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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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My brother recently got an air compressor free from a neighbor who was moving. The guy used it semi-frequently, it runs, safety features work, etc.. My question is how long should they last? The date stamped on it is 1998, and we don't know how well it was taken care of (the guy was kind of a dolt), but the thing looks like it was drained sometimes (by the PLIER MARKS on the plug). I took the plug out and a bit of gray shit came out with some moisture. When it dried it was like clay, and a magnet picked it up. Can't get a good look inside.. Worth using it or prob too old/corroded? I'd like to keep my limbs.
pic related - like that one
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Saw this at a garage sale today. they had it plugged in and running. they wanted $30 for it. would it be dumb to spend money on a compressor this old?
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>>835851
Nah, it looks like its in great shape. Just make sure its capacity and output can meet your needs. Thats the number one mistake people make when buying compressors of any age. See what your tools/applications require and get more than that.
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>>835851
Wow, I owned that same thing, except red. Two things:
Mine only got up to 80 PSI but that was still ok for most applications.
Make sure no kids can get near it because those unguarded pulleys will take a finger.
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>>835851
cast iron pump
(rebuildable)
oil flipper caps on motor
(no 'permanent' lube bushings

Cared for, it will probably outlast you.
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>>835851
I have one like that on wheels with a handle. I got is for free but its missing the pressure switch. Only does 75psi but its great for tyres etc.

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I want to build a small tank for a costume I'm making, but I'm not sure where to start.

My primary concern is when to use as a base that everything will set on (eg myself, the body of the tank and the wheels/motors/batteries underneath).

My friends have suggested I use an electric wheelchair base, but they're rather expensive since I have to buy the whole wheelchair. Would this be better than building my own? If not, what materials should I be using when making my own?

Pic kinda related, sorta what I want to do but taller and not using tracks.
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>>835712
>Thanks, looks good. Can't view any topics so I assume I have to sign up first
Yes you sign up and its free but many topics and projects other people have done buildlogs with. Attached is a picture of a functioning radio a guy was working on for his tank
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>>835897
sidenote also check out Dave Manson aka tankman101 on youtube he actually has a few video series building scaled tanks
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>>835897
>no radio pictured
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>>835740
>>835770
>>835778
>>835799
I posted the shoop>>834342
It's plastic model:
35068 British tanks CHIEFTAIN Mk.5 with 3 figures (1/35), Tamiya
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>>835770
you got absolutely destroyed kiddy. 'think you know what a 60 looks like?' HAHAHA do YOU know what a 60 looks like? nerd.

>Thread #5 or 6 or something
Hello, /diy/pshits. I do these a couple times a year or so, and they seem to be semi useful/popular. I've worked in paint, the service desk, and have a pretty good idea about most of the shit that is in the store.

>favorite question asked this week:
What thickness of drop cloth do you think would work best for a bootleg slip n slide?
>dumbest question asked this week:
How does a fan work? Does it blow air from both sides at once?
102 replies and 15 images omitted. Click here to view.
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>>835883
waterproof electrical fittings use pipe thread
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>>835887
>Worst case scenario you would look at it before you took and could demand different pieces.
this happens on every lumber order. no one GAF about which boards they pull for you, either you take your shitty wood, or we then go cherry pick whatever's left
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>>835965
Either way you have to look through the lumber so I don't see the big deal, at least some of what they pulled will be usable. Really though HD doesn't have a lot of good lumber in the first place. If you are so anal about it maybe you should try going somewhere else.
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>>835816
>bootleg slip n slide?
Its kinda like I want to 'mod' my phone case
>paint or dye it a different color

sounds cool bro...
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>>835922
It wasn't something that needed water proofing, it was I wanted copper pipe to be the conduit for the light. I soldered all the copper fittings. Get out of here with that pipe thread crap.

>>835920
I got a hot wife, I don't have time for a woman 20 years older.

