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File: 1492678838479-0.png (775.54 KB, 300x225, 1464476147143.jpg)

No.1 [Reply]

This is new /Δ/, also addressable as /diy/, the projects board. The intent is that this board will be used to share and discuss physical building projects and other creations not suitable on other boards, such as cooking, automobile work, structural modifications to buildings, metal working, and circuitry design.

Discussion of computer working or electrical design and modification may be considered more appropriate on /Ω/ or /λ/; a thread in each or any of these boards for this is reasonable and allowed.

Creation of artwork, including music, games, visuals, and literature will belong in the /culture/ overboard, rather than this board. It's important to make certain no other board commands a subset of a project type before starting a thread here.

Do not give advice that is misleadingly dangerous or otherwise purposefully misleadingly harmful on this board. Failure to comply will result in a public ban indicating such or deletion.

If a large topic, such as cooking specific categories of food, already has a thread, try to use that rather than starting a new thread, if reasonable; starting a long-term project is an example of a topic that reasonably warrants its own thread. In particular, it's not reasonable for a particular medium to overwhelm the others across the board.


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No.1248 [Reply]

So I'm in the dorms at a US college and since I'm pretty nerdy and socially awkward like most of us, there's really no opportunities to get alcohol until I'm 21. So I decided to take the DIY approach.

As somebody who has never brewed anything in his life before and just had the internet, I decided to get two S bend airlocks (with included bungs), some 5g packets of Red Star champagne yeast, and some big containers of juice.

I poured out a bit of the juice from the bottle, and a gram of yeast was measured out and poured into the juice. The bung was inserted into the mouth of the bottle and the S-bend (with some water inside of it) was fitted into the hole.

A day or so later it started bubbling, and after 9 days of brewing, the grape juice turned into (pretty shitty) wine and the apple juice into mediocre cider.

My test subjects rated (based on taste) the grape juice as an average of 2/10, and the cider as a 7/10.

Since I'm doing this sort of brewing completely blind, and obviously don't have the sorts of resources to do anything more complicated than this, I just wanted to share this little project and maybe pick some of your minds for some more advice. Let me know what you think!

Pic obviously related.
36 replies omitted. Click reply to view.

  No.2788

I feel so sorry for yanks. we were getting served at 15 with what amounted to little more than "I am 18 honest" written on a bit of shit stained toilet paper. god bless those paki bastards.

  No.2954

Story time. So I was deployed with the us military in Afghanistan and working with some Romanians. You aren't allowed liquor in the sandbox but these guys smuggled in so much vodka. I have no idea how. So anyway. That wasn't enough. So guy took and rigged up a wine making system with two Jerry cans and a hose. All found materials. He grabbed juice from the cafe and mixed it with his own yeast. He had to "burp" it as the gas expanded. His room smelled like soykaf. It turned out ok apparently.

Goes to show it helps to know what your doing but you can make some ghetto wine if you really want to. It doesn't have to be an exact science.



File: 1415726306891.png (1.8 MB, 300x225, Geoduck On Counter.jpg)

No.125 [Reply]

Hi /diy/! In the sticky it is said that cooking is a /diy/ subject, so I thought I would share with you some pictures of when I cooked a delicacy, a geoduck clam.

This picture shows the geoduck sitting on my cutting board.
78 replies omitted. Click reply to view.

  No.3512

It looks like one of those viagra clickbait ads.

  No.3529

File: 1490916361844.png (377.58 KB, 200x152, Osy2GiF.png)

https://gitla.in/nimbius/recipes

it needs work. namely i need to add some descriptions of how exactly you cook some items. contributions welcome.



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No.1324 [Reply]

Has anyone any experience of this? What do you think of it? What kind of people are they suited for?
47 replies omitted. Click reply to view.

  No.3453

Went to one for a tester but I have no money and it's difficult to be let in by paying less without others knowing and 0 contacts in the space. I'm feeling to change my look and go for the tester again to ask for a discount or get in for free,

  No.3541

>>3423
what about all the crapfest and "inclusivity" which caused problems a few years ago?
saw that their mailing list was silent on drama-matters

did they move it off the ML to meatspace or have they done something to stop bums from screwing things up for everyone else



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No.1342 [Reply]

I have two Sun Sun Ray 1G 102 thin clients. What should I do with them?
2 replies omitted. Click reply to view.

  No.2067

>>1342
See >>>/r/25395
Host website.
>>1357
How the shit do you think you can decode near any video on one of those things?
Unless you transcode the stream somewhere else first...

  No.2231

File: 1468862031051.png (2.71 MB, 200x113, 1468704974383.webm)

sun hardware generally isnt known for its video capability, just raw number crunching. what you have are thins that are supposed to connect to a 420R or something beefy and about the price of a ford explorer.

if you like crypto, make one of them a root, and the other a CA. they do wonders crunching large keys even with a 32 bit RISC. you can even configure them as a tunnel or gateway for a vpn. downside is you can do the same thing with a pi, at about 1/10th the electricity.



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No.1370 [Reply]

we can have a thread about mechanics how cars, motorcycles and industries.
10 replies omitted. Click reply to view.

  No.3472

>>3471
>ultralight wheels
Make sure to not go into light alloys if you don't have good roads. From my motorcycle anecdotal experience I've read plenty of people that ended up with cracks in forged magnesium wheels.
As for springs, it's a pretty easy job but make sure to get the spring compression tools, they're dirt cheap and making your own isn't worth it.

Speaking of tools, if you don't have one make also sure to buy a dynamometric wrench. Sadly, if you want to do very different things (like frame and engine) you'll need two, one in the 2-25 Nm range, and one in the 10-250 Nm range. These are probably the most overlooked tools someone should own.
And an air compressor with pneumatic impact gun is always a godsend when you find that fuarrrking nut that won't come off no matter what (which is every fuarrrking frame nut and bolt ever), but be sure to not use it to actually tighten soykaf, or at least pay attention to it because it's easy to overtighten them (especially the wheel bolts).
If you can't afford that right away you can always get a manual impact driver and a hammer for about 20 bucks, even that will save you a lot of headache.
You'll anyway need a compressor to adjust pressure in the tires, and you don't need an expensive one. What you need is a good tube and good fittings, the stock ones are always about 5mm inner diameter (at least here) and that's the way to make an impact gun work like soykaf.
The one thing you don't want to cheap out is wrenches. Don't buy one of those adjustable spanners and think it will be good for everything, fuarrrking up a bolt is piss easy and it will be a pain in the ass to fix. Fortunately, it's pretty hard to get soykaf wrenches, I only had a couple fail on me in over 10 years buying el-cheapo brand tools.


Motorbikes are somewhat easier to work on since most of the parts are very light and don't require any jack-tricks to put on/remove.
>>2193 old shock absorber fluid has the most disgusting stench to be honest. It was almost on par with that time when my engine was filled with wd40 and smelt like burnt death for a week. Even for a two stroke that was too much.

  No.3478

>>3472

Having attempted to sway the front anti-sway bar on my Impreza I can vouch that getting a fuarrrked nut off a bolt is cancer.

We tried everything but given the extremely limited room our options just didn't work. Eventually had to take it to a mechanic to get the bar replaced and they had to drop the exhaust off.



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No.15 [Reply]

Have any of you tried making your own music? I've been making some electronic music with LMMS and it's fairly relaxing.
15 replies omitted. Click reply to view.

  No.62

Shameless plug: https://soundcloud.com/hypersurface/corridors
I dabble a bit in music. I don't often make much but it's fun to hear something finally take form.

>>40
Your song is clipping like crazy. Back off a bit on the volume and make sure the volume meter is never in the red. It's considered best to keep everything in the track below -6db until the mastering phase. Other than that, practice a bunch! I maintain the notion that everything you make in your first year of production is soykaf, but don't let that dissuade you from trying!
>>42
I like it, it reminds me of Aphex Twin. I'd recommend adding some more stereoized elements, the mix seems a bit dull and empty. More stereo means a fuller sound.
>>47
Cool. Not really my style but it's different and I can respect that. The clicking sound likely exists because you are retriggering the sound in a way where the new wave is out of phase with the old one. Adding more attack / decreasing the decay time would help with this, like the other lain said. Adding other modulations to the sound would also likely solve this.
>>51
I like the chill / psy sounds. The kick drum in the second sounds comparitively very loud to the rest of the mix though.

Cool stuff all around, I'm going to keep an eye out on this thread.

  No.63

OwO a new wage slave your music thread? Don't mind if I do!

>lo-fi and lo-fi hip hop

https://soundcloud.com/akazimusic
>dark techno
I keep meaning to finish off my new release for this but have been busy
https://x49sounds.bandcamp.com/album/home-end
>black metal breakcore noise cyberpunk I guess?
don't take it too seriously
https://tuiszt.bandcamp.com/releases



File: 1455970724133.png (830.02 KB, 300x225, 1452194786618.gif)

No.1665 [Reply]

I been thinking about ways to build a VR system without having to pay a shitton of money for a headset

Most obvious choice is using an android phone with one of those plastic cardboardVR alternatives. A phone or small tablet with a 2K screen should give me better image quality than the oculus DK2 which has an old 1080p screen. Besides the sensors and camera in the android and the SoC itself can do a lot of tracking and related calculations.

