🎈 Public Lab: question:general

Why copy calibration does not apply?

asked by @aelobo spectrometer spectralworkbench question:spectral-workbench question:general

Is this product applicable in real-time on a robot to identify dandelions?

asked by @rohanpaleja27 spectrometry tool answered question:general

Is it possible that receiving data in excel for y section, percentage?

asked by @HanHeejo data question:general excel

How do I make a video from a series of photos?

asked by @warren video sand leaffest photo-monitoring

got weird graph

asked by @bocahmu spectrometer spectralworkbench red uvc

"Full Spectrum" grow LED Testing

asked by @soheilkh spectrometer spectralworkbench export answered

Buggy spectral meter? Galaxy S7...

asked by @sirkubax spectrometer spectralworkbench red uvc

How to convert the csv or xml files to spectrum graph?

asked by @soheilkh spectrometer spectralworkbench export graph

Video Infragram

asked by @jfd near-infrared-camera infrared infragram question:infragram

Chosing which camera to obtain data from

asked by @nnole spectrometer spectralworkbench event spectral-workbench

Well done. What method do you use to enhance the output?

asked by @HappyS5 spectrometer spectrometry raman question:spectrometer

Use this research to build inexpensive autonomous lionfish killing drones

asked by @DavesPlanet fish open-water robotics oceanography

GoPro Hero HD first version- Making full spectrum( Removing IR filter)

asked by @suman near-infrared-camera ndvi conversion infragram

Camera IR, spectrometer

asked by @Sigmund92 spectrometer answered question:general

Fraunhofer Lines at higher resolutions?

asked by @stef spectrometer vermont ebert absorption

what causes spectral colors to be reversed?

asked by @vgoebel spectrometer documentation help faq

Difference Between Image Calibration and Camera Calibration?

asked by @J_tanna ndvi calibration infrared infragram

Getting mini spectrometer to produce a spectrum

asked by @rcmjh spectrometer guide cross-section question:general

Noise Pollution measure meter

asked by @smalam staff contact question:general

Can I use any red filter for capturing NIR light?

asked by @sujayj near-infrared-camera ndvi calibration infrared

What is the algorithm used in generating the fastie colormap from NDVI in Infragram?

asked by @Jtaw colormap question:ndvi question:infragram fastie

What are some lessons learned using the Riffle? (Especially Underwater)

asked by @pdhixenbaugh riffle question:riffle question:general

Is this government security warning on NOAA new?

asked by @marlokeno question:general edgi

Related Literatures, International Journals related to NDVI from Cheap Modified Mobius Camera

asked by @suman balloon-mapping near-infrared-camera kite-mapping nrg

portable NDVi camera with processing

asked by @aldrin ndvi question:general

Batching the process of NDVI in Fiji for modified mobius with red filter

asked by @suman near-infrared-camera ndvi imagej infragram

Infragrammer WebGL HSV vs Standard equations

asked by @plam near-infrared-camera ndvi infrared infragram

Mapknitter export

asked by @Zajtam mapknitter help tutorial exporting

Mapknitter file download

asked by @Zajtam mapknitter help tutorial exporting

Testing Water For Specific Polluting Compounds

asked by @rajanzaveri spectrometer lead mercury question:spectrometry

Best NDVI Filter

asked by @abrenner question:general

how can i get a more precise wavelenght-scale to this spectrum --distances 5nm or less ?

asked by @rudolf455 spectrometer spectralworkbench question:general general

What are the health effects related to fine particles of calcium carbonate?

asked by @stevie health particles question:air-quality answered

Are there any methods to distinguish where particulate matter in the air comes from?

asked by @stevie air dust frac-sand pm

Is it possible to use a yeast biosensor to detect pathogens in a river?

asked by @hananbloomer yeast water-quality biosensors river

Ever heard of battery eliminators?

asked by @sarasage question:general

Can this camera be suitable to make a spectrometer v3.0?

asked by @osetroff spectrometer modifications question:spectrometry how-do-i-build-a-spectrometer

Can a Spectrometer be used to detect material type?

asked by @jjoll spectrometry tool question:spectrometry question:general

Is there a tutorial or a description of how to image spectra from a plant specimen?

asked by @Snowstorm spectrometer spectralworkbench red uvc

Any way to improve on the DVD grating?

asked by @dsvilko question:spectrometry question:general question:grating

What would be a good basic activity to test out a data logging device in water?

asked by @stevie water riffle question:riffle answered

data loggers for PH ?

asked by @MadTinker tool riffle answered question:water-quality

Sensor: ORP versus PH

asked by @MadTinker arduino water-quality water open-water

Unable to use back camera on an android phone

asked by @Vman spectrometer spectralworkbench export graph

stablish a communication between Spectral Workbench and an arduino???

