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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:
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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Has anyone on /diy/ ever taught themself how to do things from scratch? My dad died when I was really young so I didnt have a father figure, and I dont know how to do shit but I want to learn for my children one day. Whats a good place to start?
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If his mom knew how to cum gargle really well I doubt op would have been born.
The basics goes like this:
OP: "I'd like to have this done, I'll hire someone to do it."
Do It Yourself.
OP: "I'd like a thingamajig, I'll buy one!"
Do It Yourself.

And the rest is history.

If you need a tool to do something, get the tool. Soon you'll have plenty and you can tackle new horizons.

I have learned shit from my parents. Nowdays I service my cars (four old pieces of shit, need lots of said servicing), fix shit if something breaks at home, fix appliances at home (the fix is not always succesful, sometimes you jhust need to buy a new thingamajig), build stuff and tools I feel like I need.
At the moment I'm building a house, no prior building experience. It's surprisingly easy, just a lot to do.

Comment too long. Click here to view the full text.
Like others have said, do something yourself instead of getting someone to do it for you. Do your reading, the more tedious/expensive way is usually the right way, and don't get in over your head.

DO troubleshoot your lawnmower when it breaks. DON'T do your own foundation for a shed. DO change your own oil. DON'T rebuild your own engine (at least not on your primary means of transportation).
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>I didnt have a father figure

I'm south asian, and we don't have father figures either. As far as they are concerned their job is putting food on the table and beating you when you don't live up to expectations. We get by just fine.

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Is electric engineering worth it, or is it better to just be a electrician? Should I just go into a trade or is going to get a 4 year degree better?
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I don't even know what a GPA is but as far as I am aware you can be the best in your field but a bad GPA means that you can't be the prom king in the states, which means no hand egg scholarship or girlfriend to cuck you or even a car.

Why would you live in that country?
i would live in europe but i can't speak arabic.
Most EEs from my graduating class started out at around 65k while the computer engineers were like 80k go figure
>80k CPE
god this software bubble needs to burst.
What industry are you in? Most people from my graduating class had to go into defense to make 70k+.

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Super Glue has failed me

I have a D Pad on a third party PC game controller that I burned out and rubbed right off

I have decided that my only option is to drill a hole using a fine bit and doing.... something with that hole with a screw.... doohickey and have a tiny metal rod hold the two pieces together to compensate the inferior plastic's integrity, no matter how hard I button mash

I have no idea how to go about doing this, please help. I have seen metal rods that have the screen body, with the spiral lines , but no screw head or point, I was thinking I would make a hole, use a small screw and slowly force the spiral IN the hole, and then use a spiral rod thing to manually twist both pieces of plastic together with my hands

I hope I'm making sense, I already asked people personally and no one knows what I'm doing.

>get a new controller
I have a backup, but this one has served me well for years, and I quite like the feel of the dpad
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Forgot to ask, what is that rod thing called, is there a better option of doing what I want to do ie having some metal hold these two pieces together, and should I abandon the idea and settle for screwing right through both pieces with a power drill and a thin screw

That option makes it look ugly though
Epoxy. Scrape off any super glue still on it, and use a two part epoxy.
never used the stuff

Would that be tougher than cyanoacrylate?

very yes
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I think you're thinking of a dowel screw... that will not work. I don't think they even make them small enough for what you're proposing. I think you've got the right idea though. This is what I would do:
1. Clean all the old superglue off of both joints (CA doesn't bond to itself well).
2. Make sure both sides of the join mate properly. File or sand both sides if necessary; you don't want any sloppy joins.
3. Glue both pieces together. Looks like it will just take a drop. Don't rush, let everything dry a day.
4. Drill straight through both pieces down that center post and reinforce with a metal pin. Maybe use a piece of wire of the same size as your hole, maybe use a machine screw of an appropriate length. Follow your muse. Grind down the ends of whatever you use so it doesn't poke into your thumb.

so I'm wondering if you guys have either used or thought about using concrete cloth materials?



it seems like something right up y'alls alley out here. especially for the bunker-nuts.

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your mother already has a monopoly on all of the semen in my area

I'm not against topical. I've used penetrating (Cheng) in the kitchen and I really like how it retains the natural look. I have my doubts it withstands the abuse/soot/heat of a fireplace . I feel like waxes would melt. Densifiers seem to be the golden ticket.
Anon, have you guys done any cosmetic fiber optic lit concrete blocks/tiles? I've been excited to try some since I saw a fiber optic bundle on bigclive on youtube.
why does this keep happening?
there's been like 5 more, but they were deleted
stop it
That's actually asbestos tile.

