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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!

I was tinkering with my pi and suddenly I heard a little *click* and some fried electronics smell. Powered off, removed everything from the GPIOs and powered on again. The PWR LED is not as bright as before, it doesn't boot (at least no picture output) and 3V3+GPIO 2-8 give wrong volt measurements (between 1-2.5V). Fuse seems to be okay.

Any chance or repairing it?
Check the cap and voltage regulator next to the power port

Hey /diy/, how would you recommend I cut this where my fingers are? I have access to a metal shop but haven't been in there for about 4 years. It's stainless steel.
9 replies omitted. Click here to view.
Oh right. Duh. Thank you

Cut it anywhere you want.

Make a new cross bar to support the shaft and extended it.

Don't forget your bearings.
>cut this where my fingers are?

I always try to cut where my fingers aren't.
You haven't been there in 14 years because that's where you were conceived? Cool story

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Does the flight controller on a multirotor absolutely have to be in the centre of the craft? In my design I have no space in the centre for it (I have my reasons) I have to put it on one of the arms. Will that affect performance?
16 replies and 2 images omitted. Click here to view.
I don't think that's gonna work. Two of the motors aren't even lined up with the frame.
There is no difference
The point is it's easier to fly and less hazardous around people.
>flight time is < 1 min
You can absolutely make it work. You just have to program it differently. It will be slightly harder, because you have to translate (if at the front of the craft) vertical motion and pitch to true coordinates for the CG of the aircraft. It's still absolutely doable. Human pilots are at the CG of their aircraft, now, are they?

Alternatively, remember that the aircraft will maneuver around its center of mass, which is not necessarily its geometric center. So you could get creative with weight distribution and try to get the CG closer to the controller.

Dude, blue boards are supposed to be SFW.

What happened to the /ohm/ thread?

Can someone tell me what band this is supposed to receive?

also, what are the BR components?
193 replies and 27 images omitted. Click here to view.
you'll have trouble picking up signals clearly in noisy environments, you can probably get away with adding a termination resistor at the base of the antenna and winding it up to the correct height, it'll be a piss poor antenna though.
>the car stereo I assume is 75 ohm and that is not great
More importantly, it's 75 ohms at FM band. It's something totally different at CB band.
If the radio isn't shit, it probably won't die, but like the other anon said, it will work pretty badly.
FPGA toolchains are such an enormous fucking pain in the ass, and the free versions have lots of limitations.

Do you even need to ask? Shove it up your butt.
You would be best ditching that antenna and getting something longer then build an atu to tune it up.

Even a broom stick with wire up it and an atu would be better.
Thanks for the info! Decided not to risk it. Local electronics store has a proper CB antenna for cheap so I'm raiding my spare change jar.

The unit also runs AM and FM as it is a multi band, but yeah, going for a proper antenna so!

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ITT: Shit you've made.
I made a controller clip for my phone.
My resources were a few rubber bands, and a CD-r. Works well with phones, not so much with tablets.
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Cool clock Ahmed.
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Made a roller for my garden's hose.
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i made theese candle sticks. which i made red hot and threw down into motor oil for coloring
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and a ethanol fireplace
but had to fix the ethanol burner so smaller flames would be achieved. so i could put it inside the living room

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Can anyone tell me how to make a nice straw hat?

I'd like to be able to just go outside, pick grass, and make a hat.

Is it easy?

Are there any other cool things I can do with straw, grass, etc?

I'm having more trouble than I thought finding info about this.

Also, post straw hats.
2 replies and 2 images omitted. Click here to view.
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I prefer the home made look. The straw had lost most of its cultural value once it went into mass production. Just look at those tightly weaven straws. Gets me hard every morning
Hats are hard.
You need a press to get the shape.

Basic construction is however just weaving so look into basket weaving. Then just make a head size basket with a rim.
You didn't look very hard did.