>>835979
Why I go to Menards, their lumber yard is great. Much larger selection on wood. I could buy a 1"x12"x12' black walnut board if I want. It's very expensive, but they have it, all sanded pretty wrapped in plastic.

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OK, im trying to learn to work with microcontrollers.
here I have a p18f4550 with 2 LEDs
it has a program loaded to blink them, but when i turn it on the leds light for a split second and then nothing happens

im pretty sure im doing some dumb mistake, can anyone help me?
23 replies and 1 image omitted. Click here to view.
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>>836000
no, the leds flash for a moment when i turn it on, and then nothing
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>>836001
OP are all your fuses correctly to use the internal oscillator instead external crystal?

Did you tried making a program that "copies" the status of one input to an output just for checking.
let me see the datasheet.
>>
Reset. Your microprocessor is resetting.
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>>835926
Looking at your picture I don't see a pullup resistor on the mclr pin. It's floating and going into program download mode.
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>>836021
Yah, isn't there supposed to be something on the MCLR pin?

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happy 4th of july 4chan. today is a time of celebration and fun. unfortunately not everyone can experience the same because not everyone has the same freedoms. in many states the laws are very oppressive to the people when it comes to things such as fireworks. for instance Oregon prohibits fireworks that fly, explode or travel more than six feet on the ground or more than 12 inches in the air. That means fireworks like bottle rockets, roman candles and firecrackers are illegal in Oregon. now call me crazy but if you are a fully grown adult you probably wont find these children's toys very entertaining and thus i decided to enlighten the oppressed and show them the way to a banging 4th with my uncles old recipe. ingredients include: one 2 liter pop bottle with cap, 2-4 piccolo petes, some paper and some pliers.
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you can see some of the red powder in this pic. once you see even a little bit start to come out immediately stop collection and clean the red powder away
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Alright folks im thinking about purchasing a welder. I need to weld in a small metal ear on a scooter frame. I was going to borrow my uncles stick welder but i thought i would add rather add another tool to my collection. What should i go with for versatility? A mig or a stick welder? Im thinking the mig as it would be more precise. I would like to keep the budget around $200 new or used. Ill post what i need to weld at the moment but keep in mind the welder will need to be chosen for versatility as well. I can buy another welder sometime in the future. I have very little experience with both types of welders. Ive welded stuff on my own but ive never been taught how.
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>>833777
dont need a 220v welder. get a 110v mig and run flux core. good luck finding one for $200.
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>>834278
>get a 110v and run flux core

http://www.harborfreight.com/90-amp-ac-120-volt-flux-cored-welder-61849.html

Not mig - just flux core wire.
$110
>>
>>834322
Harbor freight...have fun with that garbage machine it will brake within the first month and ill bet 5 internet fun bucks on that.
>>
I found a lincoln AC/DC 225 on craigslist for 100 bucks. I kept my eye out for about a month, it seems like the AC only ones pop up more often. It's pretty damn versatile and fine for the random little projects I run into. For your price range you'll have to buy used if you want anything half decent. Also mig welders are more expensive than stick welders. So if you go for mig you'll get less welder for your dollar than if you get stick.
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>>835772
Any shithead can break any tool.
Taken care of any used as intended, it'll do fine.

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Hey /diy/. I've beel looking into building a motorcycle for myself from scraps, old parts. I have little previous expirience with bikes but want to know if someone did a project similar to this, or just could point me in the right direction.
I would prefer to buy the engine, wheels and fork, and make the chassis, seat, tank, handlebars and maybe the exhaust.
In the end it just needs to run, not look like much or follow any kind of laws.
Picture related, best possible outcome
>>
>>835971
While it's conceivable that you could make all of those things, are you planning on riding it on the road? Cause welding up a frame that can handle it safely is gonna be your biggest concern and you wouldn't catch me going more than ten miles an hour on something like that.....