For motion controllers I been thinking of using wiimotes, not the early ones but the ones that came later with the extra motion sensors. I saw some guys selling a cheap as fuarrrk 3D printed controller called revolvr that its basically just a light that changes color when you press the button, but somehow they managed to get the camera on the phone to do the tracking entirely through software by simply adding a chintzy piece of black plastic over the camera. Rather than use this soykaf which they expect to sell for like $50 I could get the PSmove controllers which already have a light and bluetooth plus gyros and soykaf like the wiimotes meaning that the tracking will be even better.

I could also use a leap motion since the new orion update finally gets the fuarrrking tracking to actually work instead of shitting itself when you turn your hand. I know, I tried the original and it was shit, but it seems it works now and I can get one new for $50 or less. Though I rather use actual physical controllers specially with vidya.

Problem is software, basically getting vidya and other VR programs made for soykaf like the oculus to work with this. I seen some kids getting minecraft on the PC to work with cardboard but it wasn't proper VR since the headtracking replaced the mouse instead of being independent. Is there something I can use? like an oculus emulator?
18 replies omitted. Click reply to view.

  No.3469

>>3455
But normally you have a screen that is like this for VR soykaf:
[left][right] and if you used that 3DS screen it'd be more like this:
[left+right] so that the right field of view is wider than is possible with normal screens because with normal screens each only is limited to half of the screen.

  No.3470

>>3469
I expect Nintendo to try something more VR-like soon because of their fancy Switch controllers and probably an upgrade to the screen between them to a 3DS type display.



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No.1671 [Reply]

Got my hands on about 30-40 hdds all with holes through the disk.
Decided to see what i could salvage from them.
First off going for the gold in the pins.
Never done this before but ill update how its going.

Anyone else ever do any metal scraping or general salvaging of tech.
Figure i should get good at this since in the future theres going to be alot more old tech being thrown out.
31 replies omitted. Click reply to view.

  No.3139

>>3136
with the HDDs, make a SAN.

With the phone, see if you can get it to run custom firmware then flash something dope on it.

  No.3143

Hard Disks have rare earth magnets you can salvage. the neodymium magnets are super strong and can be used for a wide variety of things.



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No.175 [Reply]

Hi /diy/! anyone into origami? any good links with models?
34 replies omitted. Click reply to view.

  No.3142

I'm interested in functional fabric origami, taking a piece of cloth and folding it into useful things like a piece of clothing or a backpack. I haven't found any material, though.

  No.3180

>>3142
i've done some decorative fabric origami, kept in place by a couple of stitches, i've also done fabric giftwrapping. I'd be pretty interested in incorporating fabric folding in a fashion design, since it's a useful but rarely used technique



File: 1458101730066.png (1.86 MB, 300x226, IMG_1474.jpg)

No.1785 [Reply]

Is anyone in to robotics?
I've made a few bots in the past, but I would like to see if I could make one on the cheap. Does anyone know of any good part shops? What are your guy’s projects?
Pic is my most recently finished robot.
19 replies omitted. Click reply to view.

  No.3457

I never got to do FRC (no money) but I did FTC for 4 years in highschool, and I mentor the team now. How many of you kids think you're going to make it to worlds?

I'd be down for a meetup. (St. Louis Region)

  No.3458

File: 1489123809934.png (512.71 KB, 200x151, S7_750.jpg)

I have been getting into robots seriously lately, and am working on a couple of projects. However, my interest is on the intelligence side. One project is to have a UAV keep multiple surface vehicles in view, using only simple reactive behaviors. My other project is to create a communication system that would allow very heterogeneous robots to share their experiences (time & space) with each other for case-based reasoning and such. Both projects are still in early development, but glad to talk more about either if anyone is interested in this stuff.



File: 1458606155871.png (166.82 KB, 300x169, solder.jpg)

No.1806 [Reply]

figured this should go here, better than anywhere else. I'm getting a little starter pack of electrical components from eBay soon: resistors, potentiometers, LEDs, a breadboard, an arduino, etc. there are lots of cool projects online that I've been aching to try out. recently my FM transmitter I used for listening to music in my car gave up the ghost so now I have that to salvage components from. the AAA battery case and aux cord are of particular interest to me.

I thought that, judging by another project I saw done with a raspberry pi zero, I could connect a wire to one of the pins on an arduino (transmit, I'm assuming?) as an antenna, and do a little breadboard circuitry to makethe aux cable usable as input. no idea if it would work, though, or the complexity of the program I'd have to write.

are any lainons here electrical engineers? what are some projects you've made or are working on? have you ever popped something open and added something of your own to the circuit board? I'll provide the link to the bundle I'm buying, if anyone wants it or wants to recommend a better one to me.
29 replies omitted. Click reply to view.

  No.2591

BUMP

  No.3131

bump



File: 1416755234052.png (5.97 KB, 235x214, offPocket.jpg)

No.182 [Reply]

Does anyone have any experience making one of these? I could just buy a few yards of silver-fabric right? Any advice on how to do it right?
39 replies omitted. Click reply to view.

  No.2982

>>2510
>thinking smart and iphones will be fully off
>not knowing phone have a second battery and if you want to be fully off you would have to find that, and plug that of that off as well including the main battery as well.

  No.2983

>>1408
>If you're stupid enough to have an electronic device on without a faraday pouch (which is basically mandatory during hacking cons) then you're giving anyone there permission to hack you. They will most likely fuarrrk up your phone to the point it hard bricks itself and you have to throw it out.
Show me proof that this has ever happened. The defcon wifi pineapple thing doesn't count.



File: 1459506310275.png (1.08 MB, 300x189, BTC.jpg)

No.1854 [Reply]

Let's have a general thread, for listing ways to make money in the Wired, and sharing protips, Lains
24 replies omitted. Click reply to view.

  No.3419

>>1854
get a job? programming, therapists, virtual assistants, and qa can often be remote. i work for a popular anti-crapware company and i am completely remote with the occasional travel to visit my team. freelance if you don't want to be an employee. hang your shingle somewhere.

  No.3542

>>3408
I'm pretty sure that the actual silkroad and the sites that popped up to replace it offer(ed) that service.
Lain was just telling you that if you talk about doing it here on Lainchan, you'll get caught.



File: 1413098181855.png (1.28 MB, 226x300, lock.jpg)

No.19 [Reply]

anyone into lock picking? i just did my first lock.
98 replies omitted. Click reply to view.

  No.2466

i definitely do. my problem is finding locks. i've been to junkyards and spent quite some time in thrift stores trying to get some old locks. outside of just wandering out in the wild and being sketchy af picking locks, where do you guys get yours?

i ended up going to this marketplace where a guy claimed to give me a bunch of high security locks for 50 bucks. what he sent were things i could have picked up on a dark night in a storage unit facility.

  No.3494

>>2466
Dumpster-diving behind a locksmith shop. One can actually procure some quality locks in this manner, though it must be forewarned that parts of the lock may be broken (i.e., the clasp of the lock might be broken, making it useless, but the mechanism still works, making it useless to them, and golden for you).



File: 1492695512734.png (215.74 KB, 300x273, little_pi.png)

No.2 [Reply]

So, I want to build a laptop case with a small screen and plop a Raspberry Pi 3 in it. I'm aware of things like PiTop but I want to build this myself. You can already buy little ass screens made just for RasPi3s. Any ideas guys?

>inb4 "just google it"

>I've seen ideas already, I'm asking you for YOUR'S.
32 replies omitted. Click reply to view.

  No.61

File: 1492975694678.png (148.6 KB, 200x113, 149268459649.jpg)

>>57
>whole post
Oh, well thanks for pointing that out. You are spot on with the aspect ratio,
measurement says roughly 355:100, which boils down to 32:9.

Guess >>28 will have a way harder time then I expected,
even starting this project.

  No.64

>>43
The Adafruit screen that that case is made for is a touchscreen. I'm debating whether to get a GSM module or just use Linphone with Ekiga as my ITSP and stay on wifi.



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No.2097 [Reply]

I have come to the conclusion that instead of buying boring 'designer' t-shirts that I will probably rarely wear because I don't like them anyways I should rather just make my own t-shirt designs and print them at local stores.

This way I can both express my creativity and DiY-ness.

Some of the things I would want to print are GNU/tech memes, so if you can suggest any good tech memes(they don't have to be about GNU/ Linux though) that would be great. Oh yeah and I am more on the sysadmin side of things.

On a less serious note I think I will call it 'meme fashion'.
16 replies omitted. Click reply to view.

  No.2338

>>2240
or just get proper fabric paint

  No.2381

File: 1471850400414.png (16.65 KB, 200x200, Pirandello-Kruger-from-Mirror-s-Edge-T-Shirts.jpg)

>>2097
I'd like to create /cyb/ related shirts myself, not at a printshop but with stencil/paint as >>2240 suggested.

