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/diy/ Do-It-Yourself

Threads added between 2015/02/18 and 2015/02/25

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Most viewed threads in this category

Espresso Tech, General Plumbing/Wiring questions

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Hey /diy/ I don't usually frequent this board but I figured this would be ya'lls specialty. I'm starting my apprenticeship as a coffee technician, repairing and installing grinders, machines, brewers etc. My first task is theoretically simple but pretty much includes the bulk of my job; Installing a FETCO CBS2052-e double brewer. I've taken plenty of pictures, which I'll share with ya'll. I have just a few questions. I'm going to be using John Guest fittings for the line from the water main to the filter, and the filter to the brewer is going to be brass fittings. That being said, It's common in my industry to use PEX tubing and Sharkbite clamps for most things. Is it worth the dosh to shell out for SharkBite brand pex-clamping tool and crimp removal tool? My Home Depot has the clamp tool and removal tool for about $90 after tax and that seems like kind of a lot, there must be a tool out there that does both things in one. Is there? As far as wiring, I've never wired an appliance in my life and it's supposed to be rather easy but I don't know really where to start. I'll post the pics of the internals of the machine etc in a moment.
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Hi, /diy/. I make my PCBs using the toner transfer technique, but I never get a good transfer. I always get some points that the toner does not cover the board especially if the line is too thin. Is there anything I'm missing? I see on the internet people make some really nice transfers with lines with less than 1mm. I've already tried with different papers different and printers. I iron the board for some minutes ( I don't really know how much is good enough), than I remove the paper using cold water. But after I corrode the board I get lots of little corroded points in the lines. i could take a picture of a board I corroded but im at work now. Thank you.
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So I have an LCD Monitor I probably got in early 2008, It's an I-inc brand, model ix191A I'm wondering if there's anyway to tell what store sold this monitor locally? Like I need to know where my brother bought this thing. I'd ask my brother but he died a couple years ago. But nevermind that, I just really would like to know if you can tell where a product was sold locally by looking at the UPC codes or something. pls halp! tl;dr Is it possible to tell where a product with a serial number, manufacture date etc... was sold locally? :)

Smart Tint

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Sup Guys, I did a quick research on electrically stimulated polymers that change opacity wether or not they receive current. What i mostly got what SmartGlass, but its expensive as fuck. I found an alternative with SmartTint, its basycally a pellicule you stick to glass. Its a lot cheaper. I intend on powering it with a car battery. They offer on their site a mobile solution that works on 12V battery, which would be good for me, but you have to get a Pure Sine Wave Power converter they sell for 350$ My question is, how hard would it be for a 3rd year mechanical engineering student to make one for myself on a breadboard. I have some experience with diode electrical circuit, but I dont know if id be able to turn a dc current into ac that easily.
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i thought i'd make a diy computer case modding board since im doing one now and have a question to ask the pro's out there is it possible to remove the inner parts of the pc case that are held together by these ball things

Home Renovation/Addition Thread

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Haven't seen a thread like this, maybe it's a flop but seems like a fun idea to me. We post our current home layouts and our ideal modifications to make our home better suit our needs. Here's mine. We bought our first home less than 2 years ago. For the most part, we really like the layout, aside from the terrible master bathroom. It's tiny but worse than that is the layout doesn't even make good use of the space so it feels even smaller. Our plan is to first knock out the walls of our hall closet, linen closet and the closet of our guest bedroom and turn it into the new guest bathroom. We have plenty of storage space in our garage and don't need a closet attached to that bedroom since it is used as an office. After that is finished, we will knock out the wall between our guest bathroom and master bathroom to make it a true master bath, and basically build that bathroom from scratch since none of the fixtures will go to the same place. By doing this, this keeps us at the original 3bed/2bath mark for when it comes to resale value, and allows us to have a working full bath while our much improved master bath is undergoing renovation. The only work we won't be doing ourselves is the plumbing and electrical.
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during extreme cold, my bathtub drain has the bad habit of freezing. the drain is less than 18 inches from the exterior wall, and there doesn't seem to be adequate space for enough insulation. the drain appears to have leaked down (circled in blue) and pooled (circled in green) and frozen due to cold air and cold ground. i don't see how there could be standing water in the drain, as it flows freely. i used some sulfuric acid about 2 weeks ago to noticeable effect, so i assume it's completely clear. in this case, i assume that the water leaked out of a crack and froze on the ground, eventually causing water within the pipe to freeze as an 'icicle' built up. however, i still don't know why it's frozen before; there was never any sign of leaking, though the drain would slow noticeably when the temperature dropped below zero. thoughts, opinions, advice?
6 more posts in this thread. [Missing image file: ]
okay /diy/, I have a question for you. I've been working on something that would allow a child seat to rotate. The seat I'm using has a really complex geometry underneath. Just look under any child seat. I need to make some kind of plate that can fit underneath that. With this plate, it's gonna be sitting on a base that contains a bearing to rotate. You can't just put a child seat on this swivel base because the bottom of the child seat isn't flat. Any solutions?

DIY insulation project

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Hey guys, I'm gonna be insulating my 8x6 shed in a few weeks and need to know how much it will cost, and, more importantly, how to install insulation like a pro.
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I want to start airbrushing models that I 3D print. What is there to know about buying an airbrush kit? Would this be good to start with? http://www.amazon.com/Professional-Master-Airbrush-Multi-Purpose-Airbrushing/dp/B00GYHVDBS/ref=sr_1_6?s=arts-crafts&rps=1&ie=UTF8&qid=1424394379&sr=1-6&keywords=airbrush+kit Do I need more than one airbrush or can I get a cheaper kit that only includes 1?