I want to create the smallest possible chicken coop

I need it to:
1) be able to sit on a desk
2) be as small as posible
3) should be glass/plastic contained, so that I can see the chicken and not hear its noises
4) automatically feed the chicken
5) automatically remove the litter
6) have hoses to take away CO2
7) have hoses to inject fresh air
8) once again, be a small as possible

if it could be smaller than a shoe box, then good

it has to be able to raise a chicken from hatching to an adult size chicken, and give me eggs.

Comment too long. Click here to view the full text.
84 replies and 17 images omitted. Click here to view.
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>>835588
Nigger. Trolling overload.
>>
If you could find a way to grow just the organs with some sort of stem cell voodoo and use machinery as a way to provide oxygen and the necessary nutrients to them in a cost effective manner, you could grow them in buly and have a literal egg factory without so much porblem with animal cruelty because it's just the necessary organs hooked up to life support.

That box could get really fucking small OP.
>>
>>835605
Heh. Underated.
>>
>>835994
Grow them in bulk
>>
https://www.youtube.com/watch?v=fHhXpRq06Oo

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>gutting house from 1930s
>tons of newspaper insulation in walls
>homeowner sees it freaks out saying its asbestos
>explain that its newspaper and asbestos was almost never used to insulate walls
>calls guy to test it anyway
>tell him its newspaper
>gives me a huge speech about how we cant be sure and have to test it
>tests it
>completely ignores pipes and duct work that actually are wrapped in asbestos
>negative
>wow anon I should have listened to you and saved $500
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>building a deck for a friend of my wife
>she decides she is good at diy
>never touched a powertool in her life
>know exactly how Im laying it out, and how im doing it
>everything I do she has to question me 20 times
."why are you putting the foundation post there anon?"
>"why dont you use these brackets for the cross struts?"
>" here Ill put this part in place" puts it in the wrong place and threads my screwdriver bit in the process, so I had to go home to get another out of my work tool box
>wont accept any explanation I give her and wont let me just get on with it
>took twice as long due to her constantly questioning everything I did and being in the way while "helping me"
>>
>>830467
Now after hearing this story I don't fell so bad.

>installing cable in the crawlspace.
>can't use customer bathrooms either.
>unzip crawl suit and pee all over cause drank too much water earlier.

Still, your story is much funnier and can't imagine finding that insulation shit burrito next summer.
>>
>>835458
C'mon do you want to live forever? Lol
>>
>>831096
Lol'd at kid #3. Wow, cutting the cord with the clippers.
>>
>>831488
Jeez concrete dust. Wonder which is worse, asbestos or concrete dust?

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HVAC tech vs. Electrician vs. Plumber

Which trade would be best for the current job market and the next 10-15 years?

I asked /adv/ but they told me to come here because you guys specialize in this stuff.
5 replies omitted. Click here to view.
>>
electrician or plumber, as they will always be in demand

that being said, both also have a lot of competition for scarce jobs unless you suck your way into a union. Electrical work also gives you the most opportunity to go back to college, get a degree and move up into management but it takes a lot of effort and time

>>835955

HVAC, but really don't live in socal or California at all because of the high taxes and inflation. If you moved to Vegas you'll save 20% or more just on property taxes, assuming you're a prospective homeowner.
>>
>>835975
Nah electricans get filthy. Crawling around under a house, working on old machinery that trims mdf and has a hydraulic fluid leak... Id say though, they can all be just as dirty as each other. My dad told me the same thing when i was tossing up between mechanic or electrician. He was wrong.
>>
>>835983

if you are working as a residential electrician you wont encounter industrial machinery to get "dirty"
>>
>>835930
Either HVAC or Electrical, then if you're not fucking stupid, get into controls.
>>
>>835930
electrician
every time

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Hello /diy/,
I have an old (and broken) PSP. I want to take out it's analog stick and connect to the PC for analog input. How would I do this? (I don't have an Arduino or something similar)
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>>831051
>>
>>831049
You need an ADC.
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>>831053
this.
this is one of the "if you have to ask, you cant do it" kinda things.

maybe you could if you found a teensy tutorial for joystick or something.

if you can't solder, don't know what a voltage divider or potentiometer is or how volts relate to amps and ohms. go buy a joystick.
>>
>>835112
And yet the things you list are so basic anyone could get a grasp of them in a day if they tried.

