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/diy/ Do-It-Yourself

Threads added between 2012/10/24 and 2012/10/31

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Most viewed threads in this category

2 more posts in this thread. [Missing image file: 7aacf904-542b-42a5-e5d2-7f8b62277e69[1].jpg]
Hi, I'm trying to clean my monitor and followed this http://pcsupport.about.com/od/maintenance/ht/cleanflatscreen.htm tutorial, but I'm not sure whether the vinegar I have is right. I have 'Tafelessig' (table vinegar) made of 5% brandy, pic is not the exact one I have but very similar; the tutorial says to use white vinegar though Is that the same thing or is this stuff for food only? Or can I also use this?
4 more posts in this thread. [Missing image file: 412795642845125.jpg]
Hey /diy/ i got an xbox 360 and it doesnt work. Any cool ideas on what to do with it?
5 more posts in this thread. [Missing image file: 1319454883986.jpg]
Hey /diy/ quick question. My car has an exhaust leak and I want to fix it myself. I was thinking of cutting a piece of curved aluminum and then using JB weld to fix it over the leak. Is this a decent fix? I really don't want to pay a mechanic to fix it.
2 more posts in this thread. [Missing image file: bg944_021.jpg]
I'm working on a viking age costume, and after some googling I came across sources for hand-woven embroideries made out of metal threads, called "posaments". The problem is that I can't find a single guide on how to make this myself. Can you guys help me? Pic related.

Stepper motors

4 more posts in this thread. [Missing image file: ST4118.jpg]
I'm currently working on an early project and I wonder about feasibility. Setup: Stepper motor (type not sure about), one gear attached (weight 10g), turning another gear (10g), ratio 1:1, turning a sleeve bearing with minimal friction. I want that stepper motor to turn something mounted on an axis from 0° to 63° within 0.03s (+/- 0.015s) via gears (1:1..2:1 max gear ratio, that means either direct or slower). Within this angle I want to have at least (can always be more) a dozen steps so I can adjust the specific angle. Many stepper motors have steps of 1.8° --> 63°/1.8°=35, so at least this will work out. The friction of my simple gear will likely be higher than the friction of what I am moving. Both are rather negligible I'd say. Something similar to a proper sleeve bearing, maybe. So what I worry about is inertia, unfortunately I suck at this part of physics and stepper motor electronics. The gears have a weight of ~20g and are attached with proper ball bearings. The application needs to be mobile and compact. That means powered from a couple of eneloops and of 40mm width or lowered. I can provide up to 35V@4A via a switching amp if needed (although don't expect it to be ripple free at this much current). Question: Will a stepper motor be able to accelerate two 10g gears (one attached to the motor, one to my axis mounted piece) to 35(?) 1.8° steps (or 63° with at least 12 steps) within 0.03..0.045s? What kind of stepper motor should I be looking for? From what I understand about steppers so far is that they need a ramp to accelerate, but I'm not sure if I'm already within the need for such a thing, or if it's even doable. Anyone can help me out?
10 more posts in this thread. [Missing image file: 1307308870413.jpg]
How do I, as a 19 year old student with an interest in business and finance, raise start capital to begin investing? And how much money should I expect to raise before having a noticeable profit from investments?

Medieval armours

6 more posts in this thread. [Missing image file: _IGP0021.jpg]
Hey /diy/ , newb here. So i've been inspired by medieval Assassins and Assassins creed. I want to make leather armour, that's unique. But i have no idea how to deal with leather, nor metal. I don't want to buy already made armour, because i wont be able to fix it later if i ruin it somehow. Please /diy/, give me a start. ( Not full leather, since i am acrobatic and "sneaky" type. I could also put in a design )

How do I move Forward? (Any Science ppl)