I just typed in how to weave a hat and found some nice videos.
Straw hats are so much more than that. According to mein kampf, by our lord an saviour Adolf Hitler, they even predate the agricultural development. They were seen as godly creations explaining the reason for our existence and as our leaders to guide humanity on the path of righteousness.
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So here is my small spare room I have in my new house, I'm planning to make it a computer/gaming room, since its kinda small I want ideas on how to make it look nice with the layout of everything such as desk, tv etc and all.

Be 4chan and do your thing!
16 replies and 6 images omitted. Click here to view.
'Design this for me' doesn't sound like asking for help. It sounds more like a command to me. Fuck off, and take the cuck who helped design the spare room in your mom's new house with you.
And how else would he go by asking for ideas? I don't see what his doing wrong this is a DIY section, and he asked for ideas on the layout for room....

You cunts are fucking ridiculous
>install a wall length floating table
I was saying the graphic is amazing, he didn't really have to do that he generously did though.

DIY ideas to sell quickly and to make a lot of money?
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get something cheap you can get a lot of, coins, badges, pens, glasses for example, modify them to make them arty or nerdy...profit. a dremel is your friend for this
polished fossils are quite good too, a lot you can do with them in terms of jewelry and decoration. and fossil hunting is fun and a great day out if you have kids
Depending on where they are located, perhaps not. Florida has a law titled 'Cottage Foods' that specifically deals with making/selling small quantities of baked goods. As long as you meet the requirements, you're good to go.
Cutting boards and butcher blocks
>calculating cost of running ovens
not sure who's jewing who

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Hey /diy/

I am an amateur inventor, I figured I had a lot of tie to kill and there was a lot of room in my mom's basement. So I have been getting pretty good at inventing and this is my latest invention. this is the final prototype after rigorous testing by my uncle and my mom. Let me know what you think!
Oh damn I wish I had those

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I want to clean my carpet on my own, any tips or things to buy?

Also any recommendations on getting little carpets to put down? Like to cover the normal carpet
>little carpets to put down? Like to cover the normal carpet

Do you mean a rug......?

And I would highly recommend a vacuum cleaner. Next step - RugDoctor
you can get carpet "samples" carpet stores often give them away for free. huge rolls of carpet comes with a few sample pieces. once the huge roll is used up, they always end up with a few samples left over that are useless. you can use them as door mats or in high traffic areas as rugs.

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Anyone know pinout of pic related? It is an 1" LCD that i pulled from an old camera.
Meanwhile, LCD general. What projects do you plan on using LCDs in?
12 replies and 2 images omitted. Click here to view.
First, I'm a user of 4chan, I don't have my own logic analyzer.
Second, even with the camera working, how would I convert an image into what data I would probe from the lines? There is very little text written to the screen, am I supposed to just somehow guess what pins control what part of the screen and magically convert text into pixel locations? Wouldn't a better approach be to hook up a clock signal to various pins until a blanked screen shows up (finding the sync pin), then using a 5v source, pulse in signals on another line and watch what pixel area changes?
Anyone read Ching Chung moon runes? I may have found my LCD. http://www.cn716.com/sellmarket/sell9480234.shtml
So ws-Tc015-01 is the actual model number, incase anyone can find an English data sheet.
Looks like if i can find the rest of the camera, I should be able to pipe in composite video into the control chip.
Not that anon, but a USB logic analyzer will set you back maybe $20 on ebay/alibaba, and is a good tool to have. Trial and error will take too long (20 pins = 2.4e18 possible pinouts!)
You should first try to figure out the pinout, the clock pin would be pretty obvious, if a group of pins seem to be collectively counting upwards you can assume them to be address pins, anything randomly and rapidly changing is probably data etc.. Just make sure you study well what is happening before you try to repurpose the screen. Also, take a look at a number of lcd control chip datasheets to get an idea of how the data could logically be formatted.

I need to build a couple standing desks cause my living situation is going to change pretty soon. Since I'm a poor fag I figured I should just by some pine from Home Depot or Lows and it will be a simple assembly. My problem is this will look like complete fucking shit and very tacky. Any ideas how to cheaply improve the appearance of the desks?