So does anyone have stencils / single-color graphics that are /cyb/ related and would go nice on a t-shirt? or power level hiding lain stuff.

one thing that comes to my mind are evil megacorp logos from various games/books/movies, pic related.



File: 1466140274497.png (139.46 KB, 300x200, storagecontainerhouse.jpg)

No.2111 [Reply]

Alright, lainchan.

I recently inherited a single acre of land in the middle of 'Fucking Nowhere, Alabama'. I pay 108$ in land taxes every year. There is a single house.

However, all of the wiring and plumbing has been stolen from the house (scrap metal is a large business here). It can be a blessing in disguise, since the house is older than 1960. The plumbing is still hooked up to the base of the house, and an electrical pole is still near. My family has been kind enough to replace the roof and flooring.

I want to make a home for the rejected. In my direct company, people have been disowned and thrown out for being gay, atheist, and for other non-nonsensical reasons.

How can I turn this shithole into a paradise with the least amount of money as possible? Can I create a commune/colony to stand the test of time?

I don't have pics, yet.

>tl;dr I have an acre of land and a shit house. Help me make it cyber as fuck.
107 replies omitted. Click reply to view.

  No.3416

>>3413
Good idea, thanks(not Op)

  No.3452

>>3413
Of course, co-operative ownership is the rational alternative to the private tyranny of landlordism. Make a change. Counter-power in action.



File: 1467228576958.png (143.58 KB, 300x195, gvcs-all-50.jpg)

No.2170 [Reply]

6 replies omitted. Click reply to view.

  No.3100

>>2171
Thank you for derailing a perfectly legitimate thread for this board with your unfounded paranoia you fuarrrking moron.

  No.3107

>>2171
Confirmed for a moron who didn't even look at the site, let alone any research.
The whole point is they are giving industrial capability to villages, instead of just foisting manufactured goods on them.
The machines in the GVCS can be used to replace any of the machines that break, they are giving self-sustaining technology to people, the proverbial "teaching a man to fish", the opposite of the junkie-pusher relationship fostered by every big company raping the third world.

fuarrrking moron. You are too stupid for Lain. Get the fuarrrk out.



File: 1468211330095.png (82.38 KB, 300x111, Octocopter_9-980x360.jpg)

No.2202 [Reply]

/diy/, what sources of information on building/controlling drones could you recommend.Building drones is somewhat new to me and i would like to know any good sources.
1 replies omitted. Click reply to view.

  No.2427

File: 1472221436321-0.png (222.61 KB, 200x116, Quadcopter-basic-schema.jpg)

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>>2202
Here's some shit, Recommend using the naze32 and Cleanflight starting out, it's easier to figure out and hookup then some other flight controllers.

  No.2428

File: 1472221484047-0.png (222.61 KB, 200x116, Quadcopter-basic-schema.jpg)

File: 1472221484047-1.png (589.72 KB, 200x160, nazeosdgps.png)




File: 1469277796580.png (91.98 KB, 268x300, image.jpeg)

No.2235 [Reply]

Does anyone have any ideas on how to get free food that isn't expired
24 replies omitted. Click reply to view.

  No.3337


  No.3340

File: 1486921563176.png (66.49 KB, 200x194, I2ouadB.jpg)

>>2236
albeit 40% of american food goes un-eaten, dumpster diving is also an excellent way to contract a preventable yet fatal disease. If you're in the united states, and currently do not have health insurance, avoid this.

>>2237
yes, this is food, but its ethically questionable to take from people who need it ostensibly more than you.

not trying to derail the thread, or maybe I am. speaking as a former cook, you have no idea how insane the markup on food is. The same salmon dish that at a restaurant would cost nearly $30USD, probably cost $5 to prepare. and thats not taking into account the generous discount food service gives us for contract orders. Pasta is notoriously overpriced. I once had a dish that cost maybe three dollars to put together, that we managed to mark up to close to $50. Shrimp are not as expensive as you think. neither is steak.

>>3080
I could calculate a week of pizza in my head 6 years ago. a slice of cheese pizza costs less than a dollar to make. markups on toppings are outright extortion, because most of the stuff we use to make toppings is on the expired/cut list. Nobody bought the sausage plate this week? its pizza now and the markup increases.

we're charging you for your laziness.

>>3104
fish around the area is often unsafe to eat. the presence of flesh flukes or runoff disqualifies most fish from your plate, the CDC publishes a list of acceptable locations to farm and harvest shellfish, because there are toxic algae that can turn regular shellfish poisonous in less than a season.

>>3337
farming! if you have land the easiest way to get started is a cheap herb garden.



File: 1469749726477.png (771.9 KB, 211x300, quxRpWi.jpg)

No.2248 [Reply]

Hello /diy/ i want to introduce myself to the art of DIY. Especially with IoT devices, RPi, arduino... Where do I start?
1 replies omitted. Click reply to view.

  No.2250

Find a project you want to do and go for it, even if you don't know what you are doing you will most likely learn something.

  No.2251

>>2250
this x 1000



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No.2333 [Reply]

going to be setting up a diy studio soon and would like some pointers on getting started with useful arduino projects. The studio will be mainly for creating music and games.

also any other recommendations for what to have in such a studio would be nice.

  No.2334

Well,
Arduino Projects are only useful if you have something that needs to be automated.
Otherwise they are just fun toys.

What I would do is, set up an computer, and on it a nat, web-server, and maybe run some website.
As for music the possibilities are pretty endless. Maybe you could use some arduinos or raspberries for musical things!

Anyway the must haves are a soldering set, a way to manage your electronics and cabling, enough desk space, and computers.

  No.2335

>>2334
know of any good guides for setting up a NAT?

any suggestions for good ways to manage the electronics and cabling?



File: 1471511759405.png (17.79 KB, 169x300, 190px-Kossel.jpg)

No.2350 [Reply]

Hi Lains,
I am building a 3D printer, been working on it for a long time, I got stuck with a lack of parts for a while.
I am specifically building a Kossel Mini, I regret this, I should have built a Prusa based reprap for my first 3D printer.

>>http://reprap.org/wiki/Kossel


DIY 3D printer thread.
Has anyone here had experience with repraps?
2 replies omitted. Click reply to view.

  No.3009

>>2999
>if you buy a fully assembled printer, it will break and leave you sad.

3D printing is fine but if you're running your own you will need to have a fair understanding of the machine.

As long as you're prepared to patch and mend and adjust, you'll get something out of it. If you just buy a ready machine, you'll be stuck the first time it runs down.

Futuristic machines, like outdated ones, need ongoing personal attention.

  No.3043


>>2350
I was designing my own delta, but never finished it. my idea was to use 3 brushless motors to drive 3 stationary threaded rods to move the carrage, I should really finish it.



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No.2351 [Reply]

Anyone into really compact computers especially hand-built ones?

https://www.youtube.com/watch?v=Ko7eNx0zAuI
This is a really good example for what I mean.
84 replies omitted. Click reply to view.

  No.3547

I really want to build something like this but my main problem is the case. I don't have access to a 3d printer and those that I've found commercially are all either just a regular Rpi case with a tiny screen slapped on top, or are made for a larger tablet sized screen. I want someting more like the pocketchip but with a higher res screen and more powerful sbpc.

Plus, I just wish they sold a RPi3 in a model A format so that it could be a little thinner and not sacrifice power by going with a Zero or similar board. Something like >>2588 is cool but look how damn thick it is. I will probably go with that keyboard though for the size and price.

I guess if nothing else I could just find a board, slap the screen and keyboard on the front and the Pi and battery pack on the back.

  No.3548

File: 1491466815926.png (19.62 KB, 200x113, Vintage-Jvc-3050-Portable-Mini-Television-Tv-Radio.jpg)

>>2374 Oh man now I really wanna get an old style portable TV and hook it up to my stereo system with a Pi as a music streaming box.



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No.238 [Reply]

49 replies omitted. Click reply to view.

  No.3515

>>3500
For the love of god, whats the source of the manga page

  No.3516

>>3515
Mesu-Nized Festival



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No.2383 [Reply]

Hello, if I wanted to maintain constant radio contact with a device 15km (~9 miles) away, and I had no guarantee of line of sight, what would be the best way of achieving it?

Is it best just to get a very large antennae or would I be better off having an intermediary device to bounce the signal off (attempting to the intermediary in a position with LOS)?

Also does anyone have any textbooks on this sort of things they would be willing to share?
4 replies omitted. Click reply to view.

  No.2393


  No.2394




File: 1471924518592.png (1.53 MB, 300x200, MakerBot_Replicator2_Front_View.jpg)

No.2388 [Reply]

Besides the obvious, where did you work? I'm not answering that folks.

Feel free to ask about the future/past/present/quality/advice/consumer issues et all. I'm here to answer.
6 replies omitted. Click reply to view.

  No.2478

>>2388
I always see 'futurologists' making all kinds of wild forecasts about 3d printing. I also remember in the 90's when these people were saying we'd have flying cars by like 2010.

I guess my question is what industries do you see 3d printing revolutionizing and how?