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Does anyone know the pinout for these 6 pin DIN audio/video connectors? They're from old cameras and monitors and stuff. I'm trying to find out if it's possible to put a video signal from coax into it, but i've already blown a fuse.
>put a video signal from coax into it

They used those of that in some cases but the pinouts were varied. Best check the schematic of said equipment.

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Does /diy/ enjoy halloween?
Working on this little shit here.
I'm gonna hang him from a tree out front.
Will give a how-to if wanted.
His name is Adam, by the way.
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thread needs moar halloweeny cheer!

fuggin nice man
In looking for some missing duct tape, I found my old cell.
So I went online, found a strobe apk file and installed, now the old phone is one of my best strobe lights
cool beans m8 >>1058920


I want to machine a copper block and create microfluidic channels in it. The main problem is that most machining is not used for this.

A simple question is how easy would is it to cut a copper block I buy that is 1/8" thick into smaller pieces that I can use to prototype? I am in a university so I'm assuming most machine shops should be able to handle this but is it really easy?

Does anyone know the best way to etch away copper to make channels? I want to make ~200um deep channels in copper that are also ~200um wide and spaced apart by ~20um.

I was thinking of using ferric chloride but this would be an isotropic etch and was wondering if there was any that would be nonisotropic and cheaper.
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I am absolutely appreciating the mew420

Different idea, use a conductive photoresist on a copper base plate and then electroplate the developed pattern.

Not necessarily with copper, a less reactive metal might be worth sacrificing some thermal conductivity for.
What for? You could mill channels this small, though your shop machinist probably won't let you use them.

There is this:
Do you really need copper for that? Are you sure that thermal conductivity is the limit factor? Do the math.

Almost no one uses copper in microfluidics. When people do use metals for microfluidics they tend to use photoetched vacuum bonded metal plates.

If you're doing PCR, here have this:


Uhh, with an 8 tenths wall thickness? And 8 thousandths wide channels?
Hm... those are good papers I'll look into it.

I will be doing it for PCR but my main thing is that I will have volume that will be moving at a high flow rate so I would like to do it as fast as possible and with the volume size I have now and the simulation I did in comsol, PDMS and other plastics don't seem to work but maybe they might

Thanks a lot everyone, this has been really helpful and any more ideas would be great.

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last >>1070254


>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.

>What books are there?

Getting Started in Electronics Forrest Mims III
Make: Electronics Charles Platt
How to Diagnose and Fix Everything Electronic Michael Jay Greier


Comment too long. Click here to view the full text.
36 replies and 6 images omitted. Click here to view.
That just mean that a bunch of retards get into it expecting it to be easy and cool.

The average programmer is retarded. Programmers are modern day semi-skilled workers. Get over it.

I'm not even him, but the only non-shit tier stuff which is somewhat related to programming are the "higher-level" CS concepts and stuff.
I've seen variants of it sold on aliexpress too, although I'm reluctant to buy chinese things that end breaking after a couple of months I might take your advice, I'll eventually need a hot air station, and that one seems to work fine.
Thanks mate, still open to more advice and opinions though.
Earlier you mentioned that you wanted to make your own soldering station. There are kits for hakko t12 handle stations that cost $20, but they require you to supply your own power supply (usually laptop power supplies are used).

I'm not sure how good they are, but I was thinking of getting one sometime.

> The average programmer is retarded.
Selection bias.

The less skilled the programmer, the more you'll see them asking basic questions on SO and elsewhere, expecting to be spoon-fed everything.

The ones that can actually do their job are invisible.

The same reasoning explains why you often see the latest hipster languages near the top of the TIOBE index, in spite of nothing actually being written in them.
There are perfectly fine programmers according to your selection bias who can't even sort an array (with no special requirements) "manually" because they rely on .sort().

Also, most programming jobs need nothing more than high-school math, in fact even that's questionable.

It's literally nothing compared to designing a motor or writing some kind of physics simulation: writing a simulator requires good CS knowledge alongside good domain specific knowledge.
However even if we go back to programmers and "software engineers" then you can easily see that most of them hate ACM/Project Euler/etc. kind of stuff which is exactly the kind of shit which requires math and more advanced CS concepts which are extremely useful if you want to do more than write a few webapps.
(Design is important to, but it's just a small part of producing working programs.)
>The ones that can actually do their job are invisible.
Yes and it has nothing to do with this. Someone can be perfectly good at making shitty facebook games.