asked by @jjoll spectrometer spectralworkbench question:general

AstroPlant RPi sensory system

asked by @Sidney_AstroPlant water-sensing raspberry-pi infragram water-quality

1602 HD44780 LCD with 74HC595 Shift Register Help

asked by @nanawhite107 question:general

Do you know of environmental justice applications of remote sensing data?

asked by @gretchengehrke question:question question:general question:remote-sensing question:satellite-imagery

What are some options for low cost methane monitoring?

asked by @stevie air-quality methane question:general

Software for mapping trees?

asked by @icarito question:general first-time-poster

Seeking DC-area folks interested in building temperature sensors for urban heat island measurement

asked by @carohowe temperature heat question:thermal-photography question:general

Problem with rotating the image

asked by @narendradesilva mapknitter question:general question:mapknitter date:07-21-2017

What is the standard 1-wire bus connector?

asked by @yamadanao614 question:general

Tutorial Connecting SpectralBench To IoT Datalogger?

asked by @LightWaveResearch8000 arduino datalogger sensor data-logging

What kinds of data are best suited for raising public awareness? other goals?

asked by @gretchengehrke question:general

Why can't I calibrate? Glitch?

asked by @hanswilms spectrometer spectralworkbench red uvc

Just tried to publish a Replication of the KnowFlow and fail ...

asked by @MadTinker tool answered question:general knowflow

What is your favorite program to plot data from a data logger?

asked by @gretchengehrke question:general question:data-logging question:data-logger

What do the terms attainment and nonattainment mean?

asked by @liz air-quality question:air-quality answered question:general

Could this 720nm IR filter from ebay be used for NDVI/infragram?

asked by @qdominus ndvi infragram answered question:general

What software have you used to convert the image to a spectrum?

asked by @ohlhavercm spectrometer raman diy-spectrometer raman-spectrometer

I need a help I'm doing a research project on NVDI processes

asked by @camiloreyes ndvi multispectral drones infrared

Helium Cylinder (15 Litre) Mobius Action Camera Balloon mapping Kit How long will my cylinder last?

asked by @suman balloon-mapping question:balloon-mapping land-use answered

How to run ImageJ, Fiji in RPi?

asked by @elongo farming agriculture ir raspberry-pi

Where are people compiling lists of potential pollution sites following Hurricane Irma?

asked by @stevie hurricane question:general irma

What should we do at LEAFFEST?

asked by @cfastie vermont leaffest question:general leaffest2017

How can I purchase dustduino sensor?

asked by @erumenig indoor-air-quality-mapping particulate-sensing agriculture air-quality

Wondering if anyone in Mexico is helping with earthquake relief in Oaxaca?

asked by @warren with @cindy_excites mexico central-america with:cindy_excites question:general

Can NASA VIIRS data used for disaster maps?

asked by @marlokeno remote-sensing infrared oil-spill satellite-images

STEM appropriate projects?

asked by @MadTinker question:general

Anyone has ideas of how to get access to satellite imagery for Puerto Rico? In-land areas?

asked by @mlamadrid question:general

Do we need to calibrate a camera after removing IR filter?

asked by @KushalKC question:general first-time-poster

Water Quality Testing Requirements

asked by @gilbert water-quality-monitoring answered question:general water-quality-testing

We need help with garden testing after Harvey

asked by @Georgina question soil garden answered

Can I use an NIR LED to help make weeds (or plants) stand out even more with an NIR camera?

asked by @robotfarms near-infrared-camera nir infrared infragram

How can I purchase an already fully constructed "Desktop Spectrometry Kit 3.0"?

asked by @IsraelYaar spectrometer kits spectrometry assembly

How to connect a creative cam notebook with a smartphone?

asked by @KushalKC question:spectrometry question:general question:webcam

How to identify herbicide known as Dicamba or identify the damage it causes?

asked by @liz answered question:general question:herbicides question:agriculture

How do I assemble the mini-balloon kit?

asked by @asnow mini-balloon-kit question:general first-time-poster

Which is the wind speed range (maximum) when mapping with balloon?

asked by @edugil balloon-mapping question:balloon-mapping answered question:aerial-mapping

What software can i use to view Wheestat data?

asked by @Abdulhakeem0801 wheestat question:general question:wheestat

Hello good day what type of camera is that you use in the image?, is that I had problems to link my camera and I want to keep a camera recording while I change the samples

asked by @MArcoCD14 spectrometer spectrometry replication leaffest-2016

How do I start? i made the spectrometer 3.0. I do not see instructions? I had trouble getting my computer to use it as the camera. Is there any help available? Thanks.

asked by @RPiach spectrometer guide question:spectrometer cross-section

Would the desktop spectrometry kit work for measuring fluorescent responses?

asked by @ICSK fluorescence question:spectrometry answered question:dssk

Power & connectivity error messages with DSK 3.0 Cameras

asked by @Bronwen spectrometer spectralworkbench question:general

Has anyone modified a Go-Pro (or similar) action cam (besides the mobius) for infrared photography?