10 more posts in this thread. [Missing image file: 30_cell_image.jpg]
I have an innovative idea for a treatment of a viral infection (not HIV, I wish) that I want to pursue but I have no idea how to move forward as I'm just a middle class college student. I don't want to tell a random professor so he just steals the idea, but I don't have my own lab either. Any ideas/ways to get started on mobilizing my idea/moving to the testing phase? Anything I'm missing? (I've finished all lab procedures/tests I'd want to do as well as theory and research into prior methods etc.)
10 more posts in this thread. [Missing image file: 45d38c8a58698886db349af208f977e4-pr(...).jpg]
Hello my /diy/ lovers i come to you for some help with a project. I need to build a robotic mic stand - so I can have a way to adjust a mic stand in recording sessions without having to leave the monitoring room everytime. It's part of a school project, and I have the arduino at my disposal. Is it possible to be done? do i have motors with arduino powerful enough to rotate, move and stretch parts of the microphone tripod? Pic related is the stand, thanks guys
6 more posts in this thread. [Missing image file: 991227460451043.jpg]
Hey /diy/ my tv has stopped working, the input menu will not stop flashing up on the screen and I can not get it to stop, does anyone know how to fix this. Pic related my tv model
10 more posts in this thread. [Missing image file: 220px-John_Deere_lawn_mower.jpg]
Have no clue where to ask this but here seems fine. So I am trying to record audio out in public but I have no clue how to do it. I'm talkin in a style like many pranksters on YouTube where someone video records me out in the distance but I capture the audio without people knowing. How is this done in a clean and secret way? Pic unrelated
30 more posts in this thread. [Missing image file: cad-vs-real-life.jpg]
Hello /diy/s, I have a project which requires an object of similar complexity as the image done from aluminum. I asked around from around 25 different metal workshops and all were either not willing or gave me a huge price tag(1000eur-1600eur) which absolutely destroys the budget for my project. That amount of money could also get me an off the shelf completed project or get me the machines that would let me build one myself. I don't feel like spending that money on anything related to the project. What would /diy/ do?
13 more posts in this thread. [Missing image file: wallpapering.jpg]
going to be wallpapering tomorrow, any good guides out there or some basic dos and donts?

Trolling the future

51 more posts in this thread. [Missing image file: timecapsule.jpg]
I'm building a very serious, high tech looking time capsule. I have equipment for engraving metal. I'd like advice on what to engrave on the exterior of the capsule to give the impression that it's epic and monumental. The contents will be trivial shit from the 1990s. I have, so far, a copy of Ace Ventura 1, 2 and 3 on DVD. I am open to other suggestions. I want the most asinine anticlimactic stuff possible so that after getting worked up and opening the capsule they will suddenly realize they've been fucked with from beyond the grave. So, what to engrave? And what else to include in the capsule contents?
21 more posts in this thread. [Missing image file: chickens[1].jpg]
Alright, lets get a thread going. Growing your own food at home. start of with basics, like vegetables and poultry and eggs and then build it to become more impressive into the future. >•poultry and eggs chickens and roosters then progress onto ducks and lambs aswell. >•Vegetables lettuce, parsley, spinnach, carrots, broccoli, potatoes Progress onto making a greenhouse with solar power UV lamps, start growing fruits and marijuana. If you have any knowledge on how to grow anything in a cold country please contribute.
7 more posts in this thread. [Missing image file: 2890414809_d42b5cc592.jpg]
hi /diy/ I'd want to practice routing/designing PCBs but I don't have any interesting ideas. Do you know any opensource projects or something that'd need stuff designed for them? Or do you guys have any great ideas/projects? I was thinking of designing a single-board computer, something like uzebox. But it'd need shitton of software too, and I don't know if there is really any interest for such thing anymore, especially after RPi et al are available. I'm also interested in all sorts of radio stuff, maybe i should make a SDR. But what I've seen, those tend to be rather expensive pieces. And I don't have all that much knowledge of what's inside a SDR. idk, i'm bored and need inspiration. halp me

The XRay

2 more posts in this thread. [Missing image file: 1351593934866.png]
Just need a link or a break down of how to XRay. If someone has a link for bubbling please include as well. Trying to learn to help the /r/ threads.
2 more posts in this thread. [Missing image file: 1344313533230.jpg]
Hey /diy/, quick question: Do you think those hex-style things on the wall were handmade or bought? If they were bought, where? And if they were made, how would I go about making them?
6 more posts in this thread. [Missing image file: RGK CX500 TRAIL 5-1.jpg]
I'm planning on replicating this seat for the same bike. I'm planning on carving (with an electric caring knife) than upholstering with vinyl. Anyone ever done anything like this? Where can I get some cheap vinyl?
7 more posts in this thread. [Missing image file: what.jpg]
Hello /diy/ers, This came with my desoldering iron. Does anyone know what this is?

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