Oh and if it matter one is going to for a PC, the other a keyboard that weighs 35lb if someone suggests other materials it needs to be able to support that. Also, I live in a desert so there isn't shit for lumber salvage place.

pic related its an adjustable desk but the kit costs like $300
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Here is a table I built
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And here is how I fucked up by not building a sturdy enough supportting structure and trying to use the surface as astructural element
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And here is the belt sander belt next to the giant scar I have from where it grabbed my leg
Will you let it just to work standing? I mean tyou can get a long chair but sometimes you may like to be old school sit?

These are all super fucking helpful. The way I was going to do it was literally completely fucking backwards. I work all weekend but I'll pick up the stuff for the braces and legs monday and get to work as soon as possible. I'll keep the thread alive and post the end result and I'll try not to disappoint.

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I've prepared a batch of mead must sometime around July 10th.
The airlock has not moved since weeks but I still see tiny bubbles coming up everywhere in the must.
It looks opalescent with a little greyish-white yeast foam on its surface.
Is such a long fermentation time normal or did I fuck something up?

pic unrelated
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> i have whole tank of alcoholic carbonated jello and i have no idea what i should do with it
Market it to college students and get rich??

My guess would be just to see if you can get the solids to drop out by breaking it up as much as possible and then using some kind of fining agent. Or it might drop out on its own, given enough time, though I'd be worried about the fruit pulp rotting. I've never heard of pectin causing anything like that, but you could also use pectic enzyme to break it down, if that's what you think the issue is. If it's pourable, you could risk the oxidation and try to pour it into a bucket lined with a paint strainer bag and then just strain out all the solids, but it sounds like it's kinda stuck in your carboy.
>bread yeast
that is some ghetto shit and you'll probably vomit
Is there any way to stop a fermentation without campden tabs or sulfates?

I just finished primary fermentation of my wine (>>882427 >>882204) and it's very, very sour and dry. I want to add a simple syrup, but I know it'll just kick fermentation off again. I'll buy the chemicals if I really need to, but I wanna know if there are alternatives first
When they say that fermentation is done when it bubbles only once per minute, is that bubbles through the airlock or bubbles that you can see in the fermenter?

I've got a feeling it's through the airlock but I just want to be sure. This (>>884610) is me to clarify.

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Hey /diy/. I've been really getting into the Halo fever for the past couple of weeks, getting ready for the upcoming Halo 5. But I've been playing a lot of this game lately that i need to take a break. So i decided to make the Locus Helmet
>pic related
What materials do you guys recommend for me to us to create this beauty? I want to make it as realist and weigh realistically. Any opinions, advice and help would be appreciated. Thanks /diy/
3 replies and 2 images omitted. Click here to view.
meh i really like the design of the locus helmet. but thanks
Now, of all of them, why would you go with the one that has the least visibility?
That aside, I would recommend using software such as pepakura and heading down to the 405th website to find the model files you need. From there, as you'll read in the numerous tutorials, you can go about fabricating it in a number of ways.
The way I would think to do it is not cost effective for one single part and will take many work hours, think 30+ I should say. I would make the model from cardstock according to the pepakura instructions, reinforce it with resin (which can cost between about 50$ a gallon depending on quality/quantity)
Then I'd go about either making a silicone mold so that I could replicate it and rotocast the helmet in a separate material, or taking the new resin master and reinforcing and painting it I'd it satisfies you with its weight.
There's plenty more that could be done, but honestly, I doubt you have the money for material to do it properly so you're happy with it, or the time to make it or even learn the skills to do it.
I recommend looking at local community colleges for model making and rapid prototyping or a similar course if this kind of thing interests you as they have usually the materials and tools and expertise to teach you.
I was not planning on wearing it anon, just to keep it as a decoration, but yea ill look into this pepakura and 405th modeling. thanks
if you want to wear one there is a good cast in the comunity. can't remeber the shop name but ask on halo cosplay groups or 405th and they can show you. it even comes with a tinted visor if i remember well so you can even see trough it. something around 130$ if i remeber well but it's really good quality

but again if you want to build one. pepakura-resin-bondo is what you should do.
You might also try asking >>>/cgl/ , see if they have any mech or propmakers who can help you with the finishing.

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