asked by @Bronwen near-infrared-camera infrared answered question:general

Who can I reach out to for community science app UI help?

asked by @nshapiro air-quality app resource question:general

Spectroscopic gas measurement

asked by @IyinomenDaniel question:general

How do I find where and how to download the spectroscope software on the Public Lab site?

asked by @dhaprt question:general

How should i go about converting svgs to jpgs or pngs

asked by @Flameytail spectrometer spectralworkbench spectrometry software

Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test?

asked by @zengirl2 barnraising hydrogen-sulfide answered isopropyl

What are sources for existing environmental data?

asked by @stevie epa database data question:general

how to export data from the spectral workbench capture site?

asked by @Reallygeek arduino spectralworkbench data exporting

What is the location to get analyzed spectral data in [wavelength, intensity] at at the SpectralWorkbench/capture page?

asked by @Reallygeek spectrometer spectralworkbench spectral-workbench-api robotics

When is the use of litmus paper insufficient to test for pH?

asked by @gilbert question:water-quality question:general water-sensors question:ph-testing

Are there accepted definitions of accuracy and precision within Public Lab?

asked by @MadTinker question:general

What to do-EPA enforcement officers forbidden to use some air & water tests w.o. Washington's approval?

asked by @marlokeno air-quality water-quality question:general

What are good ways to capture outputs and notes at events?

asked by @stevie events documentation barnraising barnstar:photo-documentation

What are good activities people can do in downtime at multiday events?

asked by @stevie events barnraising question:general barnraising-host

What are best practices for hosting family friendly events?

asked by @stevie events barnraising question:general barnraising-host

What are some good kid friendly activities people can run at events?

asked by @stevie events barnraising answered question:general

What resources are available to help people monitor noise pollution?

asked by @stevie gulf-coast new-orleans answered noise

When would you choose to monitor noise with an app verses a stand alone monitor?

asked by @stevie gulf-coast new-orleans answered noise

Hi I'd like to know more on this project

asked by @Droopas ph question:general response:11418 titration

Where is there a group interested in measuring the radiation levels from Japan?

asked by @ZzzPopFzzz question:general question:radiation

Fluorescence microscope - automatically detect airborne pathogens in confined space?

asked by @vwaterson fluorescence question:general microscopes pathogens

How can I detect in urban areas the amount of herbicide droplet and gaseous forms?

asked by @BHannon health 2 impacts question:general

What is the latest thinking of red / blue filters for NDVI?

asked by @stevesteve agriculture urban-planning infragram-filters tool

What information should be posted with images taken with a microscope?

asked by @stevie answered question:pm question:general question:microscope

Reflection on a flask surface

asked by @James_Ye question:general

Do the same regulations that apply to drones apply to balloon mapping?

asked by @Morgan balloon-mapping faa regulations drone

Canon PowerShot SD750

asked by @rjun86 agriculture urban-planning tool land-use

How to make a simple multispectral sensor with specific wavelengths (8-10 channels)?

asked by @elaineyuyu infragram hyperspectral food-fraud infragram-point-shoot

What are good humidity sensor/monitors to use with gas sampling kits?

asked by @gretchengehrke question:air-quality answered question:general question:h2s

How to mount grating in 3D printed smartphone spec?

asked by @robert_winkler spectrometer spectrometry smartphone-spectrometer question:general

How can I identify bits of plastic from the beach in an image?

asked by @jlev image-processing waste micro-plastics question:general

What are the possible sources to get more spectrometer information

asked by @Vendy question:general location:blurred lon:0 lat:1

the possible sources to get more spectrometer information

asked by @Vendy question:general

conductivity sensor electrolysis a concern in moving water?

asked by @MadTinker water-sensing water-monitoring conductivity riffle

I heard that Public Lab is planning an event in Texas, but I do not find anything about it.

asked by @caguldi03 barnraising texas question:general question:barnraising

"Rounding up" research areas?

asked by @liz community question:general question:community

Broadcasting the Barnraising?

asked by @liz community question:general question:community

Meetings?

asked by @liz community question:general opencall question:community

Project management?

asked by @liz community question:general question:community

Add a filter on a Pi NoIR camera

asked by @fsxskillz near-infrared-camera raspberry-pi question:infragram multipspectral

Help the Kits Initiative launch the Basic Microscope Kit by 3d printing lens adaptors!

asked by @Bronwen kits 3d-printing answered microscope

Ideas for Call for papers page: What would be important?

asked by @stefannibrasil writing writing-group question:general collaborative-writing

Modified TDS sensor as Conductivity Sensor?

asked by @MadTinker water-quality-sensor conductivity answered question:general

600 year old cedar tree - Infragram

asked by @Randall infragram tree photos trees

Quantitative analysis of wood moisture

asked by @MarcioPamplona spectrometry question:spectrometry moisture question:general

