Archived threads in /g/ - Technology - 8845. page

Anonymous
Metrology 2016-06-16 03:26:23 Post No.55101306
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Metrology Anonymous 2016-06-16 03:26:23 Post No. 55101306 [Report] [View this topic]

Is anyone on this board well versed or semi knowledgeable in Metrology?

I have access to multiple FARO Arms at work, but they don't quite fill the need I have. Don't get me wrong, they're great and all but they certainly have their limits. Mostly talking about their physical reach.

I need to take measurements on a fairly large object, test said object, then measure the same points to find the deformation of various parts of the object. The FARO Arms work okay, but are very limited in this aspect and applicable to a few sections of the object, not every section needed. Due to this, I have to use plumb bobs, tape measures, and a laser level to take most of these measurements. Fairly archaic for the 21st century.

My question is, does anyone know of a CMM that can measure across large areas, 5 meters or so? I saw FARO has a system that uses optics, but it requires LoS, which won't work much better. In my researching, I found the DIY Drone community has come up with an Indoor Positioning System that looks like it could be modified to work. Basically set one fixed reference, then measure how far the points moved, up to 5m away.

>tl;dr Radio Based CMM

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Anonymous 2016-06-16 03:48:52 Post No.55101506
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Anonymous 2016-06-16 03:48:52 Post No.55101506 [Report]

Basically looking for a GPS like system, except much more accurate, which I would assume is possible since it only needs to cover a SIGNIFICANTLY smaller area than GPS. Also willing to look into making my own system, but would like to see if another solution already exists. Google has nothing so far.

Basically thinking of something with 3 or more "towers" that send a signal to a receiver, which then uses the signals to triangulate a position, ideally with in a few millimeters. LoS not required, only being inside the coverage area of the towers. Seems like it should be do able, right?

Anonymous 2016-06-16 04:18:00 Post No.55101831
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Anonymous 2016-06-16 04:18:00 Post No.55101831 [Report]

Nice to see something /eng/ that isnt gpu, phone, or consumer electronicctap. What kind of accuracy are you looking for? If cm accuracy is ok and the part isnt metal, you could try magnetic field 6dof tracking systems. I use one at work made by polhemus.

Anonymous 2016-06-16 04:25:11 Post No.55101913
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Anonymous 2016-06-16 04:25:11 Post No.55101913 [Report]

>>55101831
I would prefer millimeter accuracy, but a cm might be okay. I mean, the system I use now is extremely archaic. Like I said, tape measures and laser levels.

Unfortunately the parts are a mix of materials, metal or plastic, but metal will always be present. Most of the metal measurements are capable with the FARO arm, the plastic ones not. One system to do both would be awesome, but I think two systems separate systems that provide an increase in precision and duplicity would be plenty good enough and provide an increase in speed enough to warrant the added system.

Anonymous
ZENFONE 2 2016-06-16 03:24:45 Post No.55101287
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ZENFONE 2 Anonymous 2016-06-16 03:24:45 Post No. 55101287 [Report] [View this topic]

I have a zenfone 2 that glitches on the bottom half. the weird thing is it only glitches in certain apps. see attached. thanks,

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Anonymous 2016-06-16 03:27:18 Post No.55101314
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Anonymous 2016-06-16 03:27:18 Post No.55101314 [Report]

Should've bought a flagship product.

Anonymous 2016-06-16 03:27:41 Post No.55101318
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Anonymous 2016-06-16 03:27:41 Post No.55101318 [Report]

>>55101287
This is what happens when you don't have a case.

It's dying OP, give it a viking funeral, you dumb motherfucker.

Anonymous 2016-06-16 03:27:42 Post No.55101320
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Anonymous 2016-06-16 03:27:42 Post No.55101320 [Report]

>>55101287
>thanks
no problem

Anonymous
2016-06-16 03:18:05 Post No.55101212
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Anonymous 2016-06-16 03:18:05 Post No. 55101212 [Report] [View this topic]

>built a gaming PC
>95% of the time I'm using Firefox for browsing the internet, watching movies and listening to music through Emby, word processing and a bunch of other stuff through the browser

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Anonymous 2016-06-16 03:19:46 Post No.55101225
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Anonymous 2016-06-16 03:19:46 Post No.55101225 [Report]

>>55101212
>Firefox
cuck

Anonymous 2016-06-16 03:20:46 Post No.55101239
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Anonymous 2016-06-16 03:20:46 Post No.55101239 [Report]

>>55101212
>firefox
You're just asking for it

Anonymous 2016-06-16 03:21:49 Post No.55101254
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Anonymous 2016-06-16 03:21:49 Post No.55101254 [Report]

>>55101212
>posting a static webm
You know, don't you? :^)

Anonymous
2016-06-16 03:02:26 Post No.55101024
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Anonymous 2016-06-16 03:02:26 Post No. 55101024 [Report] [View this topic]

Reason to always watch YouTube videos embedded

>fullscreen windowed view
>no video ads
>no comments section
>no like/dislike/rate/comment/subscribe bullshit

Why are you still using the video pages like the botnet wants you to?