0 more posts in this thread. [Missing image file: ]
FREE ENERGY ELECTRICAL ENGINEERING E-BOOKS COLLECTION FE-EE.zip 5.50 GB https://mega.co.nz/#!moEFnBpD!2h-2T1JEZ5oRlOIkgKIQtlWIql4gbvtKeGg9DSyZqII Contains These Folders: Aether.zip Aetherforce Library.zip Donald L Smith.zip EE Patents.zip Electrolysis Water Arc and Dielectric Breakdown.zip Electrolytic And Super Capacitors.zip Fast Light.zip Fuelless Engine.zip Gray-McKay Material.zip Kapanadze.zip Magnetic Amplifiers.zip Medhurst.zip Meyl.zip Minorsky.zip O Nichelson.zip Parametric Excitation.zip Paul Stowe.zip Reference Material.zip Reference.zip Steinmetz.zip Tesla Switch.zip Tesla UFO EBooks.zip Tesla.zip TM Mode Waveguide.zip Tuks.nl Torrents.zip Veljko Milkovic.zip Waser.zip FE-EE.zip 5.50 GB https://mega.co.nz/#!moEFnBpD!2h-2T1JEZ5oRlOIkgKIQtlWIql4gbvtKeGg9DSyZqII


4 more posts in this thread. [Missing image file: ]
After months of delay, I've finally made some serious progress. All the infrastructure is in place to start making the retainers. Some notes: -Vmax for tooth movement = .29mm/wk, so I'm going to be moving at half this rate for safety. -every two weeks I will move to a new retainer. I will also check the integrity and accuracy of the retainer against a new Permastone mold of my teeth. Next steps: -Modify scan mesh to separate teeth into movable geometry. -Print retainer positives, and vacuum form the first retainer. Pic related is the laser-scanned result, compared to an permastone-casted alginate mold of my teeth.

I made a table from reclaimed railway sleepers

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My second ever woodwork project I do as a hobby. Here is the full album http://imgur.com/a/lFK6c

Making a whirlwind

9 more posts in this thread. [Missing image file: ]
>burning man >art cars I want to make a dust devil. They might be called "whirlwinds" where you are from. My idea so far involves a couple of those directional shop heaters, and a large box fan. I figured this was a good starting point to get air movement and temperature differences. I am not getting a very impressive dust devil at all. I'd be happy with something 3 ft tall and visible to the naked eye because it picks up dust and dirt from the ground. Any of you have any reading material or advice?

Homemade musical instruments

10 more posts in this thread. [Missing image file: ]
A thread for homemade instruments, the people that made/make them, and the people that wanna make them. Let's kick it off with a question: how would I go about making a homemade PVC alto saxophone starting from just a mouthpiece and a length of PVC?
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What kind of 3D printer would I need to make pic related? It's a 3D printable P90 style AR lower. I don't know anything about 3D printing but I see you guys have threads on building your own for really cheap all the time and was wondering if you could point me in the right direction. Are there different strengths of materials when 3d printing? Is it all basically the same shit? Thanks in advance.
7 more posts in this thread. [Missing image file: ]
Hi /diy/. I want to have a circular trout farm with floating veggies on top to help filter it. Hydoponic floats on top of a aquaponics system. Not sure which veggies to have floating on top. I am certain that I will have a windmill pumping the fans for their ulterior filtering process though. Any ideas which plants are most survivable in this sort of system? The filtration process will be a pipe in one side, pushing water at the other end as it returns to cause a circular flow. Plan on using a round cylinder tank that's above ground. Sites to read this up on would be nice. Key words are "Aztec Garden".
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What if I thought I might have found a way to make a bicycle much more efficient in terms of power output? Like... 50% or more based on initial estimates? It has something to do with telescoping cranks with an offset captive guide... Let's see if /diy/ comes to the same conclusion that I have.
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Anybody have any idea how I might track down a datasheet or a pin-out diagram for a camera module off of a RC helicopter? It has the camera and sd card slot in one module, But I do not believe it has the receiver in it. It has a 4 pin interface with the helicopters main board, and I have identified which one is power and ground using a multimeter and sticking probes into the helicopters main board. I presume that the other two pins tell it to take a picture or start recording a video, respectively. My endgame here is to be able to use the camera module from the helicopter with an arduino instead of the helicoptor's main board triggering the picture/camera capture. Ill post more pics related, and provide details as needed. Iv done a search on the coptor model and could not find anything directly related to the camera module, and my multimeter experiments tell me that the pin for the red wire reads about 4.6V, the black wire is ground, and the blue and green wires normally read 2.948V. When I push the picture button on the controller, the reading on the pin on the main board for the coptor that would connect to the blue wire drops, but I could not determine conclusivly by how much. (some of the time there was no change, so I have a bad feeling that it might not be a HIGH/LOW game im playing, but rather a question of finding the right pulse or something) The green wire pin read the same voltage as the blue when idle, but I was unable to get any meaningful results by looking at its change when I told the board to take a video. I tried replicating the described voltages with the analogWrite function with my arduino, however the camera did not power on when I did this. (there are two LEDs that did not go on) >>TLDR; How do I control a camera module from an RC helicopter using an arduino? pic related. I can zoom in on particular areas if needed, but cant put the original images in all at once because of size image limit.
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Hi. /sci/entist here. How do I into home cryogenics? I'd like to build some kind of cryostat, or some other means of making liquid nitrogen.

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