Looking for ideas on filtering metals, arsenic, and/or bacteria from water?

asked by @stevie remediation water-quality arsenic bacteria

I just made my Papercraft Spectrometer and have no idea what to next!

asked by @TeacherHelen spectrometer spectralworkbench spectrometry software

I just made my Papercraft Spectrometer and have no idea what to next!

asked by @TeacherHelen spectrometer spectralworkbench spectrometry software

Can Bio-char products absorb CAFO gases like Hydrogen Sulfide or Ammonia?

asked by @zengirl2 remediation biochar hydrogen-sulfide air-quality

How to test water for heavy metals today?

asked by @Devon7 heavy-metals laboratories water-quality metals

Do a DVD is provided with the LEGO kit ? ty !

asked by @adamsanta spectrometry lego question:spectrometry dvd

PAHs spectra

asked by @mephiengineer question:general

Should I invest in balloons or a drone for windless aerial photography/mapping?

asked by @Kmckeown balloon-mapping kite-aerial-photography drones aerial-photography

How does the Spectral Workbench intensity measuring work?

asked by @jsbonillam spectralworkbench spectral-analysis question:general

What is the best way to collaborate on Raspberry Pi code?

asked by @zengirl2 process open-hardware raspberry-pi coding

I have a lot of "old" cell phones. How can I use them as the small computers that they are?

asked by @jason_h_day equipment landfills recycling question:general

I am new to the community, where do I start?

asked by @yala mapping networking development mesh

Geotiff error when trying to export

asked by @Zemans balloon-mapping kite-mapping mapknitter aerial-photography

Mobius Actioncam offered for sale, is it Mobius1 or Mobius2

asked by @apparao question:general first-time-poster

Is it possible to calculate average NDVI in a picture using infragram's sand box?

asked by @Hala73 ndvi infragram photo-monitoring-plugin question:ndvi

Can collecting dust on a sticky pad result in EPA review?

asked by @liz epa air-quality pm question:pm

How to design scientific experiments?

asked by @niklasjordan answered experimental-design category:experiment question:general

H2O sensores - oportunidade de parceria

asked by @Gasp00 water-quality brasil redeinfoamazonia maedagua

Diffraction grating (200nm - 400nm) & Light, Vendor/Source Identification

asked by @darkdimension spectrometer spectralworkbench uvc question:general

How can we get hashtags on research notes so they are found on Twitter?

asked by @kullboys question:general

What should be appropriate marker for each environmental layer ?

asked by @sagarpreet question:general general

Problem with registration

asked by @Slava1 question:general

Advice regarding taking photos over frozen

asked by @dailyxeoto timelapse monitoring fracking frac-sand

Is lab interested in expanding in India?

asked by @Shish india question:general question:india

Will this gadget work for spectrophotometry?

asked by @jjroper spectrometry tool question:general method

Very dark image, can't get spectrometer to work

asked by @Tomas0413 question:general

How to retrieve a draft of a research note on pl.org?

asked by @Delaney question:general

What more data-layers can we show on map ?

asked by @sagarpreet leaflet question:general layers leaflet-environmental-layers

Mobius lens out of focus

asked by @tuomas_j_mattila question:general

Pressure sensor for depth controller

asked by @Karik underwater asia pressure sensor

What type of permits are required for gravel and asphalt processing facilities?

asked by @stevie with @ramseysprague question:pm question:general question:regulations question:permits

How are gravel and asphalt companies regulated?

asked by @stevie with @ramseysprague question:pm question:general question:permits question:dust

What are ways to visualize particulate matter pollution that comes from vehicular traffic?

asked by @stevie with @ramseysprague question:pm question:general question:dust location:blurred

How do I find out who is responsible for maintaining the roadway by my house?

asked by @stevie with @ramseysprague question:pm question:general question:permits question:dust

Best light source for spectrometer?

asked by @jneish spectrometry tool question:spectrometry question:general

Most accurate spectrographs?

asked by @jneish spectrometry tool question:spectrometry question:general

What is a good way to track vehicular traffic?

asked by @stevie with @ramseysprague transportation answered question:pm question:general

What are good resources, or things look look for, in reviewing environmental permits?

asked by @stevie question:general question:permits question:legal question:permit

What are the initial steps you take when you begin a new environmental data investigation?

asked by @sylvan community website education kits

I am looking for a low cost lab to test for PFOA/PFOS.

asked by @UpperPotomacRiverkeeper water-quality question:water-quality question:general question:pfoa

What options are available for pollution/health models?

asked by @stevie answered question:general question:health question:pollution

Air quality balloons - an updated version?

asked by @cindy_excites air-quality sensors question:air-quality question:general

Need some help with photon entanglement

asked by @whiteice217 physics question:general communication photons

Anyone working on environmental lead exposure / poisoning?