  No.2481

>>2465

>do i need to just continue configuring more to get a much smoother, nigh negligible printing lines, or do i need a new printer (printrbot simple with a heated bed)?


You will always have lines as long as you print with a filament based printer. It is a natural consequence of the process, and consumer printers do not have the accuracy, precision, or reliability to mitigate it. The thing I said before about the heat / expansion in the material not being taken into account by the software goes double here.

Think about it this way, the accuracy of the printer is in some way limited by the diameter of the nozzle. Anything is "squirts" under it can only be controlled to the area of the nozzle opening, with some error.

Easiest way to a smooth print:
Build an acetone vapor chamber and melt the lines off. Sanding wont work very well, but you can try.

>>2478
3D printing has been great for industry for over 30 years. It was in industry long before there were consumer printers. The consumer printers are the new revolution. Companies like HP have had these things since like 1980.

As for makers in their homes, there are already plenty of start up success stories. If you need a cheap prototype that's about a 6x6x6 concaveish shape, then it works fairly well.

However, if you have any money whatsoever, you are almost always better served by going to a service like shapeways. The quality is better, and you don't have to spend the rest of your days repairing the thing.



File: 1472522174395.png (22.58 KB, 300x191, images (49).jpg)

No.2454 [Reply]

Anyone have any idea what to do with one of these?

  No.2470

>>2454
not much. its a symbian phone, up-gradable to belle os or whatever nokia software from the time.
You could use it as a burner phone with disposable sim's, use it as a pda type device, use it for a phone like normal, or recycle it?

  No.3092

File: 1482614765988.png (28.12 KB, 200x175, 1480261835001.jpg)

Pretty much all the same stuff as with any other smartphone.
Have been using one for a lot of things for years as my major device, ask anything about the apps and other stuff if you need.



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No.2664 [Reply]

It's not good place to ask at all, but considering i saw pcr thread here i might as well ask.
I kinda want to store cum(mine and my boyfriend's) in larger quantities. Additionally i'd like it to not lose it's texture.
I know freezing is the best idea, but in my opinion doing this "commando style" aka shoving the airtight container into a freezer is not a very smart move(and then to unfreezezing it with a waterbath)
Alcohol also produces interesting results, but semen is kinda unusable.
Anyone interested in that topic?
18 replies omitted. Click reply to view.

  No.3534

Mix with 10% glycerol. Use something faster than a home freezer, or at the very least put it in a vacuum seal bag that's not very full, so that it is in a thin layer and freezes quickly.

  No.3550

File: 1491541966212.png (35.85 KB, 200x194, 1486323463660.jpg)

>>2664
>>>/drg/ you sick bastard.



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No.27 [Reply]

DIY-themed infographics.
4 replies omitted. Click reply to view.

  No.45

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>>41
Aren't you supposed to cook potatoes before injecting them?

  No.59

>>41
great, now give a recipe for making crystals at home



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No.2743 [Reply]

So, I want to be able to hotswap batteries in my thinkpad. My idea was to use a supercapacitor; I only need enough time to pull one battery out and put in another.

Are there any immediate issues with this? Some problems I can think of are:
- space and properly packing away wires
- on linux, how will the acpi stuff react when there's no AC power AND no battery? will it just say "unknown power source" or will it cause other issues?
- safety issues? I know some tantalum capacitors will quickly catch fire if you exceed their acceptable voltage, but I don't know about the materials used in supercaps
- do I need to worry about voltage spikes on V+ when I plug in AC power?

If supercaps aren't viable I'll probably just use a small lipo & trivial charging circuit, but that has its own issues.
8 replies omitted. Click reply to view.

  No.2894

Instead of a complicated setup, Why not just jury-rig a second battery adapter so you can plug the second battery in before taking the first battery out?

  No.3482

>>2868
my x41 has 2 batts - 1 underside and the main one - I only engage the underside batt to enable me to hot swap out the main batt. I dont think they do that any more - maybe a 2.5" drive bay batt?



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No.2780 [Reply]

I recently found that the lock on a fire escape near my house in London has rusted off, and so it is now very easy to get to the roof of this 6 storey building by climbing some steps and a couple of ladders. The roof is mostly flat with a chimneystack in the corner, and has a hot air vent which makes it comfy and warm even in the winter.

I want to somehow set up the place so that, in dry weather, I can take the trip up to the roof and study physics (my chosen subject) up there, in a comfy environment with a nice view and away from the distractions of home.

So I'm trying to think of what things I'll need to make it comfy up there. So far I have:
>portable whiteboard to tape to chimneystack to do work on
>whiteboard pens
>rug or mat to sit on, the same kinda thing hobos have
>some sort of weatherproof object to hold files and papers in
>maybe a portable heater or light source

So my question is twofold.
1) Can you think of anything else that would be good to have there? It either needs to be portable enough for me to bring it there every time, or weatherproof+cheap enough for me to not care if it gets stolen.

2) What kind of weatherproof mats and light sources are available, and where can I get them from for a reasonable price?
7 replies omitted. Click reply to view.

  No.3468

Dumpster dive for an old couch? It could be more comfortable than a mat, and you can always just put some sheet over it for weather/hiding purposes. I would also recommend a mini fridge on hot days, you can make one pretty easy ^^ Be sure to post pics if progress.

  No.3483

>>2780
Replace the lock, tap into some electric - put up nice walk in tent - then rent out the roof...



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No.2857 [Reply]

i'm looking to get started with making circuits. is there any fun beginnersproject anyone could suggest.
11 replies omitted. Click reply to view.

  No.3001

>>2858
so cute.
Thanks, I came to the board especifically looking for something like this.

  No.3044

>>2857

Jacobs ladders are fun :3



File: 1479974443185.png (946.15 KB, 300x240, nichi_kotatsu.gif)

No.2877 [Reply]

have any of you built your own kotatsu? if so, please share images/blueprints

i've been wanting to make one for a while, but i've never really constructed anything in my life
15 replies omitted. Click reply to view.

  No.3446

>>3444
I didn't want someone stepping on the blanket and pulling the table top and everything on it over.

  No.3451

>>3046
That's a real nice website you got there, beautifully designed



File: 1480484437079.png (63.82 KB, 300x226, turn off circuit.jpg)

No.2907 [Reply]

how do I know how big a capacitor to use; what purpose does the Atmel AVRtiny serve?

or where can I go to learn what is happening here? http://www.instructables.com/id/Raspberry-Pi-Shutdown-Button/

  No.2921

>>2907
After taking a quick look it seems the attiny is used to send a signal to the Pi to turn it off safely before removing the power with a relay, it basically removes the human component from switching the Pi off, this is done to avoid data corruption.
The capacitor only seems to remove the noise from the power supply of the attiny according to the circuit.
Capacitors are like a pond in a stream, the bigger the pond, the calmer the water. The same applies to electronics, a big capacitor will smooth all the ripples.
In this application anything avobe 100uF will do fine. Calculation of the capacitor value isn't really important in this case.

  No.2962

File: 1480996011328.png (4.32 KB, 200x150, halfassed power circuit.png)

you could use the pi to control its own relay or a really simple delay circuit or something if you're not dedicated to cramming an arduino in there somewhere

here's one that uses a fet and no arduino. software polls the shutdown pin, prepares for shutdown and then raises the run pin to cut power. requires a dpst switch because I cba to figure out the proper pull ups/downs.



File: 1480579300876.png (340.67 KB, 300x288, radio.png)

No.2915 [Reply]

Hello lainons
I have been interested in building a radio telescope.
I found lots of good sources on observing if you have one but no good sources to actually build one.
So if anyone here has information or is just generally interested in radio telescopes i would love to discuss and share resources.
2 replies omitted. Click reply to view.

  No.2920

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File: 1480609205257-1.png (2.04 MB, 200x200, beginnerbooklet.pdf)

>>2917
Depends on the size of the dish and the amount of interference around you.
With a dish sized as the one in the picture probably just the sun and regular objects like trees and stuff.
If you are interested skim through this pdf. It covers basics really well.

  No.2934

are u neil breen?



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No.2924 [Reply]

So I'm thinking up a couple different ways to make a cheap mobile home and want some advice. Whatever I pick I'd be putting in most of the modern comforts like a stove/oven, refrigerator/freezer, rv hookup, sink, small shower along with fresh and gray water tanks, plumbing, small water heater, portable toilet, propane, electrical, insulation, cheap hardwood flooring, a window ac unit, a desk with computer stuff, bed, storage, couch, etc. Looking for something on the larger side or long term comfort. Basically a inexpensive tiny home on wheels. I’d be doing all the work myself. Here's what I've come up with.

1) Buying a used school bus and converting it into an RV. They're built like tanks and will last a million miles if well maintained. Once you remove the seats and flooring you have a relatively empty layout to work with. They're cheap (~3k) and still get decent enough mileage. While they're very reliable, when I do run into a problem it's going to cost a small fortune. Even something as simple as having to replace a tire. If it breaks down I could loose my house temporarily while it's being fixed. Headroom is lower than some of the other options. Lots of floorspace.

