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I. The Problem

Communities lack access to the tools and techniques needed to participate in decisions being made about their communities, especially when facing environmental hazards.

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II. The Collaboration

We are an open network of community organizers, educators, technologists and researchers working to create low cost solutions for monitoring air, water and land.

Discover, collaborate on, and contribute to locally important matters with the support of a global community.

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III. The Solution

Join us today, as we work together to build and inspire a community of DIY activists and explorers using simple tools to build a growing body of data about our local environments.

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Trending topics: spectrometer event near-infrared-camera infragram mapknitter

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Noise

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sonofaquark commented on spectrum matching

Good idea. This sounds pretty much like the way the search for pot plants with aerial photos. It ...

2 comments » over 5 years ago

sonofaquark commented on Spectrometer calibration

Hi, When speaking of "calibrating wavelength", what Wiebew is referring to is the mapping of the...

2 comments » over 5 years ago

commented on intensity calibration

What about using broadband or narrowband LEDs at "useful" center wavelengths and known intensitie...

29 comments » over 5 years ago

sonofaquark commented on IR/Visible light camera dreams & parts

it had not occurred to me before that with the beam splitter, a mirror, and a pair of cheap elect...

10 comments » over 5 years ago

sonofaquark commented on IR/Visible light camera dreams & parts

$20 too much for the splitter? This actually looks like pretty good quality and they have quite a...

10 comments » over 5 years ago

commented on Update on the photo monitoring plugin for ImageJ/Fiji

Ned, I am looking at doing some NDVI images for a independent study project for under-graduate d...

3 comments » over 5 years ago

sonofaquark commented on Sanm camera board for spectrometer kit

figuring in the shipping time, i looked into ordering one but couldn't find the info. Did you get...

20 comments » over 5 years ago

mathew commented on Sanm camera board for spectrometer kit

Ok, this spectrum is completely messed up in its calibration and graph... spectral workbench at i...

20 comments » over 5 years ago

sonofaquark commented on IR/Visible light camera dreams & parts

a couple of ideas; you could use a beam splitter to combine two cameras. good ones are expensive ...

10 comments » over 5 years ago

sonofaquark commented on Spectrometry discussion across the web

Looking back through the history to catch up while anxiously waiting to get my kit I see you have...

11 comments » over 5 years ago

commented on IR filter switchers

Awesome! This is totally great Mathew! Nice one!

4 comments » over 5 years ago

sonofaquark commented on intensity calibration

there is a 14" hoffman integrating sphere and controller on ebay right now for 995 or best offer ...

29 comments » over 5 years ago

cfastie commented on PAR

Excel allows nesting if statements, so: if((if(red>green,red,green))>blue,(if(red>green...

13 comments » over 5 years ago

sonofaquark commented on desperate newbie seeks info

I am interested in roughly the same end, but it is not simple to detect these chemicals optically...

7 comments » over 5 years ago

sonofaquark commented on First Measurement with Public Lab Desktop Spectrometry Kit

Awesome! I just ordered my kit and feel like a kid waiting for Santa. I was resigned to buying an...

8 comments » over 5 years ago

cversek New Contributor commented on Late-night IRCAM hack

follow the technical Python code discussion here: https://github.com/ingenuitas/SimpleCV/issues/320

17 comments » over 5 years ago

eustatic commented on Testing oil fluorescence with a green laser

following

10 comments » over 5 years ago

cversek New Contributor commented on Late-night IRCAM hack

Reposting a comment that somehow slipped through the cracks: Comment by kscottz: Hi Guys, I am o...

17 comments » over 5 years ago

cfastie commented on Late-night IRCAM hack

Don and Craig, This is incredible progress. It's really reassuring that Craig is already doing af...

17 comments » over 5 years ago

commented on Mobile Spectrometer Design Update

Hi Jeff, no link to post about 220V connectors, so posting here... an IEC panel-mounted plug is...

2 comments » over 5 years ago

pluharj commented on desperate newbie seeks info

It really depends what you wish to measure. For example some algae change color of water, so you ...

7 comments » over 5 years ago

cfastie commented on Noise

The corduroy appearance of the image is a mystery. The vertical lines are very regular in places,...

3 comments » over 5 years ago

warren commented on Using a home-made Spectrometer to test kombucha readiness

Again, super write-up. Some thoughts that might be helpful: for cfl calibrations without moving...

5 comments » over 5 years ago

warren commented on Passenger Pigeon shots of MSY to PHX

I started a map here: https://mapknitter.org/map/view/sinkhole-passenger-pigeon ~5 meter resolut...

5 comments » over 5 years ago

Sara commented on Vermont Winter Festival, Viewed from a Kite String

Great to see grassroots mapping taking off with TAC in Vermont!

2 comments » over 5 years ago

commented on Air Quality Egg

Aside from air testers, we also need food and water testers in our homes that become as common as...

3 comments » over 5 years ago

warren commented on Feb 20th Public Lab meetup in Somerville MA

Sorry, folks, some comments were caught in moderation. However, aside from doing that better next...

11 comments » over 5 years ago

Yuritza13 commented on THE LIVING ROOM

Stephanie would probably find dust.

3 comments » over 5 years ago

John_Wells commented on Infrared camera test - film types

Hi Could you send me a full image file of your picture at the top of the page please....It looks ...

9 comments » over 5 years ago

Emily13 commented on Air Quality Egg

Cool. I like how you said it changes to different colors. When you say it makes a a annoying nois...

1 comments » over 5 years ago

Grand Isle, Louisiana

by gonzoearth about 7 years ago | 0 | 2

Spectrometry UROP 5/9/11 update

by Alex-McCarthy about 7 years ago | 0 | 0

Spectrometry UROP 5/6/11 update

by Alex-McCarthy about 7 years ago | 0 | 1

Notes from 2011-5-6 staff call

by gonzoearth about 7 years ago | 0 | 2

Testing new false color gradients for NDVI

by warren about 7 years ago | 0 | 0

Spectrometry UROP 5/5/11 update

by Alex-McCarthy about 7 years ago | 0 | 1

Hoya UV filter profiles

by warren about 7 years ago | 1 | 2

Actual Air – Sensing Bicycle Project in Somerville, MA

by mike styczynski New Contributor about 7 years ago | 0 | 2

Antipodes: a journal of radical geography

by warren about 7 years ago | 0 | 2

Balloon Mapping Harvard GSD

by warren about 7 years ago | 2 | 0

Spectrometry UROP 4/28/11 update

by Alex-McCarthy about 7 years ago | 0 | 0

Exposure in the Gulf

by Shannon about 7 years ago | 0 | 2

No, we don't want to move.

by Shannon about 7 years ago | 0 | 2

Spectrometry UROP 4/26/11 update

by Alex-McCarthy about 7 years ago | 0 | 0

Spectrometry UROP 4/23/11 update

by Alex-McCarthy about 7 years ago | 0 | 0

Spectrometry UROP 4/20/11 update

by Alex-McCarthy about 7 years ago | 0 | 2

PLOTS New York Summit

by Shannon about 7 years ago | 1 | 0