asked by @read_holman water-quality question:general question:lead first-time-poster

What are ways to monitor algae blooms?

asked by @stevie algae answered question:water-quality question:nir

Can you tell me please what application did you use ?

asked by @amayas spectrometry mobile-spectrometer olive-oil question:general

Low-cost air quality sensors to measure PM2.5, PM10?

asked by @bigmit37 transportation question:air-quality question:pm question:general

How to set automatic shoot in Mini Camera

asked by @severin balloon-mapping kite-mapping mapping camera

Ideas for a DIY + Maker class for 6th graders

asked by @Kmckeown education diy curriculum pollution

Help us test public water fountains in NYC for lead!?

asked by @read_holman heavy-metals water-quality lead question:general

how to connect spectrometer with laptop.

asked by @saleem spectrometer question:general

Sanity check for air sensors

asked by @Ag8n particulate-sensing dust particulate pm

How do you get the red LED on the pi camera to turn off?

asked by @zixaq spectrometer spectrometry fluorescence raspberry-pi

Infragram - Legacy sandbox formula

asked by @mrodriguezorejuela question:general first-time-poster

Search page: Comparing search modes

asked by @milaaraujo search answered question:general lat:1.010689

What would be the day to day use of spectroscopy?

asked by @TK_Siddharth answered question:general first-time-poster

I am looking to start some research in the image processing domain, for which I am currently trying to find a problem. I would love to know what other folks are working on!

asked by @tech4gt question:general

NDVI Numerical Values

asked by @AgtechMan answered question:general

With which Android Tablets is the Mobius Action Cam compatible?

asked by @apparao mobius-actioncam mobius question:mobius question:general

Studying the impact of a Cineplex in a residential area

asked by @SSamuel air urban-planning water-quality city-planning

Examples of fenceline community emissions and spill reporting services?

asked by @nshapiro air-quality water-quality answered question:general

spectralworkbench fails to recognize camera

asked by @jnakos question:general

How can you calculate microscope magnification with just a calibration slide?

asked by @Bronwen question:calibration question:general question:microscope question:community-microscope

DIY Oil Refinery Air Quality Monitoring?

asked by @scotttees oil diy refinery air-quality

Cheap multispectral camera

asked by @maykef near-infrared-camera remote-sensing ndvi wetlands

Are there templates available to laser cut the stages of the microscope - the coroplast?

asked by @melissajurist microscope question:general question:microscope microscope-stage

How to calibrate an spectrometer?

asked by @p_sebastianmunoz question:general

Can algae blooms be used for oil production?

asked by @Ag8n algae question:general question:algae question:algaebloom

Voltage generation for conductivity sensor

asked by @roberts_ecofarm water-quality conductivity riffle open-water

Does the spectrometer webcam have an IR filter?

asked by @MarkE question:general first-time-poster question:cannabis

why is this website so freaking slow?

asked by @iragersh website question:general first-time-poster slow

Can anyone provide direction for technical problems using the lego spectrometer thanks

asked by @mblumhar question:general first-time-poster

Is Lego Spectrometer Kit able to detect Glucose?

asked by @kokoz spectroscopy sugar urine question:general

Any pole photos of community gardens?

asked by @pataxte urban-ag pole-mapping question:general gardens

Are there any designs for a water depth sensor using echo sounding and not pressure?

asked by @iragersh water oyster depth question:general

Looking for recommendations for underwater video stream to surface

asked by @iragersh video water underwater stream

Has anyone had any experience converting the Canon SD1000 to infra-red?

asked by @shinnen near-infrared-camera conversion filter infragram

Has odor ever been used against an industry in court?

asked by @stevie evidence advocacy odor question:general

How do you put together the basic microscope kit, without the Raspberry Pi??

asked by @sja webcam microscope question:general community-kits

How do you put together the basic microscope kit, without the Raspberry Pi?? None of the instruction videos work.

asked by @sja webcam microscope question:general community-kits

NDVI: How is NIR value removed/separated from the RED+NIR that enters the red channel when using a single camera?

asked by @Anice ndvi nir infragram answered

need information on self-watering irrigation systems, rainwater capture down spout filter, dew collection systems

asked by @birdlink new-york-city williamsburg irrigation hardware

CRI software for spectrometer?

asked by @FineArtLight question:general response:10238

Do you people have ideas on how to make demineralized water?

asked by @aemilius89 water answered question:general demineralized

The waterproof IR camera page says that the camera has WiFi. Does it? How do I access it?

asked by @bps question:general first-time-poster

Where can I find the instructions?

asked by @jpater image-processing diy biology question:general

Should the Purple Air be co-located with a weather station?

asked by @stevie with @Cbarnes9 , @OrionAllgaier air wind pm weather

a platform for Seeing the Shutdown?