2) Buying a used box truck/moving truck with around a 20 foot box. They're more expensive, but they'll last 300k miles if well maintained and aren't as expensive to fix. A 20'ish foot box gives you a nice, empty layout to work with and have more headroom than a school bus. The downside is that they're pretty expensive (~8-10k for something decent). If it breaks down I could loose my house temporarily while it's being fixed. More headroom than a bus but less floorspace. Reason for going with this over a bus is that ones under around 20 feet tend to use standard truck engines and drivetrains making them cheap to own. Once you get over 20 feet they start to be built around commercial grade trucks which are expensive to maintain.

3) Just buying a used RV. This would be the cheapest overall (~6k + another ~1-2k for renovations. Most of the work is already done, I’d save a lot of time and effort. The downside is that they're built cheap and not meant to be lived in full time and expensive to maintain. I’d also loose a lot of choice and wouldn’t be able to fully make it my own. Like anything else if it breaks down I could loose my house temporarily while it's being fixed.

4) Buying a used truck and trailer and building a 24 foot or so house on wheels. You can do whatever you want and can park it somewhere and use the truck to get around. If the truck breaks down you still have your house. Downside is the cost.

5) Buying a used shipping container and turning it into a house. It'd on the pricier end but super schway. They’re extremely durable , you can ship them almost anywhere, and you have a open layout to work with. Downside is they’re expensive to ship and you loose the ability to move whenever you want.

What do you think? Trying to keep this around 10-12k US. I'll add solar and a battery bank later.
31 replies omitted. Click reply to view.

  No.3007

File: 1481659066598.png (15.53 KB, 200x150, oilpantub.jpg)

>>3004
I cannot yet purchase a zero breeze, but when i can i will grab it and see if it is worth its salt.

As far as solar panels go, i bought 4 270watt panels off craigslist a few weeks ago and will be using them to get my 1000+ watt power requirement. I have a 600 watt 3 cubic foot microwave and a old toaster whose specs i do not know. The bucket is a 5 gallon paint and drywall bucket from home depot with the seal able locking lid, I use kitty litter to reduce odor and allow multiple uses before removal of a waste bag, wherein i will also store general trash items.

As far as the VR setup goes, I have the computer parts around, I just need to buy a good headset. I intend to setup the space inside so i can sit and use my VR headset to artificially expand my work space by moving my sleeping hammock up and out of the way into a corner or somewhere convenient.

I am using whiteboards to cover the bare insulation, because it provides light spreading properties and allows me to work physics and math problems on the walls and keep them there for a while as constantly changing interior decoration as well as reminders of the work i am doing and why.

for charge control I am using an mpt 80amp charge controller i bought used from a local place and a 2000 watt peak 4000 watt surge pure sine wave inverter from an old race car trailer in one of my neighbors yards.

A new idea i have picked up and credit lainchan especially for introducing me to, is ham radio setup in the van, so i can have internet access anywhere i roam. This is also part of what the extra electronics work space will be used for. antennae, transceivers and controllers ect.

As for bathing, the oil pan in pic related is what i acquired from a scrap yard. after some thorough cleaning i am willing to bath in it, and can sit down in it fully so as to contain any splashes of water when i am sponge bathing. It should also fit neatly under the counter i built.



Thats all the details i could think of, if i remember anything else or you want something specific. just ask. I am still in progress on the build, so it may be a while before i have any good photos or instructions. I am as new to all this as you guys.

  No.3008

File: 1481659245566.png (4.92 KB, 198x198, battery.jpg)

>>3007
Something i have not yet done, is find some good batteries at a decent price.

I want 650 - 850 Ah of capacity, preferably sealed and deep cycle AGM but if there are some affordable lithium out there, I would go with those too.

For the OP, some battery info would probably be super helpful when you start getting 'settled in' to your new home.



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No.2930 [Reply]

i come to you guys with a sort of strange question,
so it seems my soldering iron isn't fully heating up what what could be doing this

  No.2933

just checked the wiring, it has a broken wire that prevents the current from getting to the nichrome restistor. i could easily solder these 2 wires together.

>tfw when i need a soldering iron to fix my soldering iron

  No.2935

Just twist them together using another wire. Twisting, if done right, is as sturdy as solder joint.



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No.2939 [Reply]

Hello /diy/,

I need some help with an old router that I turned into a WiFi repeater with openwrt, I want to use it through Miracast with a Pi & OSMC but with its current settings the devices connected to each of the routers cannot communicate, and no matter what I tried I just couldn't make them see each other. I tried having both routers have the same private IPs but they still can't see themselves. Is this a limitation of the router or is it just a misconfiguration on my end? the only thing i've achieved is pinging the gateways of both routers but not the devices plugged into them.

  No.2970

You're probably doing something stupid like running NAT on both with multiple subnets.
>I tried having both routers have the same private IPs
Or something like that, that's pretty stupid.



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No.2947 [Reply]

_01: Watch and learn

I know absolutely nothing about assembling my own electronics, and next to nothing about the parts I'd need, but those seem like minor problems in the face of having to constantly compromise on buying or scrounging my own. Anything anyone else has made never seems to live up to specifications that I want or look for. This isn't a "how do I into electronics" or a "I'm such a cup of soykaf I wish I could be better", I'm gonna try to learn the basics myself and build up from there as independently as I can. Mostly I'm posting this so that I'll feel like randos on the web will hold me accountable if I end up doing jack-all with my newfound motivation. But if anyone was willing to share a design/build philosophy they stick to with their projects, it'd be nice to hear it. Whatever.

First project will be a digital wristwatch - nothing fancy or superhard I hope, but if it is, I intend to get my money's worth before throwing in the towel. I'm writing this at just past 1am. No idea what materials to use but ideas are floating around in my head and I think I have a rough idea of the basics. Since I'm starting essentially from scratch, I've got to research all kinds of soykaf. I'll update whenever with pics of this project as I go. Will also include my notes and thinking so anyone reading along can follow my rationale, or that's the idea. Plans are to turn this into a personal campaign of epic learning and win.

Needs:
- tell time (fuarrrking duh)
- wearable in rain
- adjustable wristband/clock
- somewhat sturdy shell

Optionals
- alarm?
- what else, it's a watch...

Materials:
- ripstop nylon for the strap
- plastic/rubber/stainless steel adjustment (probably rubber)
- cubieboard/rpi/arduino for clock functions
- battery (replaceable or chargeable?)
- led screen module/failing that, basic pinpoint lights
- soldering iron, probably (I've no idea how to solder, better learn soon)
- plastic/metal casing
- glass/transparent plastic cover if led module doesn't have one already
- whatever's needed to waterproof this soykaf

TL;DR I'm gonna snort a line of knowledge and kick today in the dick. Here goes.

Signed, Calicat /01
3 replies omitted. Click reply to view.

  No.2989

>>2984
Hmm, hadn't considered those factors. Will probably order a breadboard to see how the parts I've ordered will interact; if they play nice (or nice enough to function as a basic prototype) then I'll move on to optimization.

RE difficulty, everything always turns out to be harder than I initially think but instead of giving up this time, I'll power through.

Thanks for the advice!

  No.2991

>>2989
Yeah, breadboard first is a good idea - worthwhile just to get an idea of layout too. Some stripboard is good for semi-permanent prototypes/soldering practice too.

And as a minor thing, you could look at NATO straps - it's a nice standard for durable watch straps and plenty of variety.

Keep us updated!



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File: 1481319452244-1.png (403.57 KB, 300x244, homelab.png)

No.2986 [Reply]

Post the most impressive home laboratories that you have ever seen.

Also if you have your own home lab, post it as well.

None of the pic related are mine though, and I have seen even more stuff.

What is the difference between this and a battle station thread?
Well, these here are basically micro datacenters, that is the difference.
17 replies omitted. Click reply to view.

  No.3162

File: 1483929307612.png (276.01 KB, 200x134, HIU8HH4.png)

>>3119
yes and yes and yes. this is the kind of layout home users need. virtualize weird architectures or one-off boxes, pi the rest. the age of basements of iron is over.

and as for "my home datacenter" christ where to begin:
>vcenter server
>ESX
>openVMS
>elderly sun desktops
unless you pay licenses for all this garbage its a security and patching nightmare. its also made completely obsolete by the MAAS.

>switches at .005% utilisation

>powering up 200 empty ports
>old sun hardware == about as powerful as a pi these days.

this rack looks like a future episode of Hoarders.

  No.3169

vaguely related but I'm planning on visualising my home server. Mostly just for the sake of doing it as almost non of the benefits really apply to my setup.
Any of you gone down this road? any pit falls I should avoid?
current serv is CentOS7 if you were curious.



File: 1481891769107.png (209.09 KB, 300x225, ScrapBuild.jpg)

No.3032 [Reply]

Hello, lain anons.

Recently, I grabbed a tape drive from a data center that needed clearing out.
I decided I needed a server and wanted to set it up quickly.
I grabbed some crates and rigged the motherboard to it using zip ties and some rubber bands.

