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Providence

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Simple Air Sensor

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Simple Air Sensor

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organizing

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Testing Our Waters

5 days ago | 0 | | 7 | 0

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BabyLegs KS

7 days ago | 0 | | 28 | 0

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The Sand Sentinel Program

14 days ago | 0 | | 163 | 2

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Local reporting on frac sand mining issues

14 days ago | 0 | | 5 | 0

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h2s photopaper

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Make

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sandbox-edu-coqui

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abdul commented on Can anyone help me troubleshoot my NDVI imagery? over 2 years ago

@warren @cfastie So I took a new photograph with the adjusted config file, as I had indeed uploa...

nshapiro commented on Public Lab awarded NSF funding to help develop low-cost community formaldehyde monitoring technique over 2 years ago

Thanks, @danbeavers! I'm hoping it works well and we can develop many more applications!

kinasmith commented on Dendrometers! over 2 years ago

There is some more info about the background for this project here: http://news.uaf.edu/trees-sur...

vwls commented on Dendrometers! over 2 years ago

Really awesome work, thanks for sharing!

bhickman commented on CCD Photodiode Array Spectrometer over 2 years ago

I updated the link. Thanks.

mathew commented on New possibilities for a low-cost gas camera over 2 years ago

I'm also interested if the same lenses and filters could be applied to a Lepton sensor-- It's pri...

mathew commented on New possibilities for a low-cost gas camera over 2 years ago

I discovered the OpenMV project has a thermopile board. I can't find a lot of documentation on i...

vwls commented on Thermal Imaging: Heat Insulation in Older Building over 2 years ago

Hi @SCG! I realize this post is two years old, but would you be willing to share links to hardwa...

loganw commented on New possibilities for a low-cost gas camera over 2 years ago

Here's an update, I've received a sensor (uncalibrated, which turns out to be an issue) and read ...

stef commented on Spectrometer Light Tight Cover Build over 2 years ago

@warren Thanks for your comments. Prior to the IR filter removal, I had no indication that there ...

stef commented on Camera Focus IR Filter Removal over 2 years ago

Done!

stoft commented on High-Rez WebCam Spectrometers over 2 years ago

What I've read is that the RPi camera used to use the OV5647 camera chip but has "upgraded" (chan...

patcoyle commented on 3D visualizations from aerial photos of a landfill (video) over 2 years ago

Chris, yes, it was a while ago, but this note: https://publiclab.org/notes/patcoyle/05-01-2014/an...

warren commented on Can I upgrade a DIY spectrometer with a Raspberry Pi camera? over 2 years ago

Just wanted also to link to @stoft's input on this question in this comment: As to the RPi camer...

warren commented on High-Rez WebCam Spectrometers over 2 years ago

Great, thanks -- and just to link to the question I'd asked about this earlier: https://publiclab...

stoft commented on High-Rez WebCam Spectrometers over 2 years ago

Jeff, I inserted the component details in the note above, just before the plots. As to the RPi c...

warren commented on Camera Focus IR Filter Removal over 2 years ago

Also -- just reading this through carefully, and was wondering if the line: I used the pick on ...

cfastie commented on 3D visualizations from aerial photos of a landfill (video) over 2 years ago

Thanks Pat, I recall that you might have tried Meshlab with this type of data. Were you able to d...

warren commented on Spectrometer Light Tight Cover Build over 2 years ago

Also - do you have links to scans done with and without this light cover, in bright conditions, t...

warren commented on Spectrometer Light Tight Cover Build over 2 years ago

Great build photos - I've added the upgrade:dssk tag to indicate to people that this is an upgrad...

warren commented on High-Rez WebCam Spectrometers over 2 years ago

Great to see this comparison. Do you have a link to where these webcams might be purchased, and p...

patcoyle commented on 3D visualizations from aerial photos of a landfill (video) over 2 years ago

Thanks Chris. Nice example of use of the surface from motion tools, ICE, Google Earth, and more o...

liz commented on Comment piece in Nature about peer review over 2 years ago

Check out this Reddit AMA about the "Free The Science" initiative: https://www.reddit.com/r/scien...

warren commented on Can anyone help me troubleshoot my NDVI imagery? over 2 years ago

Abdul - it looks like the config file you're using is not set up with a corrected white balance. ...

Claytonb commented on Plant Health NDVI -White Balance over 2 years ago

@Thorsten I have not tried using a chart like the color checker though I have used materials(plas...

liz commented on Organizing the Riffle Area over 2 years ago

Ah great topics. Is everyone able to join tomorrow's 3pm ET call?

Thorsten commented on Plant Health NDVI -White Balance over 2 years ago

@Claytonb great work as usual! Two questions: Have you tried some reddish colors of calibratio...

danbeavers commented on Public Lab awarded NSF funding to help develop low-cost community formaldehyde monitoring technique over 2 years ago

I think this is great! I hope H2S can be a project also.

sarasage commented on Community-level Odor Mapping Site over 2 years ago

Thanks, Jeff!

cfastie commented on Calibration cogitation over 2 years ago

The lamp post, the wall, and parts of the tree trunk are all very dark. It is a common artifact t...

NRG image of Lima from balloon

by warren over 8 years ago | 1 | | 82 | 0

Focus shift in bifocal filter?

by warren over 8 years ago | 1 | | 99 | -1

Kinect for 3d mapping from a car

by warren over 8 years ago | 2 | | 78 | 0

Images arriving from loose flight over Lima

by warren over 8 years ago | 0 | | 34 | -1

Nice spectra

by warren over 8 years ago | 0 | | 1,408 | 2

DIY Windmill and Solar Light Workshop

by warren over 8 years ago | 1 | | 28 | 2

Taller DIY de turbinas y luces solares

by warren over 8 years ago | 1 | | 17 | 2

Great shot for NDVI

by warren over 8 years ago | 0 | | 76 | -1

Example NDVI usage in a vineyard

by warren over 8 years ago | 1 | | 209 | -1

Bifocal infrared/visible filter on a camera

by warren over 8 years ago | 0 | | 83 | -1

DIY Spectrometry Workshop in Lima, Peru

RSVP

Event by warren over 8 years ago | 0 | | 423 | 1

NDVI test in Lima Peru

by warren over 8 years ago | 4 | | 181 | -1

Very clear spectrum through pineapple

by warren over 8 years ago | 7 | | 130 | -1

The Roomba Project

by byeongwon over 8 years ago | 0 | | 71 | 0

Plant spectral timelapse (~7hrs)

by warren over 8 years ago | 3 | | 44 | 0

UV photography & quartz lenses

by warren over 8 years ago | 6 | | 40 | 0

Methane absorption band at around 1100nm

by warren over 8 years ago | 1 | | 123 | -1

Scanning spectrometry video test

by warren over 8 years ago | 0 | | 36 | -1

Bayou St. Denis in Cartagen Knitter

by warren over 8 years ago | 0 | | 39 | -1







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Public Lab Community Newsletter

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Public Lab Community Newsletter

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Public Lab Community Newsletter

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Community Science Forum

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Community Science Forum

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Providence

New edit by warren about 11 hours ago - changes

Providence

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Simple Air Sensor

New edit by warren 1 day ago - changes

Simple Air Sensor

New page by warren 3 days ago

organizing

New page by TestOurWaters 5 days ago

Testing Our Waters

New page by warren 7 days ago

BabyLegs KS

New page by stevie 14 days ago

The Sand Sentinel Program

New page by liz 22 days ago

h2s photopaper

New page by Bronwen about 1 month ago

Make

New page by warren about 1 month ago

sandbox-edu-coqui

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