asked by @pataxte question:general

What are your thoughts about searching for content on the Public Lab website?

asked by @Bronwen question:general question:ui question:search question:ux

How to do the white-balancing for the RED filter?

asked by @cagiva near-infrared-camera ndvi question:general general

How do you test for oil and gas-related contaminants in soils?

asked by @DanielleS oil soil contamination testing

What kinds of environmental tools or hardware do you want explore (or invent) at Barnraising?

asked by @Bronwen diy barnraising tools hardware

Is a spectrophotometer able to detect contaminants and traces of heavy metals, like: Lead, Mercury, Cadmium, Chromium, Arsenic, Copper and Nickel? Which is the best method for continous tracking of contaminants in river water?

asked by @falbriard water-quality question:general first-time-poster spectrophotometry

Anyone have experience with diy soil testing methods for contaminants- Colorimetry, spectometry, reagents, etc?

asked by @DanielleS question oil barnraising heavy-metals

Using the Wheestat in a real time device

asked by @klplum heavy-metals water-quality potentiostat arsenic

What are some sources of funding for environmental projects?

asked by @Bronwen question:general question:fundraising

What constitutes an air quality violation in Wisconsin?

asked by @stevie reporting wisconsin air-quality legal

What are good resources for journaling on health related issues that could be connected to environmental concerns?

asked by @stevie ethics health question:general environmental-health

What are some different ways to use turbidity sensors?

asked by @lekhidugtal sensors turbidity question:general projects

Any questions/ things you want a contributor to know?

asked by @d1g1t4ld1n4 question:general first-time-poster question:contributor

What could be some applications of a hand-powered paper centrifuge?

asked by @mimiss water sampling microscopy question:general

Have you tried any good DIY microscope dyes or stains?

asked by @mimiss dye microscopy question:general question:microscope

please help!

asked by @Pepin420 question:general first-time-poster

NDVI Vineyard

asked by @dbehr question:general response:43

Education

asked by @ChristineColeman question:general first-time-poster

Does the "rolling shutter" aspect of cameras impact measurements?

asked by @jenjimah question:general response:18991 flicker banding

Can the link to the KAP Kite Comparison table be updated?

asked by @tahnok kite-mapping diy-kite kit kite-kit

What soil testing methods might be good for someone who lives by a highway overpass?

asked by @stevie question:general question:soil

Creating NDVI images with PI no ir V2

asked by @macmuzz ndvi software question:general question:pi-camera

What are some of the challenges of implementing a problem-based learning curriculum in your classroom?

asked by @mimiss question:general question:education problem-based-learning

How much helium do you need to fill a balloon in the regular balloon mapping kits?

asked by @stevie balloon-mapping helium question:balloon-mapping question:general

Is there a way to use ground-proximity data to do terrain mapping via kite/balloon mapping?

asked by @mimiss balloon-mapping mapping aerial-mapping question:balloon-mapping

What's the best way of estimating the altitude of your balloon when mapping?

asked by @molangmuir10 balloon-mapping kite-mapping question:balloon-mapping question:general

please help!

asked by @KristinaTamara spectrometer calibration question:general calibrating

What is the wifi range of the ras-pi when mapping?

asked by @molangmuir10 question:general wifi ras-pi

please help!

asked by @Jovana spectrometer spectrometry question:calibration question:general

pole-mapping kit, camera rig issues...

asked by @pataxte question:general response:11661

Can't access pi camera in Spectral Workbench

asked by @lukemcpheters spectral workbench question:general question:raspberry-pi

Spectrometer experiment

asked by @rjane20082 spectrometer spectroscopy question:general first-time-poster

What chemicals are sprayed when people do crop dusting?

asked by @stevie question:general question:agriculture question:pesticides question:crop-dusting

Are there any regulations around crop dusting?

asked by @stevie question:general question:agriculture question:pesticides question:crop-dusting

How to manage nature disaster recovery?

asked by @maria_lazurka question:general application tech disaster-recovery

What are indoor air quality concerns related to nail salons?

asked by @stevie question:air-quality indoor-air-quality question:general question:indoor-air

What's the best waterproof housing/case for a Raspberry Pi 4?

asked by @jonny housing art public pi

I need

asked by @rafabeur question:general first-time-poster

What do the different colors mean on the Simple Air Sensor?

asked by @stevie question:pm question:general question:frac-sand question:air-monitoring

Is anyone here working on light pollution? Measuring,mapping, etc?

asked by @MadTinker question:general

How can we use IoT to track the loss of biodiversity?

asked by @Alu017 question:general first-time-poster

How do we order from the online store?

asked by @DrJordanGSET question:general first-time-poster

Why do individuals/organizations want to collect water quality data?

asked by @wmacfarl water-quality water data-collection advocacy

How can DIY/community-collected environmental data be used?

