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December 17, 2013
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Image by pyrohmstr Image by pyrohmstr
My Five Raspberry Pi Cluster in custom laser-cut acrylic rack :dummy:
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:iconkmnfive:
kmnfive Featured By Owner Nov 24, 2014
what do you do with it 
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:iconpyrohmstr:
pyrohmstr Featured By Owner Nov 24, 2014  Professional Artist
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:iconkmnfive:
kmnfive Featured By Owner Nov 24, 2014
haha i thought it looked familiar 
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:iconpyrohmstr:
pyrohmstr Featured By Owner Nov 24, 2014  Professional Artist
:meow:
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:iconsteelsoldat:
Steelsoldat Featured By Owner Jun 20, 2014  Student Artist
Seen this a few times, but it's still awesome...
any way we can see a timelapse or something? xD
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jun 21, 2014  Professional Artist
I'm not really sure what there would be to time-lapse :meow: I'll have some other laser cutter projects up in my gallery later today though
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:iconsteelsoldat:
Steelsoldat Featured By Owner Jun 21, 2014  Student Artist
the microscopes lol
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jun 21, 2014  Professional Artist
I have some timelapse stuff but they're in the form of thousands of images right now. I haven't put them together. This is an early video though: www.youtube.com/watch?v=CXofIA…

I'm also currently taking a timelapse of basil growing using this system, but I haven't checked on it in a while... I should make sure the thing is still running :stare: it's been weeks
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:iconsteelsoldat:
Steelsoldat Featured By Owner Jun 24, 2014  Student Artist
that emoticon xD
keep me posted if theres anything interesting, I'm certainly interested
p.s. what OS are your pis running?
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jun 24, 2014  Professional Artist
They're just running the default raspbian nonsense.

:stare: sums up all of my feelings about Linux
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:iconsteelsoldat:
Steelsoldat Featured By Owner Jun 24, 2014  Student Artist
waaaaaaaaaaaaaaaat
you should try default debian, no guis :3
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jun 24, 2014  Professional Artist
they aren't running a GUI
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(1 Reply)
:iconsteelsoldat:
Steelsoldat Featured By Owner Jun 21, 2014  Student Artist
what is the interval of images?
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jun 21, 2014  Professional Artist
The worm is 30fps video.
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:iconsteelsoldat:
Steelsoldat Featured By Owner Jun 21, 2014  Student Artist
how long between each shot?
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jun 21, 2014  Professional Artist
For the worm? 1/30th of a second.
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:iconkmnfive:
kmnfive Featured By Owner Apr 7, 2014
what do you do with this? hadoop? beowulf? 
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:iconpyrohmstr:
pyrohmstr Featured By Owner Apr 7, 2014  Professional Artist
They each control and record from one camera sta.sh/0113lp7gjepp (old picture but gives the idea). They're totally independent, we just connect to them via SSH.
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:iconlizdev:
lizdev Featured By Owner Feb 6, 2014
Nice rack.
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:iconpyrohmstr:
pyrohmstr Featured By Owner Feb 6, 2014  Professional Artist
:eyes:
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:iconlvt123:
lvt123 Featured By Owner Jan 24, 2014  Hobbyist General Artist
Fap fap fap fap fap fap fap fap.... :iconicameplz: the aesthetics of it are amazing....  Ultra sexy! i love it.
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jan 27, 2014  Professional Artist
:p you like messy cabling that much?
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:iconlvt123:
lvt123 Featured By Owner Jan 27, 2014  Hobbyist General Artist
i dont mind it that much. Everything i own has messy cabling. But when i install systems for others I'm neat.
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:iconpyrohmstr:
pyrohmstr Featured By Owner Jan 27, 2014  Professional Artist
Lol, this is for work. The cabling is about as clean as it can get though :p either way, glad you like it :dummy:
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:iconebolabears:
EbolaBears Featured By Owner Dec 17, 2013
So what do you do controlling microscopes?:eager:
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:iconpyrohmstr:
pyrohmstr Featured By Owner Dec 18, 2013  Professional Artist
We want to record c. elegans worms pumping behavior. We have microfluidic chips where we can trap the worms in little corals and then flow food into their faces. We then use the raspberry pis to record the video for many hours and then we can analyze the resulting footage. I don't do the actual experiments, I just designed, built, and wrote all of the software for this thing and then let the grad students use it :p

The microscopes are very cheap straight-from-china that were like $75 a piece (this is in contrast to our high quality recording microscopes which are like $2k a piece. The Raspberry Pi's are cheap. So we could build 10 of these for less than one of our usual recording microscopes :dummy:
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:icon13tangerines:
13tangerines Featured By Owner Mar 24, 2014  Hobbyist Digital Artist
Tell me more about the microscopes! Meow :3 Where did you bought them? What is max magnification? 
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:iconpyrohmstr:
pyrohmstr Featured By Owner Mar 24, 2014  Professional Artist
They're Celestron 44104's. We bought them from Amazon but they've gone up a bit in price (we actually saw the price jump after ordering 11 of them)

They have 4x 10x and 40x + 10x or 12.5x eyepiece. We don't use the eyepiece and just have celestron 44421 cameras on some of them controlled by the raspberry pi's in the image here. I've also hacked a few apart to make various things. One has a filter holder for fluorescence imaging, one has some modifications allowing the camera to get a much wider field of view, and a few are modified to accept c-mount scientific CMOS cameras :bucktooth:
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:icon13tangerines:
13tangerines Featured By Owner Mar 24, 2014  Hobbyist Digital Artist
Thanks, I will take in mind this microscope brand! 
I am planing to make a near IR and fluorescence microscopes, but don't want to screw up fancy microscopes from our lab. :imsmart: 
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:iconpyrohmstr:
pyrohmstr Featured By Owner Mar 24, 2014  Professional Artist
We haven't tried near-IR with these yet. I don't see any reason why one couldn't do it, I just don't know how sensitive the celestron cameras are.

The fluorescence was a pain to set up. The filter we were using cost more than all of the other parts put together. We also found some GFP filters on ebay but decided it didn't really matter. We just set up fluorescence as a figure it a paper we're writing on this setup.

I actually managed to use a 405nm laser pointer to excite the GFP :bucktooth: $10 on ebay and a lot of fun to play with.
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:iconebolabears:
EbolaBears Featured By Owner Dec 18, 2013

So you're the reason why the zombie apocalypse begins!:eager:

That's cool. Freeloading worms and the voyeurs who love them:P

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:iconpyrohmstr:
pyrohmstr Featured By Owner Dec 18, 2013  Professional Artist
I would totally make zombies if I could!

Or even more evil, make fire ants resistant to the cold :dummy: teach the north a lesson about fire!
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:iconebolabears:
EbolaBears Featured By Owner Dec 18, 2013
We already get ants from down south in the warm months.:shakefist:
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:iconralfmaximus:
RalfMaximus Featured By Owner Dec 17, 2013  Hobbyist Writer
And what are you doing with that? Bitcoin mining?
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:iconpyrohmstr:
pyrohmstr Featured By Owner Dec 17, 2013  Professional Artist
lmao, yeah :p that would go so poorly.

No, it runs a series of microscopes. sta.sh/0113lp7gjepp
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:iconralfmaximus:
RalfMaximus Featured By Owner Dec 17, 2013  Hobbyist Writer
Cool!
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