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Coqui conductivity sensor

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Coqui conductivity sensor

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Board of Directors

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Board of Directors

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Board of Directors

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Texas Barnraising, February 22-24, 2019

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Texas Barnraising, February 22-24, 2019

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Texas Barnraising, February 22-24, 2019

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India

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oil

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eval

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Electronic device security best practices

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share

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Spread the word this holiday season

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Microbrews

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Cranston

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OHL

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Comment templates

3 months ago | 0 | | 1

Claytonb commented on MidOpt Dual Bandpass and Event38 filter testing almost 3 years ago

@Thorsten - you are correct the images were mislabeled. Thanks for the heads up. I have corrected...

warren commented on CP RR oil tanker leak from Red wing to Winona MN, beside Mississippi River almost 3 years ago

Hi, Mary! We're working on a publication about oil spills and such, and wanted to use your above ...

Thorsten commented on MidOpt Dual Bandpass and Event38 filter testing almost 3 years ago

@Claytonb, thanks for the test. I assume the images are correct but the channels in the image cap...

JacobNederend commented on Calibrating raw images - a step toward JPEG calibration? almost 3 years ago

@nedhorning Today I rescued an old light source and integrating sphere from the scrap heap on cam...

liz commented on Mapping Trees In Berlin almost 3 years ago

Great to hear about your initiative!!! Check out NYC's initiative https://treescount.nycgovparks....

wjw commented on Gather and analyze long term solar and wind data for my locale almost 3 years ago

So, the time has come to get ready to move this from the bench to the real world. Thus far... ...

stoft commented on Spectrometer focus almost 3 years ago

Since you appear to have verified all the individual elements, the solution must be that your ove...

smurpau commented on Spectrometer focus almost 3 years ago

Yeah, the webcam itself gives a good image and is focused. Moving the diffraction grating from 60...

stoft commented on Spectrometer focus almost 3 years ago

Ok, still a mystery; but I'll bet it's something simple that's overlooked. Let's double-check the...

smurpau commented on Spectrometer focus almost 3 years ago

Welp, still no luck, although the purple tint does appear to reduce the clipping (presumably just...

smurpau commented on Spectrometer focus almost 3 years ago

You know what, you're right. I don't see anything reflected from either side through the ethanol-...

stoft commented on Spectrometer focus almost 3 years ago

Ok, it was just a reflection in the earlier photo. Just good to check. Could there be any issue w...

smurpau commented on Spectrometer focus almost 3 years ago

Is this the paper holder you mean? I can't see any real gap from the front or back. I tried the s...

stoft commented on Spectrometer focus almost 3 years ago

Quick question .... in your photo above (of the 0.4mm slit) it looks like there is a gap between ...

Matej commented on Oil Testing Kit Initial Electronics almost 3 years ago

Great Work! :-)

smurpau commented on Spectrometer focus almost 3 years ago

Yes, this is the fluorescent tube 0.4mm slit diffraction grating and webcam As I said I've ...

warren commented on Spectrometer focus almost 3 years ago

I think the best plan may be to try focusing the webcam with the spec open and using a webcam pro...

warren commented on Spectrometer focus almost 3 years ago

Hmm, I can't see any spectra on your profile at https://spectralworkbench.org/profile/smurpau Ar...

smurpau commented on Spectrometer focus almost 3 years ago

Thanks for your reply @stoft. The light source is a fluorescent tube (there aren't any CFLs avail...

warren commented on Baseline noise removal test in Spectral Workbench 2 almost 3 years ago

Followup; this is kind of neat; this graph shows the amount of noise removed:

Parth commented on How to calibrate infragram's Mobius camera for get accurate NDVI index? almost 3 years ago

Hi Chris, Thank you very much for elaborate me more about filter and also for clear up my confus...

liz commented on Oil Testing Kit Initial Electronics almost 3 years ago

Oh hey Cort! Great to see your work again!

warren commented on Oil Testing Kit Initial Electronics almost 3 years ago

OK, I apparently burned out my Trinket somehow, because I can't re-upload; but i have a 2nd one. ...