asked by @wmacfarl water-quality data advocacy question:water-quality

what are the best light sensors?

asked by @omarion with @amallozzi sensing question:spectrometry sensor question:general

What do you do with charcoal from a water filter?

asked by @permaculturegardener question:general question:waste first-time-poster question:hazardous-waste

States are Leading in rainwater harvesting?

asked by @bettythompson1 question:general first-time-poster

How to make CHEAP spectrometer for chemical material analysis, and how can I compare sample spectra with my own database?? Is it some special soft??

asked by @super_smartaga spectra cheap chemical question:general

what are technical solution on crowd photo monitoring for environmental pollution? We want to set up photo monitoring for Air pollution, apps could adjust with previous photo or view angle.

asked by @erdenetsogt_s question:general first-time-poster

Reading the individual pixel data from a piCamera sensor sans-lens?

asked by @wln215 spectrometer spectroscopy question:spectrometer spectrometers

Air quality sensor detecting presence of ethylene oxide?

asked by @gccummings25 air-quality question:general general study-design

Do you have any experience with wildfires in Indonesia?

asked by @zengirl2 community farming health air

40x portable microscope with the pi cam V2.0

asked by @mjcamerino92 question:general general raspberrypi community-microscope

40x portable microscope with the pi cam V2.0

asked by @mjcamerino92 question:general general first-time-poster

Is Node.js used in the codebase?

asked by @maxman ruby nodejs question:general general

Can I use a single camera with RGB and extended NIR to capture NDVI?

asked by @SimonKirkman88 question:general general first-time-poster

Anyone had experience with the PTrak 8525 for ultrafine particles?

asked by @liz indoor-air question:general general question:indoor-air

Suggestions for helium tank Balloon kit

asked by @geoderek balloon helium question:general general

Do you have experience using a gas chromatograph?

asked by @liz question:general general gas-chromatograph question:gas-chromatograph

Amount of helium needed for a 5.5 foot balloon

asked by @geoderek balloon-mapping mapping balloon helium

driver usb camera community microscope

asked by @francesco49 question:general general first-time-poster

Any experience with knockoff temperature sensors?

asked by @wln215 temperature kits sensors question:general

Can you modify a drone's camera for ndvi pictures?

asked by @Bronwen ndvi aerial-mapping drone question:ndvi

How can I process the images taken from modified camera?

asked by @ThomasTaufan ndvi infrared webcam imagery

What actions can residents take to use environmental data to make an impact in their community?

asked by @jessicac community science data stormwater

Replicating IBM's Lensless, Holographic, RPi Microscope?

asked by @wln215 water-quality water microscope microscopy

Vape detector

asked by @Ryanwest air-quality question:air-quality question:general general

What are the adverse effect of concrete on human helth?

asked by @Engineerjaykumar concrete question:general general first-time-poster

How do I start with reafforestation project?

asked by @Maranatha question:general general first-time-poster

Are there simple tests for nitrates in well water?

asked by @stevie water-quality nitrates water-testing drinking-water

Anyboby with experience in measuring IR emissions between 8-13 um ?

asked by @jfalquet spectroscopy ir question:general general

How to reduce pollution in simple way?

asked by @meenatibiswalcynixit pollution weather question:general general

Which is more accurate in measuring formaldehyde: air sampling tubes vs RKI FP-30?

asked by @BostonFern air-quality formaldehyde voc question:general

Air sampling tubes for formaldehyde: which brand is accurate?

asked by @BostonFern air-quality formaldehyde voc question:general

What is the air flow requirement for air sampling tubes? Any inexpensive method?

asked by @BostonFern air-quality formaldehyde voc question:general

How can you tell if a sheen on water is bacterial or petroleum (oil)?

asked by @stevie water-quality question:water-quality question:general general

anyone working on dataloggers for snow depth?

asked by @MadTinker datalogger snow question:general general

Can people make their own masks to protect from coronavirus?

asked by @joyofsoy air-quality indoor-air-quality question:general general

Public Chat bridge not working?

asked by @icarito question:general general

Making ink from petrochemical pollution?

asked by @hchalew air-quality waste pollution art

Are there any other professional instruments that measures different VOC besides PID (photoionisation detector)?

asked by @stevie formaldehyde voc question:general general

how do hygiene products effect bodies of water ?

asked by @Oc3anResearch3rs with @amallozzi water-sensing water-quality question:general general

Do you really need a special filter to filter out ultrafine particulates in the air?

asked by @BostonFern air-quality pm question:air-quality question:pm

Are there examples where environmental concerns were addressed as a result of people filing complaints (or suspected permit violations)?

asked by @stevie air-quality water-quality question:air-quality advocacy

What is global warming effect on natural disaster?

asked by @cspiller017_stu with @amallozzi gulf-coast hurricane climate-change global-climate-change

Do you have invasive cats claw (Macfadyena unguis-cati) in your yard?

