Community research

Welcome! This could be your dashboard if you joined Public Lab

Activity


Subscribe

New edit by warren

Power Tags

Changes »

about 4 hours ago | 1 | | 1,173 | 11

New edit by warren

Power Tags

Changes »

about 4 hours ago | 1 | | 1,173 | 11

New page by joyofsoy

sandbox-welcome

3 days ago | 0 | | 2 | 0

New page by liz

test

3 days ago | 0 | | 6 | 0

New edit by joyofsoy

Make: Magazine

Changes »

3 days ago | 0 | | 42 | 0

New edit by joyofsoy

Make: Magazine

Changes »

3 days ago | 0 | | 42 | 0

New edit by liz

Make: Magazine

Changes »

3 days ago | 0 | | 42 | 0

New edit by liz

Make: Magazine

Changes »

3 days ago | 0 | | 42 | 0

New edit by stevie

sandbox-sitemap

Changes »

4 days ago | 0 | | 78 | 1

New edit by GSan

Tortuga Guardian

Changes »

4 days ago | 0 | | 17 | 0

New edit by GSan

Tortuga Guardian

Changes »

4 days ago | 0 | | 17 | 0

New page by GSan

Tortuga Guardian

4 days ago | 0 | | 17 | 0

New edit by stevie

Glossary

Changes »

7 days ago | 0 | | 259 | 2

New page by warren

h2s

9 days ago | 0 | | 0 | 0

New page by warren

Reviews

10 days ago | 0 | | 7 | 0

New page by liz

waterquality

10 days ago | 0 | | 1 | 0

New page by warren

datalogging

16 days ago | 0 | | 2 | 0

New page by warren

babylegsposter

16 days ago | 0 | | 13 | 0

New page by liz

microscope-photos

23 days ago | 0 | | 16 | 0

New page by warren

Community Atlas

28 days ago | 0 | | 11 | 0

xose commented on Measuring Air Quality (PM) @ new years eve during fireworks almost 3 years ago

Thanks a lot @GreenFrogg!! That would be great!

xose commented on Dustduino potentiometer testing almost 3 years ago

Hi @jeffalk! Thanks for your help! That's not a basic question. That's in fact the kind of answer...

jfd commented on Video Infragram almost 3 years ago

Nice! Thank you Warren, ok I will check it out. Yes, I will develop on Github... I will have some...

warren commented on an answer about Video Infragram almost 3 years ago

Are you developing on GitHub, and might I follow your progress there?

warren commented on an answer about Video Infragram almost 3 years ago

Well, basically we just take the incoming image pixel by pixel, and for each of the input pixels,...

warren commented on Preliminary PCBs for Particulates almost 3 years ago

I think this should now be possible with webjack-firmata and one of these nice cheap "Arduino Nan...

jeffalk commented on Dustduino potentiometer testing almost 3 years ago

Please excuse this basic question but what makes you think that all such devices should calibrate...

rockets commented on Pearl River Monitoring in Guangzhou almost 3 years ago

@rockets awards a barnstar to shanlter for their awesome contribution!

JuanfraAlvarez commented on Dustduino potentiometer testing almost 3 years ago

I have just found this: http://takingspace.org/wp-content/uploads/ShinyeiPPD42NS_Deconstruction_T...

JuanfraAlvarez commented on Dustduino potentiometer testing almost 3 years ago

thanks @warren, that post (pdf of field calibrations) is the reason we changed the sampletime to...

Jlmaybach commented on Is anyone doing any work with fungi? or bioremediation? almost 3 years ago

Hey Mushroomman! Fellow mycology fanatic here seeking some community resources that eventually l...

warren commented on an answer about "Full Spectrum" grow LED Testing almost 3 years ago

Well, the compensation is based on the sensitivity of the semiconductor, mostly (i believe). I th...

warren commented on Calibrating the spectrometer almost 3 years ago

Hi, it looks like your spectrum is quite blurry -- see the examples in the activity here: https:/...

warren commented on Calibrate your spectrometer in Spectral Workbench almost 3 years ago

I'm sorry - the tag should be #gain-control -- and although I don't have time myself at this poin...

warren commented on Dustduino potentiometer testing almost 3 years ago

Awesome post and good questions! I did find this interesting post w some possibly helpful info: ...

ddnoob commented on CCD Photodiode Array Spectrometer almost 3 years ago

Thank you very much, bhickman

jfd commented on Thermal Flashlight Using MLX90614 IR Evaluation Board From Sparkfun almost 3 years ago

Hi, great discussion. Probably the best thing here would be for us to build our own custom board ...

bhickman commented on CCD Photodiode Array Spectrometer almost 3 years ago

Hi ddnoob. I have not quantified the resolution, but by my estimate, the wavelength resolution is...