warren commented on Oil Testing Kit Initial Electronics almost 3 years ago

I was able to upload the sketch, but it only changes once per second -- i was hoping for a smooth...

warren commented on Oil Testing Kit Initial Electronics almost 3 years ago

So awesome, thanks Cort! I modified your code for the Trinket and put it on Codebender.com, using...

shanlter commented on The open burning of textile waste almost 3 years ago

Thanks @DavidMack, the calculation method as well as the EPA's guide are very helpful!

hagitkeysar commented on Decolonized Skies almost 3 years ago

Thanks Nick! bigger and badder sounds good :) pls email me you address I'll send the booklet to y...

cfastie commented on Tube fluorescent lamps for spectrometer calibration almost 3 years ago

Correction: When I calibrate Corrected Snowy CFL (with itself), I can get a Fit as good as 5. But...

cfastie commented on Tube fluorescent lamps for spectrometer calibration almost 3 years ago

Ah, set as in SW set! Here is one with CFL spectra from you, me, stoft, and spectra4cps: https:/...

warren commented on Tube fluorescent lamps for spectrometer calibration almost 3 years ago

Oh, just the spectra you're looking at to reach those conclusions. Sorry to mix vocab :-)

marsh-H2S videos and some graphics

by eustatic over 6 years ago | 1 | | 2

Drager Tubes use info

by Shannon over 6 years ago | 0 | | 2

Kite mapping tundra plots

by cfastie over 6 years ago | 0 | | 0

Public Lab community newsletter 7.6.12

by Shannon over 6 years ago | 0 | | 2

Vegetation Mapping

by gwirth over 6 years ago | 4 | | 1

Photo monitoring plugin for ImageJ/Fiji

by nedhorning over 6 years ago | 7 | | 1

Nasa Kite modeler

by Safidy over 6 years ago | 3 | | 0

Timer battery disappoints

by cfastie over 6 years ago | 2 | | 0

The ShowerKAP

by cfastie over 6 years ago | 0 | | 0

Matching olive oil spectra in SpectralWorkbench

by warren over 6 years ago | 3 | | 0

Tagging and user accounts in MapKnitter

by warren over 6 years ago | 0 | | 2

Public Lab community newsletter 6.29.12

by Shannon over 6 years ago | 0 | | 2

Help learning to use MapKnitter

by gonzoearth over 6 years ago | 4 | | 0

Amsterdam kite satellite

by keimpe over 6 years ago | 1 | | 0

Finding Helium

by gonzoearth over 6 years ago | 0 | | 0

H2S retrieval from Bayou Sauvage

by eustatic over 6 years ago | 10 | | 2

Pictures of Balloon Mapping Union Sq NY

by C_Eich over 6 years ago | 0 | | 2

Waag Society: Citizen Science presentation

by warren over 6 years ago | 2 | | 1

Base maps in MapKnitter

by gonzoearth over 6 years ago | 1 | | 0

Alaska Range balloon mapping

by cfastie over 6 years ago | 1 | | 1

Article on opening science

by Shannon over 6 years ago | 0 | | 2

FABAoutfit derivative KAP rig

by jbreen over 6 years ago | 0 | | 0

Public Lab community newsletter 6.22.12

by Shannon over 6 years ago | 0 | | 2







A shared knowledge base for community science

New edit by bsugar about 3 hours ago - changes

Authoring Help

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Coqui conductivity sensor

New edit by warren about 12 hours ago - changes

Coqui conductivity sensor

New edit by bsugar 1 day ago - changes

Authoring Help

New edit by Shannon 1 day ago - changes

Board of Directors

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Board of Directors

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Board of Directors

New page by gauravano 12 days ago

India

New page by liz about 1 month ago

oil

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eval

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share

New page by joyofsoy about 2 months ago

Spread the word this holiday season

New page by warren about 2 months ago

Microbrews

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Cranston

New page by warren 2 months ago

OHL

New page by warren 3 months ago

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