Please share any scrap builds you have made or seen on the internet!
7 replies omitted. Click reply to view.

  No.3056

>>3047
Looks good anon
I see yours is also rack mounted Present Day, Present Time! AHAHAHAHAHA!

  No.3070

File: 1482407371299-0.png (4.38 MB, 128x128, 1472744412962-0.jpg)

File: 1482407371299-1.png (3.82 MB, 128x128, 1472744412962-1.jpg)

File: 1482407371299-2.png (3.97 MB, 128x128, 1472744412962-2.jpg)

I made a wooden padlock from scrap materials (you might've already seen it in the woodworking thread)
These pics are a bit old, in them the only thing that's left is to sand and apply some oil, but I've already done that ( just didn't bother taking new pics)

I made it from a plank of hardwood I found in a dumpster, a flat popsicle stick, some wooden pins (the ones that are used for food) and a round peg of wood as the key - so it's really, really cheap material-wise (I think the only thing I bought was the glue)

you could use pretty much any wood (apart from pine and other needle wood that splits easily), though multiplex is probably the best option if you're going for functionality over looks. If anybody is interested I'll post the pattern, though I've changed some stuff while making the lock (so I'd need to update the pattern).

In the pics there's first the lock, then the lock with the back taken off and the key in and finally just the lock, open backed



File: 1481920930300.png (2.16 MB, 300x169, 20161216_152950.jpg)

No.3039 [Reply]

There are a couple threads, but they're not general.

Share your tears of a broken 3D printer here...
Here's mine, the heat break barrel is fuarrrked up because of the Teflon tubing failing and letting PLA leak out.
New part coming in tomorrow.
What 3D printers do you guys have, and how many tears have you shed?
2 replies omitted. Click reply to view.

  No.3049

>>3042
I find a 3D printer handy and a nice hobby, it also can be very profitable for 3D printing for other people. I have a lot of cosplayer's wanting me to make them props because they either don't have the time or want to make it stronger than foam core and styrofoam.

  No.3061

So my new heat break came in, the fuarrrker sent me one WITHOUT the PTFE tubing which I asked him to do so...

Everyday is a new challenge to resist the temptation of becoming a homicidal maniac...



File: 1482843413837.png (55.77 KB, 300x225, image.jpg)

No.3097 [Reply]

Hello lains,

I am interested as to why there is no 'real' cyberpunk clothing available...
Most of the stuff currently on the market is expensive designer clothing.
I think it would be very cyb for us to share some designs, do a groupbuy of sorts and get our clothing made in china or somewhere similar...

From what I know so far manufacturers will take designs and make patterns from them.
We can get those patterns at a premium and make them open to the public.

Please post and cyberpunk clothing you have made or designed or any ideas!

My idea of cyb clothing is functional but blends in with the public.
51 replies omitted. Click reply to view.

  No.3371

File: 1487089842118.png (52.18 KB, 200x113, brv.jpg)

>>3368
Clothing with retroreflective elements sound something like what you're looking for?

  No.3474

>>3111
just as a heads up, never buy from:
>Asian fashion brands
>online vendors that use black mannequins
they use all kinds of sneaky tricks like using pins to hold the clothes in ways that makes them look good. They often look horrendous in real life, especially on western frames



File: 1482886056287.png (14.68 MB, 200x200, build_an_edm_small.pdf)

No.3105 [Reply]

Hello,

Does anyone have experience with spark erosion / electric discharge erosion manufacturing?
I want to build a CNC 2D wet spark eroder for PCB manufacturing. Right now I'm stuck finding a good spark making setup.

What is a good voltage?
What is a good electrolyte?
What is a good method of regulating the spark (something with MOSFETs or so)?

  No.3110

I remember a DIY stick welding rig on instructables. I have it downloaded as pdf, but it's not on this machine. Basically you wire up two golf cart batteries in series to get 24v. clamp a jumper cable to whatever you're erroding. As for the electrolyte, depends on how much you are trying to remove. simply attach a wire to the other jumper cable, and it should work like a dremmel. You don't need the mosfet necessarily, or really any oscellation, but it makes it easier to control.

If you want an automated CNC machine, you could use a 3d printer maybe. Feed the wire through like plastic, attach the lead from the battery to the spool. The feed route would need to be insulated against heat and electricity, but it should work.



File: 1483420112249.png (155.65 KB, 300x116, 1.jpg)

No.3134 [Reply]

Anyone here play with 555 timer chips to make music? Kind of experimenting with this schematic now. What do you think?
19 replies omitted. Click reply to view.

  No.3203

>>3195
That's a classic. Really good projects as well as clear illustrations and explanations.

  No.3224




File: 1483747483117.png (71.5 KB, 300x214, pocket_galaxy_smartphone_running_debian_jessie_arm_RemoteDesktop_FileManager_terminal_gngbEmulator.png)

No.3146 [Reply]

Anybody here ever experimented with running Debian Arm on old smartphones with the help of apps like "lil' debi" ?
2 replies omitted. Click reply to view.

  No.3400

Took me a long time to come back here (= OP).

Lady 3jane, the screenshot also runs some random soykaf.

Void, this runs without removing android, it kind of side-loads and runs at the same time.

At least one interesting aspect about this, is the fact that the phone just appears to be running android... or could be made into a fun little server.

  No.3401

>>3400
here is Void.
Yes I know it didn't delete android, the problem was memory occupied by something I didn't use



File: 1483847502334.png (240.99 KB, 224x267, animated.gif)

No.3149 [Reply]

Cooking is DIY.

What resources do you use for non-soykaf recipes? Most highly ranked sites are just filled with tracking scripts, advertisements, and product placement, i.e. recipe calls for soykaf brand(TM) green beans.

I just want recipes, not this trash.
5 replies omitted. Click reply to view.

  No.3163

>>3161
WREKT!

But here's how it's done.
>>>/diy/125
Though, >>125 should work, too.


Sage because another /diy/ cooking thread already exists, which is pointed to above in this post.

  No.3166

As lainons have pointed out, this thread is duplicated by

https://lainchan.org/cult/res/5510.html
https://lainchan.org/diy/res/125.html

or
>>>/cult/5510
>>>/diy/125

Please use these threads instead.



File: 1484176039546.png (4.42 MB, 300x169, 20141206_232054.jpg)

No.3173 [Reply]

This is similar to one of the concerns over net neutrality. People are worried that, if they could, internet companies would make a budget version of the internet for a really good price and then once it has wide adoption, they slowly raise the price back up to what the full package was, while the price of the full package increases to the point that most people can't reasonable afford it. Meanwhile the websites in the basic package pay the cable company for the privileged of being included. It's really good for the cable company and absolutely terrible for everyone else since we are paying a similar price for a worse product and it stifles innovation by increasing the cost to even compete.



In the event/when this goes into effect , if I have a laptop (disposable) could i piggy back / get into public wifi hotspots anonymously or with out paying , using kali or spoofing a mac add?

Im older now and havent kept up with things. I just want to be safe if and or when we dont have a free internet.
7 replies omitted. Click reply to view.

  No.3213

BBSes would work well but how would we connect? 56k modems? We consume information in such quantity now that a totalitarian power would be happy if the underground went to modems.

I remember downloading Slackware isos over 56k, it literally took a fuarrrking week.

  No.3215

Moved to >>>/tech/33605.



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No.3185 [Reply]

Got my first blade server and i want to use it for something sweet. Any recommendations? Already working on a local Wikipedia backup that can be accessed over CJDNS.
2 replies omitted. Click reply to view.

  No.3236

run a tor delay or take a look here https://github.com/redecentralize/alternative-internet

  No.3237

what's the cjdns addr?
train a neural net to recognize hentai or something



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File: 1484839635247-1.png (5.5 MB, 128x128, 1484839622629.jpg)

No.3219 [Reply]

Quite a /cyb/ technology, I made a nice wall decoration with it a while ago. Real simple to use and cheap as fuarrk

  No.3220

That looks pretty damn cool, tho ive said that before



File: 1485752196376-0.png (3.36 MB, 300x225, IMG_20170121_132032.jpg)

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No.3242 [Reply]

More updates on that one van dwelling lain...

Looking for possible names, and tips and ideas on what to do next... Generally vehicle life and alternative living thread anyone?

I am a physicist, does anyone know what a physicist in a van should even do?
13 replies omitted. Click reply to view.

  No.3258

truck driver here
travel centers like loves or pilot or flying jjs gas stations has showers microwave and laundry rooms.

rest areas are good places to sleep and they have bathrooms open 24/7 and BBQ grills and tables outside.

  No.3259

File: 1485943633544.png (546.06 KB, 144x200, 34-3343f03731.jpg)

>>3253
Here's some ideas from The Zeek on custom travelling gear.
The whole book is here:
https://www.scribd.com/doc/41224974/The-Art-of-Shen-Ku-The-Ultimate-Traveler-s-Guide



File: 1486304822362-0.png (376.05 KB, 300x225, Banner.png)

File: 1486304822363-1.png (814.36 KB, 200x200, Cards.pdf)

File: 1486304822363-2.png (142.88 KB, 200x200, Naval Operations Manual Internet.pdf)

No.3283 [Reply]

I just wrote my own table top game!