Iqbaljurist commented on Calibrate your spectrometer in Spectral Workbench almost 3 years ago

Dear Warren, @warren I could not click the hashtag. Also, could we have a live chat which we ca...

necisuperiorenzymes commented on How do environmental monitoring methods become recognized or official by US regulatory agencies? almost 3 years ago

This whitepaper explains how methods become Clean Water Act methods for wastewater analysis under...

necisuperiorenzymes commented on How can I find out what environmental monitoring methods are recognized by regulatory agencies? almost 3 years ago

The NELAC Institute has a lot of information on regulatory methods for environmental monitoring. ...

soheilkh commented on an answer about "Full Spectrum" grow LED Testing almost 3 years ago

Thanks Warren, (1) is there any specific filter that I can use to fix overcompensation of the lig...

warren commented on Calibrate your spectrometer in Spectral Workbench almost 3 years ago

Hi, there are some steps for intensity calibration outlined in #exposure-calibration, but they're...

warren commented on an answer about "Full Spectrum" grow LED Testing almost 3 years ago

The raw spectra these DIY devices produce are not absolute calibrated per-color, so they may be m...

soheilkh commented on an answer about "Full Spectrum" grow LED Testing almost 3 years ago

The reason I was doubted the result is that I have way more red LEDs than blue. Both colors seems...

ddnoob commented on CCD Photodiode Array Spectrometer almost 3 years ago

Dear bhickman, I have 2 questions: 1.How is resolution of the spectrometer? ...

xose commented on got weird graph almost 3 years ago

Hi bochamu can you share some links to your uploaded spectra?

Iqbaljurist commented on Calibrate your spectrometer in Spectral Workbench almost 3 years ago

@cfastie Chris, I am now able to measure my spectra using iPhone, i dont know why using mobile ...

cfastie commented on Calibrate your spectrometer in Spectral Workbench almost 3 years ago

Jurist, I tried to calibrate your spectrum but Spectral Workbench would not complete the task. I...

Iqbaljurist commented on Calibrate your spectrometer in Spectral Workbench almost 3 years ago

@warren Hi Warren, let me introduce myself. My name is jurist, im freshmen of physics engineerin...

Grassroots Newark Continues

by Hudonnoodles over 8 years ago | 0 | | 35 | 0

Notes from Tuesday PLOTS staff call

by warren over 8 years ago | 0 | | 52 | 0

Spectrometry 1st week plan

by Alex-McCarthy over 8 years ago | 0 | | 63 | 2

Extra-slow SD cards for balloon mapping

by warren over 8 years ago | 1 | | 1,486 | 2

NDVI-NRG infrared tests from an airplane

by warren over 8 years ago | 0 | | 75 | 0

Mapper interview: Dawn McKinney

by warren over 8 years ago | 0 | | 50 | 0

Barataria Bay Flyover

by adam-griffith over 8 years ago | 0 | | 45 | 1

Port Sulphur reference map

by warren over 8 years ago | 0 | | 31 | 2

Quantify wetland from aerial UV photo

by cesarharada over 8 years ago | 1 | | 115 | 1

Third thermal photo

by warren over 8 years ago | 0 | | 68 | 0

Thermal photo 2

by warren over 8 years ago | 0 | | 57 | 0

First thermal photo

by warren over 8 years ago | 0 | | 55 | -1

Gowanus Canal balloon tests

by warren over 8 years ago | 0 | | 37 | 2

Guides wiki page

by warren over 8 years ago | 0 | | 28 | 2

Pyrex thermal infrared transmissivity

by warren over 8 years ago | 0 | | 144 | -1

NRG image of Lima from balloon

by warren over 8 years ago | 1 | | 93 | 0

Focus shift in bifocal filter?

by warren over 8 years ago | 1 | | 104 | -1

Kinect for 3d mapping from a car

by warren over 8 years ago | 2 | | 93 | 0

Images arriving from loose flight over Lima

by warren over 8 years ago | 0 | | 38 | -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 | | 39 | 2

Taller DIY de turbinas y luces solares

by warren over 8 years ago | 1 | | 19 | 2







A shared knowledge base for community science

New edit by warren about 4 hours ago - changes

Power Tags

New edit by warren about 4 hours ago - changes

Power Tags

New page by joyofsoy 3 days ago

sandbox-welcome

New page by liz 3 days ago

test

New edit by joyofsoy 3 days ago - changes

Make: Magazine

New edit by joyofsoy 3 days ago - changes

Make: Magazine

New edit by liz 3 days ago - changes

Make: Magazine

New edit by liz 3 days ago - changes

Make: Magazine

New edit by stevie 4 days ago - changes

sandbox-sitemap

New edit by GSan 4 days ago - changes

Tortuga Guardian

New edit by GSan 4 days ago - changes

Tortuga Guardian

New page by GSan 4 days ago

Tortuga Guardian

New edit by stevie 7 days ago - changes

Glossary

New page by warren 9 days ago

h2s

New page by warren 10 days ago

Reviews

New page by liz 10 days ago

waterquality

New page by warren 16 days ago

datalogging

New page by warren 16 days ago

babylegsposter

New page by liz 23 days ago

microscope-photos

New page by warren 28 days ago

Community Atlas

More »

The easiest way to start with Public Lab community is to ask a question.

See others' questions and ask your own here:

Questions »


Getting started exploring a local issue or concern?

Write an issue brief »


Topics

air-quality water-quality soil oil-and-gas climate sensors organizing more...