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Anonymous 2016-06-16 03:04:16 Post No.55101044
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Anonymous 2016-06-16 03:04:16 Post No.55101044 [Report]

We aren't you streaming Youtube videos through your media player of choice?

Anonymous 2016-06-16 03:04:25 Post No.55101049
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Anonymous 2016-06-16 03:04:25 Post No.55101049 [Report]

Yt+

Anonymous 2016-06-16 03:06:24 Post No.55101073
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Anonymous 2016-06-16 03:06:24 Post No.55101073 [Report]

>>55101044
My media player doesn't fit in a browser tab

Anonymous
2016-06-16 03:02:18 Post No.55101022
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Anonymous 2016-06-16 03:02:18 Post No. 55101022 [Report] [View this topic]

>accidentally chromecasted porn to my family tv and not my bedroom tv

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Anonymous 2016-06-16 03:03:40 Post No.55101038
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Anonymous 2016-06-16 03:03:40 Post No.55101038 [Report]

>>55101022
f*cking epic xD

Anonymous 2016-06-16 03:03:48 Post No.55101041
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>>55101022

Anonymous 2016-06-16 03:04:50 Post No.55101056
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Anonymous 2016-06-16 03:04:50 Post No.55101056 [Report]

You're done. Goodbye.

Anonymous
Extreme cooling ideas 2016-06-16 02:53:39 Post No.55100920
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Extreme cooling ideas Anonymous 2016-06-16 02:53:39 Post No. 55100920 [Report] [View this topic]

So I thinking about getting back in the game and working on a new dream PC and this really going at it for maximum OC and parts. But before I drop like $4k on components I wanted to kinda catch up on the tech since I'm not really knowlegeble about desktop hardware vs software these days.

I did water cooling in the past and I didn't have any issue with it. Even still I was running a EVGA gtx 480 and I still ran into thermal bottlenecks. It probably didn't help that I had it on the same loop for the GPU as well.

I saw a case that has built in phase change cooling but it was pretty expensive at aprox. $280. It also doesn't have a sink for video cards either. Does anyone here do bellow ambient temp cooling and if so any ideas to chill a video card loop? I was thinking about a seperate phase change unit to chill coolant dedicated just for the GPU which aside from that would just be another run of the mill water cooling loop.

Here's the case I'm looking at.
>http://www.ldcooling.com/shop/l/85-ld-pc-v10-phase-change.html

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Anonymous 2016-06-16 02:55:55 Post No.55100955
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Anonymous 2016-06-16 02:55:55 Post No.55100955 [Report]

>>55100920
>Extreme cooling ideas
liquid nitrogen is used in overclocking competitions

Anonymous 2016-06-16 02:59:15 Post No.55100988
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Anonymous 2016-06-16 02:59:15 Post No.55100988 [Report]

>>55100920
why? are you a child or a manchild?

Anonymous 2016-06-16 03:00:17 Post No.55101001
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Anonymous 2016-06-16 03:00:17 Post No.55101001 [Report]

>>55100988

Why do you care fag?

OP
look what I found 2016-06-16 02:50:06 Post No.55100879
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look what I found OP 2016-06-16 02:50:06 Post No. 55100879 [Report] [View this topic]

I want /g/ to try out Hannah Montana Linux in a VM and tell me about it.

http://hannahmontana.sourceforge.net/Site/Home.html

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Anonymous 2016-06-16 04:16:15 Post No.55101812
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>>55100879
its pretty bad

Anonymous 2016-06-16 04:17:52 Post No.55101829
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>>55101812
I wanna die

Anonymous 2016-06-16 04:21:35 Post No.55101875
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>>55101812
>>55101829
I'm not joking I want to die

Anonymous
2016-06-16 02:50:02 Post No.55100877
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Anonymous 2016-06-16 02:50:02 Post No. 55100877 [Report] [View this topic]

so meme or...?

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Anonymous 2016-06-16 02:51:40 Post No.55100899
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Anonymous 2016-06-16 02:51:40 Post No.55100899 [Report]

>>55100877
just got a time steel and it's great for the first day of use. Really helpful when driving to see who texted you. Fun watch faces etc. It's not essential tech but it's fun to have.

Anonymous 2016-06-16 02:52:12 Post No.55100901
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Anonymous 2016-06-16 02:52:12 Post No.55100901 [Report]

>>55100877
Useful if you can code C otherwise meme

Anonymous 2016-06-16 02:58:27 Post No.55100983
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Anonymous 2016-06-16 02:58:27 Post No.55100983 [Report]

>>55100901
is it good if I want to get more into C coding?