I was originally responding while agreeing with >>1076052 point.
As he said:
>Programming is a lay skill that any normie could do.
This is perfectly correct. The higher level CS concepts, algorithms, graphs, trees, formal languages, numerical methods, etc. is where CS begins which makes it extremely useful.

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Alright guys I'm gonna carve and send to a buddy a giant wooden penis as a joke
I'll keep you guys updated
If anyone wants to share knowledge /experience they're welcome to do so

No homo btw
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Mfw dickfarming 100% not gay.

The longer you do the finish work the longer the percentage is reduced...
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this thread is not in my wheelhouse it is my wheelhouse.

A wheelhouse full of dicks.

I can produce cast dicks in silicone rubber, plaster, concrete, wax, lead, pewter, soap, aluminum, brass, plastic, etc.

Ama and dont report pls.

What is the easiest material to work with?
How do you design the dicks? Do you go with the same basic design, or switch it up from time to time? Have you moulded around human dicks? human dicks besides yours?

Who has blueprints for a shipping container bunker?
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As I understand it where Peps lives they'e invasive as fuck, so it's illegal to return them to the water if you catch them. You have to dispatch them and discard them on land so no eggs or anything make it back into the water.
someone post the crabmeat container
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If you can't even post a picture correctly then yeah it should work, enjoy tour tomb.
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I just bought nichrome wire and magnet wire online, what should i use it for when it comes in
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Do you ride motorcycles?

Heated vest

You dont ride?

Shove spools up your ass
that's not as bad as the philistines who refer to transformers or transistors ans trannies.
tranny is ok for a transformer
not for a transistor, thats a 3 leg switcher
you can use the magwire to wire up small shit or breakout micro chips with it because its coated

or just shove it up your ass
Make a guitar pickup and assemble a Djentstick.

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Well, this now going to be a thing.
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>hi, do you have xyz
>no this shop is in a fucking shipping container we dont have any room for stock
You're only seeing half the structure.
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Already been done in Vegas. Small shops, bad layout. Totally hipster gentrification tool.
>shipping container center
>no area for storage
>Shipping container shopping centre

I thought this was gonna be a shopping center I could go to and pick out an nice shipping container. :-(

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Hey /diy/ need some help on where to find electronic components. The radio shack in my town closed and im pretty sure thats the only place that would sell components. I dont really wanna order parts online but that seems like the only place that would have them. Are there any places that you guys know that I wouldnt think of?
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Got some new places to check out, thanks anons.
In the USA, Radio Shack and Fry's are the only two stores I've ever heard of that sell electronics parts. And Radio Shack is mostly gone at this point, and Fry's is only in the southern and western US apparently.

Digikey, Mouser, Jameco and Newark are four US-based places I've used. All of them are good, but they're way more expensive than the China stuff.
For what any of those places charge you for one [thing], you can probably get a bag of ten [same things] from China.
I can't believe nobody has mentioned Tayda Electronics. They're in Thailand but they ship super fast. Their prices (including international shipping cost) are impossibly cheap. Components are always neatly bagged and labeled. Great selection.
Chinacuck compenents are shit and don't last long. GeT real components from digi key
Chinese suppliers on eBay will reliably sell you a ton of shit for dirt cheap. But test the components thoroughly when they arrive. I've even gotten fake *resistors* from China. Still worth it if you're willing to test religiously.

Otherwise: Digikey (the gold standard), Mouser and Newark (mostly just as good, but their search interfaces suck), Allied (crap selection, but if they have what you want, it's probably cheap), Jameco (Allied caveats * 10), MPJA (for power supplies, Mammoth (for knobs, which are oddly hella expensive elsewhere),

If you need LEDs, lots of LEDs, order direct from Nichia. They were the only major manufacturer willing to give me the time of day and not add a 100x markup.

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What would you guys use to clean out a drain like this? a bunch of hair is probably stuck inside it. is the best way just to use a half a bottle of drain cleaner? Or is their a better more hands on way you guys would use
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this, wtf?

This guy has been here for a long fucking time.

My nigga...is you retarded?
OP here, I figured out you have to unscrew the bolts above it which has the linkage in it. but since my bathtub is so fucking old it is stuck inside there. But Im sure thats where all the shit is located. But I am afraid to pull it super hard because of it breaks im probably fucked.
Yes, it funnels the water into the pipe.

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