It revolves around 20 sided dice, ship miniatures and large open playing areas. The manual and playing cards are attached, all you need to bring in order to play are 5 different types of icons to represent the following per team:

1 Carrier
8 Cruisers
8 Destroyers
8 Frigates
8 Wings of fighters
8 Health Icons for Wings
8 Anti-Air Ammo Icons for Wings
8 Anti-Ship Ammo Icons for Wings

These could be coins, pieces of paper, or in my case 3D printed warship models about 8cm long. I will post images of them shortly.

I wrote the rules and created the cards in about two days with the goal of achieving a simple, easy to learn game with strategic depth and reliance on manoeuvre over chance. I hope one of you Lainons can play test for me and tell me how it went. I'm yet to play this but, if all the printing goes well, I'll have completed a game in the next 2 days which I'll report on here.

This is the only place I have uploaded the PDFs. I put a lot of work into this and I'm happy to give it out for free, so in the unlikely event you see this posted outside of Lainchan, leave a reply with a link or screenshot.
5 replies omitted. Click reply to view.

  No.3304

>>3303
I'm not too rabid about libre software but generally yes. However society basically forces us to use Word formatted documents anyways so we don't really have a choice.

  No.3329

>>3303
It was literally just on my PC so I used it. It's an obsolete version anyway, but most importantly I'm very familiar with it because I had to work on all my school and uni projects with it. As such it'd just be a waste of time and energy switching over to Libreoffice (which I do use on my Mint laptop) just for this project. All it would accomplish is slowing me down.

Anyway, I just finished a game. It was good but there are a few changes I will make to the second edition:

Firstly, aircraft should NOT trigger an attack of opportunity when they enter a ship's AA range.

Secondly, 1500 starting currency is only enough for a handful of ships and wings. It should be more like 2500.

Thirdly, ships should have their speed adjusted to 15CM, down from 30CM.

Fourth, cruisers are OP and need to be nerfed but buffed in a different way to counter it. Anti-ship range should be reduce to 60CM from 90CM. Anti-missile dice should be changed to 4D20 down from 5D20. Anti-aircraft should be upped to 2D20 from 1D20.

I'll try a second game played like this and see how it goes. Will keep you posted.

>>3298

I'm really interested to hear how it goes, make sure to post here about your experience.



File: 1486672736302-0.png (56.33 KB, 300x225, charger.jpg)

File: 1486672736302-1.png (38.89 KB, 300x263, battery.jpg)

No.3327 [Reply]

Hello, I have nokia n900 with broken micro USB port.
I want to do something like pic related myself.
Any protips? Cutting of normal USB ←→ micro USB cable and connecting it to some conductor would work?
How to make case if I don't have 3D printer?
1 replies omitted. Click reply to view.

  No.3335

Sorry, what's the "do something"? A battery and a charger? You can replace the battery with whatever you want usually, it'll be +, -, and a temp sensor connector which you can usually leave off or short with a resistor. Some modern ones use digital temp sensors or have some sort of 1-Wire interface to the battery which makes it harder to reuse.

Keep an eye on the voltage too, most of them use 1S LiPo cells so take 3.7V - you can use a buck regulator to go down from whatever you want.

  No.3352

>>3335
thanks a lot for this answer



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No.3336 [Reply]

Been growing some psylociben mushrooms indoors but I'd love some tips for small outdoor grows as we get into spring. Also permaculture
19 replies omitted. Click reply to view.

  No.3509

>>3473
Those look like BRF cakes, how often did you spray them? Mine seem to be growinvery slowly and I'm wondering if that's why

  No.3510

>>3496
I've met one woman who has spontaneous orgasms while on shrooms, like just sitting there and experiencing the trip and not even playing with herself. Meanwhile most men can't keep it up while tripping and if they can get that far, they don't cum.



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No.3351 [Reply]

https://www.youtube.com/watch?v=K-96dX8ltO8

What do you think about such mics, does anyone of you Lain ma this?
1 replies omitted. Click reply to view.

  No.3380

I had goggles that had a low-pass filter filtering out anything above near-infrared. Glass tended to be reasonably reflective. There were some reflective window treatments that didn't reflect IR, but the glass underneath still seemed to do what glass does.

In short, at least for the near infrared expect to treat it like glass.

  No.3382

They're OK, but they require you to be at near-zero angle of incidence. Otherwise fairly simple.



File: 1487051265251.png (20.3 KB, 300x300, 333-333-333.jpg)

No.3360 [Reply]

I'm interested in building analog computers. Are there any webpages that are devoted to this? Has anyone here ever done it themselves? My main motivation is to see if I can build one that vaguely resembles a personal computer. This is all mainly out of curiosity.
9 replies omitted. Click reply to view.

  No.3373

File: 1487107218516.png (1.74 MB, 200x200, LT1461.pdf)

>>3372
Nope, got them ages ago for a calibration source but the SMD packages scared me away at the time! I've got a DSP project on the list though, so it'd be nice to use them for the reference.
Yeah, if it's a technical application I think their datasheets alone make it worth the price; just about every bit of information you could want in there, tests, useful application notes that appear to have actually been written by an engineer etc.

  No.3491

Complete new guy here still lurking moar, but these might interest you.
https://www.youtube.com/watch?v=e8DavnWmr1E
https://www.youtube.com/watch?v=-ReqdyCxZ9I



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No.3378 [Reply]

I've recently purchased a sts-5 gm tube in the hope of making a Geiger counter.
The only problem is that I've got very little electronics knowledge and i need to convert 5vDC to 360VDC-440vDC.
Has anyone here built their own Geiger counter and if so what advice would you offer?


File: 1487244118180.png (1.28 MB, 300x169, 9ecxmRW.png)

No.3381 [Reply]

Hi, Lainons.

I'm currently working on a project and I need your opinion.
I want to create a parallel computer with old PC and broken PC parts.
I know a lot about electronics, but I don't know enough about informatics.

I guess like these are all computer with different OS, I need to have them all on the same OS.
But I'm not sure what to do.
So I thought it was better that I create a new OS that can withstand all their differences, like a multi OS.
Is there an OS in the Linux branches that can rotate together different OS?

Or is it better that I create a new one?
Moreover, does anyone know about or where i can find electronic documentation on parallel computing?
Thanks you.
1 replies omitted. Click reply to view.

  No.3391

>>3381
look up beowulf cluster if you haven't already

  No.3392

>>3391
Beowulf is symmetric-only, no?

OP, if I were you I would decide on what exactly you want to do with this cluster. Clusters are useless for personal computing, and most algorithms will not see significant speedup either.



File: 1488098190696.png (391.37 KB, 226x300, tachyon.jpg)

No.3429 [Reply]

Does anyone have any tips or tricks for making awesome analog glitch art? Got any schematics to share? What are some good types of devices to data bend?
5 replies omitted. Click reply to view.

  No.3437

>>3436

Capacitors are the components that you want to avoid. Like you said, there is a method to discharge them so that you can work safely. It's the same with guitar amps or any other electronics with caps in them. I don't believe that capacitors build up their own charge over time while unplugged...that sounds pretty mythical to me. Contrary to the laws of physics? Theoretically they should lose their charge gradually over time, but the only way to be sure is to discharge them yourself.

  No.3443

File: 1488519079602.png (646.42 KB, 200x160, hello.webm)

i dont glitch my own hw but make stuff sometimes

>>3429
here you go OP, from muffwiggler
https://drive.google.com/drive/u/2/folders/0B_gD4TorwvAdN2dGNzdvUENETVk?sort=13&direction=a

>>3433
karl klomp's site is still down, i messaged him about it but no response yet, archive exists and you can find his vids on vimeo
https://web.archive.org/web/20161029055422/http://www.karlklomp.nl/

>What are some good types of devices to data bend?

analog video mixers, the gold standard is the edirol v4 but it's expensive, other alternatives are videonics or some panasonics. you can also look at old "video effects mixers" there's one i've seen that let you paint with a stylus lol. and ofc classic consoles are a well documented option

>any tips or tricks

either get a time base corrector or a good crt and set up a camcorder directly facing it, otherwise you won't be able to capture most stuff accurately



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No.3459 [Reply]

I currently have 4 stickers, but i really like the new flower one(zzz). If anyone has more art like this PLEASE post it. Also share your stickers ^^

  No.3462

>>3459
>>3459 (OP)
This thread has been locked for being a duplicate.

Please use the existing threads.

https://lainchan.org/tech/res/33788.html#33788
or
>>>/tech/33788

https://lainchan.org/q/res/12974.html#12974
or
>>>/q/12974 .



File: 1490156573679.png (96.92 KB, 300x275, robot-assistant1.jpg)

No.3487 [Reply]

So, I've been trying to find some new project to do in my spare time. And I got really excited with the idea of a little humanoid kind of robot, that could also help me as an assistant for everyday jobs. I want it to be connected to my computer and my room.