Anonymous
2016-06-16 02:48:44 Post No.55100855
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Anonymous 2016-06-16 02:48:44 Post No. 55100855 [Report] [View this topic]

I got an old imac g3 in really good shape for free, it still works. What should I do with it?

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Anonymous 2016-06-16 02:49:06 Post No.55100859
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Anonymous 2016-06-16 02:49:06 Post No.55100859 [Report]

>>55100855
Use it for old OS9 stuff and PPC OS X stuff.

Anonymous 2016-06-16 03:00:27 Post No.55101002
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Anonymous 2016-06-16 03:00:27 Post No.55101002 [Report]

Dual boot Mac OS X Tiger and OpenBSD
Set up Classic in Tiger
Install Tigerbrew

Anonymous 2016-06-16 03:20:36 Post No.55101237
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Anonymous 2016-06-16 03:20:36 Post No.55101237 [Report]

>>55100855
Sell it and get a thinkpad

Anonymous
/dpt/ daily programming thread 2016-06-16 02:47:59 Post No.55100846
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/dpt/ daily programming thread Anonymous 2016-06-16 02:47:59 Post No. 55100846 [Report] [View this topic]

Fuck weaboos
Previous -
>>55092415

What are you working on, /g/?

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Anonymous 2016-06-16 02:49:07 Post No.55100860
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Anonymous 2016-06-16 02:49:07 Post No.55100860 [Report]

C

Anonymous 2016-06-16 02:49:16 Post No.55100864
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Anonymous 2016-06-16 02:49:16 Post No.55100864 [Report]

why was last thread deleted

Anonymous 2016-06-16 02:49:29 Post No.55100867
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What's the best programming language and why is it Excel Formulas?

Anonymous
2016-06-16 02:41:53 Post No.55100779
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Anonymous 2016-06-16 02:41:53 Post No. 55100779 [Report] [View this topic]

I'm looking to set up some really loud sound output at about 25-30 kHz. What is the highest dB I can get at that frequency, and what equipment would I need?

Can I reach something like 120 dB?

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Anonymous 2016-06-16 02:47:39 Post No.55100843
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Anonymous 2016-06-16 02:47:39 Post No.55100843 [Report]

>>55100779
Check out the construction of air raid sirens.
Sky's the limit.

Anonymous 2016-06-16 02:50:10 Post No.55100880
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Anonymous 2016-06-16 02:50:10 Post No.55100880 [Report]

>>55100843
Those are fairly low frequency. I'm thinking of something that's almost beyond human hearing range.

Anonymous 2016-06-16 02:50:38 Post No.55100884
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Anonymous 2016-06-16 02:50:38 Post No.55100884 [Report]

>>55100779
Why?
do you want to destroy dog hearing?

Anonymous
2016-06-16 02:31:39 Post No.55100642
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Anonymous 2016-06-16 02:31:39 Post No. 55100642 [Report] [View this topic]

>tfw mixed up if and of when running dd
fml right?

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Anonymous 2016-06-16 02:32:57 Post No.55100658
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Anonymous 2016-06-16 02:32:57 Post No.55100658 [Report]

>>55100642
Fuck off familia

Anonymous 2016-06-16 02:33:12 Post No.55100664
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Anonymous 2016-06-16 02:33:12 Post No.55100664 [Report]

I guess you're just retarded.

Anonymous 2016-06-16 02:33:56 Post No.55100676
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Anonymous 2016-06-16 02:33:56 Post No.55100676 [Report]

>>55100642
how? like how tho?

Anonymous
A fully libre ARM board? 2016-06-16 02:18:24 Post No.55100463
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A fully libre ARM board? Anonymous 2016-06-16 02:18:24 Post No. 55100463 [Report] [View this topic]

So, someone has been working on an open source firmware for the Raspberry Pi board (https://github.com/christinaa/rpi-open-firmware), which would make it the first ARM board without any proprietary blobs (since the GPU driver is already open source).

What do you think /g/?

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Anonymous 2016-06-16 03:50:33 Post No.55101518
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Anonymous 2016-06-16 03:50:33 Post No.55101518 [Report]

install gentoo.

Anonymous 2016-06-16 03:52:08 Post No.55101542
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Anonymous 2016-06-16 03:52:08 Post No.55101542 [Report]

I think that it is very very good.
If things go well, We could see over clocked Pi's as a replacement for the librebooted thinkpad.

Anonymous 2016-06-16 05:09:31 Post No.55102364
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Anonymous 2016-06-16 05:09:31 Post No.55102364 [Report]

>>55100463
Woa, cool.

Now if we can just get an RPi with a high speed interface for mass storage (SATA or something) and no bullshit lame lcd and camera connectors then I'd buy several.