get your ramps, use one rail on the 11a connector, and the other rail on the 5v connector and you wont run into any problems.
>>
>>791544
I should iterate that the problems come from cheap PSUs that are rated "400w", but put out most of the amperage on the 5v where its useless and only give you like 13a on the 12v rails.

Mix that with cheap PSUs not putting out the amperage they are rated for, and that the Ramps 1.4 requires at least 16A 12v (11 and 5). Since it requires 16, you want overhead. Running a PSU for a 12 hour print at 95% of the rated PSU power will kill your PSU sooner rather than later.

Its the same idea with picking a regular gaming PC PSU.

Hey 4chan, give me ideas of apps you always wanted or automated things using arduino
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the guys here had never actualy used any MCU. let me make a 10 minute mail and you could ask me anything you want. wait a bit...
>>
Here it is OP:

g645825@trbvm.com
>>
Hello, not really thread related but I think it could be placed somehow inside its bounds. I have no idea about electronics but I have some programming knowledge and I find that Arduinos would be good medium for me to tinker some circuits with atmega controller. There are only few things to be aware of like circuit that changes output voltage to 5V. And my quastion is it would be resonable to get Chinese Arduino for 8$ and breadboard with some basic components to project some circuits ?
>>
>>791389
Why wouldn't it be?
>>
Lel I also got jewed hard, bought an Arduino and now don't know what to do with it.
I am thinking of like automating my home so that I can turn on the air conditioner via a relay over the internet.

I wanted to make a project I've seen once, singing floppy drives.


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