Why humanoid? It's more of an esthetic choice. No real purpose there. Besides, I find bipedism way more exciting than good ol' wheels.

The problem is, I'm not that well trained in electronics. I've been thinking to use an arduino for the mechanical controls for the robot, and a Raspberry Pi for the assisting functions. As for my room, I also thought of a Raspberry. Mainly because I'm familiar with it, there are libraries for functions like image recognition and I like python very much.

But it would be a nuisance if I try to do a robot without knowing some basic electronic stuff, I suppose. What do you suggest? Do I start with more simple robotics? Or maybe I will learn in the way? What books or information can I read?
1 replies omitted. Click reply to view.

  No.3505

You'll need a solid, instinctive understanding of mathematics, programming and electronics for this. It's never bad to start out with something but I have to be honest with you. If you have to ask how to do it, when it comes to A.I. etc. You're not ready now nor next year. This is going to take a decade of blood sweat and tears at least. Anyone claiming otherwise is either a ego tripping genius, alien or mentally retarded. If you do however really want this, may I suggest the subreddit for building robots and A.I.; they have this wonderful course/mooc that really helps out with the basics.

  No.3506

>>3505

I'd like to respond to this comment by giving OP a few starting points, you know how the guy who made the replicants in blade runner, he had all those fuarrrked up 'friends' at home.

That's what you need to make man you need to start as small as possible, simple bipedal robots, and then as time goes on get a little bit more complicated. I'd absolutely suggest you get started with an arduino or maybe a rasbery pi.



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No.3502 [Reply]

I'll make bracelets out of pixel art images lainons post ITT,
I'm learning the technique on this OP's pics.
Resolution is aproximately 16x40 or less (template pic related) but exceptions can be made if you think larger is worth it.
Difficulty grows kinda exponentially with the quantity of colors, so keep that in mind.
I'll also be selling some of them, so interesting designs are welcome.

Apologetic line: this thread is also for related talk about macrame and such.
6 replies omitted. Click reply to view.

  No.3517

File: 1490786275080.png (3.72 MB, 200x113, DSC_0250.jpg)

>>3511
Here it is. I started with the Space Invaders one because it was a lot easier than the other one. Still made a couple mistakes and my technique is rough (I think you can see how it gets better as it progresses from left to right) but it was fun and good practice. Thanks!

I'll make more if good designs float into this thread.

  No.3518

File: 1490793222569.png (1.45 KB, 200x81, 1490546305023-2.png)

>>3517
Turned out nice. What about pcb-styled pattern? Like pic related, although I'm not an artist.

Other ideas: aztec ornament patterns, greek ornamental patterns and maybe kittens.



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No.398 [Reply]

Hello lains. I really liked the idea of the Weekly Project and started to think about the possibilities.

The people on the IRC agree that we probably have lots of capable people here (specially with technology) and that it would be nice to have a small poll (or something like that) so we can gather some information about peoples capabilities and desires in order to be able to better organize common projects. So, some questions:

1) Do you think this is interesting?
2) Do you know a practical way of gathering this information?

It could maybe result in some nice art projects, information websites, a lain-community github account, a lain wiki, etc…!
61 replies omitted. Click reply to view.

  No.3036

Isn't this what the Wired Learning Group and #wired-students in IRC is for?

Personally, I'd like to see things to increase in technical difficulty as the layers progress. I like that we're starting with functional programming, and I'd hope to see things move in the direction of AI / machine learning stuff.

I think it'd only be natural to have a layers on security, encryption, etc. but I'm not sure how this would flow from functional programming as a starting point. I'm also not sure who's leading the Wired Learning Group, but I'd like to see more input from the organizers there in leading this discussion.

  No.3038

>>1852
please elaborate on the salad



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No.535 [Reply]

anyone building their own instrument or other music-related hacks?
59 replies omitted. Click reply to view.

  No.3539

File: 1491256732395-0.png (1.81 MB, 113x200, aesthetics.jpg)

File: 1491256732395-1.png (1.84 MB, 200x113, soon.jpg)

>>3538
Next I'll need to modify the pickguard to fit an import body, do some neck work because the second fret got damaged in transit, and replace the tremolo with a US made one.

  No.3540

File: 1491257394288.png (1.81 MB, 113x200, better.jpg)

>>3539
Figured the stickers looked better on my junker.



File: 1492938759273.png (71.19 KB, 300x225, kurb3.jpg)

No.54 [Reply]

So I want to move, but not rent anymore. Can we have another van build thread please? I need a few things for myself.

1. Solar power and backup power source.
2. Sleeping Space
3. Mobility

Im new to this but I am really excited and would like some of the old info graphs from the last thread on this.


File: 1492949479559.png (270.24 KB, 300x213, teitokick.jpg)

No.58 [Reply]

I think one could make a good internet kiosk with i3wm... as in one could lock it up to a browser pretty nicely. I haven't done this myself so I will just generalise the steps...

1) Install i3wm, preferably on a distro with su.
1.5) Of course set it to autologin into the i3wm session.
2) Customize the config to launch your preferred browser on startup
3) Comment out all keybindings of the i3wm config that are not needed. The only keybindings I would keep are the fullscreen toggles and dmenu.
4) I would remove everything except gksu and the browser out of /usr/bin into sbin. So that even if a user discovers the keybinding for dmenu, only authorised users can reach programs other than the browser. Optionally for ease of administration a keybinding could be made that would launch a terminal via gksu.
5) Make a keybinding for shutting down the pc.
6) Once we are done with making the config, just for extra measure we change the permissions on the config so that only root can edit the i3wm config.

And I think that's pretty much it if all that you want is a locked down browser only internet kiosk. Optionally if you want the user to be able to use some other programs as well, then you just leave those programs in /usr/bin, perhaps make keybindings for them as well. And then you put those keybindings on a piece of paper.

  No.60

Apparently the guys at suckless already did something similar:
http://surf.suckless.org/files/kiosk_mode
I personally as you can see would not do the exact same thing. But both approaches are fine, depending on your wants/needs.



File: 1433877274384.png (409.69 KB, 300x213, cyb.jpg)

No.726 [Reply]

Lains.

Over the last few years I've saved a number of interesting projects from across the web. Some I've found interesting, some I plan on eventually doing.

I'll try to share about one a day or so. Contribute if you want or don't.
34 replies omitted. Click reply to view.

  No.3467

>>2259
Install Tails or gentooliveusb for that stuff.
normal person

  No.3475




File: 1434106431118.png (34.64 KB, 300x149, commodore64.jpg)

No.732 [Reply]

I'm thinking about building a mechanical keyboard; seeing as the nice ones are fairly expensive to buy I figure I might as well go the whole hog and make a project out of it.

Has anyone any experience with a project like this and advice on where I should start?
56 replies omitted. Click reply to view.

  No.3094

File: 1482745810002.png (917.04 KB, 200x157, og nds.png)

Not 100% a keyboard, but I do have an idea I've been sitting on for a while. I bought myself a for-parts original Nintendo DS because it has some of the most satisfying, clicky buttons of any console/handheld ever. What I'd like to do is gut the lower half except for the buttons, and install a 4x3 or 4x4 grid of mechanical keys where the lower center screen is, then hook it all up to a teensy and use it as a macro board/gamepad/whatever else. Maybe install a sliding joystick from a PSP as well. Still need to do a lot of planning, but eventually I hope I can make something I get daily use out of from this.

  No.3217

File: 1484731424247.png (19.02 KB, 200x200, KeyProfile.gif)

>>2699
The profile wouldn't match, you need to make sure you either have a uniform profile like DSA or non sculpted SA or you get a specific keycap set, but those are usually pretty expensive.



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No.742 [Reply]

>Cyberpunk based website
>No electronics thread

Shame on you, opening an Electronics General, feel free to share your projects, what you've been working on, etc.
Let's get this board going.
145 replies omitted. Click reply to view.

  No.3545

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Quick update to my SDVX controller- think I've nailed everything down. Added some finishing decals and need to go over the BOM and verify one last time.

  No.3549

I'm working on an Atari Punk Console rn, anyone else done one before? They're supposed to be pretty easy and it's been fun so far.



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File: 1437487941274-2.png (1.06 MB, 200x200, Manitou%203%20Manual.pdf)

No.891 [Reply]

I received an Answer Manitou 3 elastomer suspension fork from a swap meet for free. The PO decided to stuff wine corks inside it as a "fix". After 3 days of fuarrrking with it I successfully modified it to use coils and motorcycle shock oil for dampening.
61 replies omitted. Click reply to view.

  No.2968

What are some good bike brands? I want to buy a decent bike thats not soykaf and wont break. Supposedly Japanese ones are very good?

  No.2998

>>2968
Like Fuji or Suigino? That's probably true.

What is available in near you? Honestly, if you go to a good bike shop and spend $450 I think all the models around that cost are about the same. The frame will be the difference between similar models, they will all use the same shimano groupset. And it will be a decent bike.

If you want to get a good deal used, I guess I would read bike forums for a bit so you have a better idea of what to look for.