Don't discourage people from learning.
>>
>>831049
get a microcontroller,
look into how to use it for a mouse
if its an optical mouse its gonna be harder
rewire your mouse to use the new microcontroller instead of its default board
drill a hole in the side of your mouse for your new joystick

----------------

alternativly you can just get a microcontroller,
set it up for a usb joystick,
and run two usb cables out of your mouse to your computer.

either way works, have fun, and dont forget to post the finished results here.


Comment too long. Click here to view the full text.

Okay I tried /g/ and they were useless. >pic heavily related regarding one response

I want to build a water-cooled laptop. I know that it's inefficient, absurd, and no one makes them for a reason. But I want to make one for fun. So here's my actual question..

What's an old, preferably cheap (sub 500 bucks) laptop I can use to put a water cooling system in? I'm going to be using materials similar to the ones this guy used

>link to "aquapad" (http://www.overclock.net/t/1509357/laptop-mod-ibm-aquapad-internaly-water-cooled-laptop#post_22756659)

>link to other cool water-cooled laptop prototype (https://www.youtube.com/watch?v=pz4a1RukOzA)

So, I'm looking for an old laptop with extra hard drive slots and a cd drive so I can maximize space for the radiator and pump. Any suggestions?

>Currently thinking about using a Thinkpad W520, the one some fanboy got butthurt about in pic
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>>
http://hackaday.com/2006/10/13/removable-laptop-water-cooling/ lets keep it simple.
>>
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>>835914
>link to the hack is ded.
>>
just make your own raspberry pi 2 water cooled laptop
or mod a novena
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>>835934
> lets keep it simple.
Is probably not part of the link
>>
>>834040

water cooled laptops are easy as fuck now

got an FM2 socket? You can get a water cooled heatsink/radiator that can drop right in onto it

only issue is that there's not enough space in the laptop itself for it, and probably not enough power from it's power supply

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Hi /diy,

I want to build a house (relatively small) but have no experience whatsoever with building stuff, electronics, architecture. I've read the sticky post and found some resources but was wondering if you guys could recommend any books that are essential reading for building a house?

Also, if anybody has any advice I'd love to hear it. My plan is to spend the next year learning some theory (electronics, housing laws, etc) and then one year to buy a terrain and build the house.
7 replies omitted. Click here to view.
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I built my own house

not large by any means 500 sq ft , 2 bdroom , 1 bath

cost 15k but i didn't buy all new parts I scavenged like a true savage.

takes a lot of work and this is a good book to send you on your newb ass way

Building Your Own House by Robert Roskind

ISBN : 0-89815-110-4


You should look at trying to get a labor construction job in foundation pouring.
>>
>>835856
you can pretty much do the building yourself, but youre going to need the help of an architect to make the blueprints, trust me this isnt something you want to do yourself
>>
>>835892
Building Construction Illustrated Paperback by Francis D. K. Ching
Really good book
>>
>>835856
All so you should check your local Council, District, state for building codes and requirements
>>
>>835892
Build a sawhorse, build a desk, build a coffee table, build a shed. You'll find out if you have enough common sense soon enough. Be prepared to rip stuff out and do it over though.

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Behold.
>>
>>835783
Yeah, thats pretty typical for 3rd world countries.
>>
>>835786
Agree
>>
>>835783
what am I looking at?

>door is just a sheet of plastic
>drill used to raise and lower plastic door
>suitcases of random shit, maybe prepakaged to steal in the night
>its allready night, you are stealing the stuff

also what shitty country do you come from?
>>
>>835968
also >toy store selling cigarettes and beer


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