asked by @ExtinctAnimals with @amallozzi plant-health invasive invasive-species plant-matter

Can fans be used to power a vehicle and if so how many will you need?

asked by @REVOLG with @amallozzi arduino raspberry-pi wind question:general

Does anyone have any tips for emptying hydra tank without damaging culture?

asked by @TheFreshHydraOfNola with @amallozzi water question:general general first-time-poster

What are ways to measure the environmental impact of food?

asked by @LUVAndLIVHealthyAlliance with @amallozzi agriculture food carbon question:general

Is gravel mining containing silica dangerous to the surrounding community?

asked by @annemolony413 industrial-monitoring air-quality mining silica

Microscope webcam lens fused on

asked by @Meculus question:general general

What factors affect coastal land loss on the Gulf Coast?

asked by @CoastalConstructionCrew504 with @amallozzi gulf-coast coastline soil erosion

How many squid should I dissect to determine the average amount of micro plastics in squid guts?

asked by @plasticsquid with @amallozzi question:general general squid question:microplastics

Can Public Lab's Lego Spectrometer be used to measure sunscreen in water?

asked by @amallozzi question:general general first-time-poster savetheocean

Does anyone aware of heat sensors that can record INDOOR heat intensity at 5-10 minutes intervals?

asked by @Filipaul temperature climate-change climate global

Does anyone have experience assembling low-cost VOC kits using Adafruit’s VOC sensor?

asked by @stevie air-quality question:air-quality voc question:general

can i measure solid samples with the lego spectrometer?

asked by @sound spectrometer lego question:general general

how can I measure the wavelength of a red led? I suspect it is about 650nm but I want to know how to measure it.

asked by @2globalvillage question:general general first-time-poster

Where can I find good low-cost air quality sensors?

asked by @mgoodwin air-quality air pm question:air-quality

What research have you come across that effectively centers community voices?

asked by @kgradow1 interviews housing quantitative question:general

Prerequisite Before Posting New Wiki

asked by @nicoleiocana question:general general first-time-poster

Does anyone have tips for making masks more effective for those who have a beard for religious reasons?

asked by @nshapiro question:general general covid-19 face-mask

What tests are recommended to check for toxicity levels in the home?

asked by @lahoyaq8 lead mold question:general general

What is the actual yield of a precipitation reaction between 1.50 grams sodium carbonate and 2.50 g of calcium chloride?

asked by @Sonia_2000 question:general general first-time-poster

A frac sand mine recently blasted 140 holes in a day. What might they be doing?

asked by @joyofsoy mining frac-sand parent:frac-sand question:general

What are ways we could model the absorption of chemicals by plastic waste?

asked by @mimiss water question:plastic question:general general

How long should you deploy babylegs for?

asked by @stevie micro-plastics question:general general question:micro-plastics

Can we use a Purple Air through a VPN?

asked by @stevie air-quality pm question:air-quality question:pm

Have you used surveys to inform open hardware development?

asked by @kgradow1 air-quality question:air-quality question:general general

What light sources might I use to calibrate my spectrometer if I don’t have a CFL available?

asked by @mimiss spectrometer spectrometry spectrometer-calibration spectral-workbench

Have you used the bucket air sampler or other grab sample tool?

asked by @kgradow1 air-quality question:air-quality question:general general

where is layer button in mapknitter?

asked by @pataxte mapknitter question:general general

Is the Purple Air sensor an EPA-validated tool?

asked by @kgradow1 air-quality pm question:air-quality question:pm

Can I use a clear case with the Infragram pi camera?

asked by @mimiss infrared infrared-camera infragram question:infragram

Is anyone working on the reception of satellite imagery using ham radio methods?

asked by @sashae weather radio question:general general

Which NO2 Sensor for low-concentration measurement?

asked by @Alex_Solaga air-quality question:air-quality question:general general

Can we add a 2um filter to the bucket monitor to capture particulates?

asked by @kgradow1 air-quality question:air-quality question:general general

mapknitter export stuck

asked by @pataxte mapknitter question:general general

What are ways to monitor for oil and gas spills on private property?

asked by @stevie air-quality water-quality question:air-quality question:water-quality

Does anyone know the upper spectrum range of the Pi NoIR Camera V2?

asked by @justin_bauer ndvi nir infrared agriculture

NDVI results from modified camera is inaccurate

asked by @ThomasTaufan ndvi filter infragram camera

Do we need instrumentation-grade steel for an air intake valve?

asked by @kgradow1 air-quality question:general general air-sensor

What do I need to know before collecting soil for the Hanby soil testing kit?

asked by @CherokeeConcernedCitizens soil soil-testing question:general general

Updated list of EPA TO methods?

asked by @kgradow1 air-quality question:air-quality question:general general

Recycling of compact disks

asked by @patrickdickson question:general general first-time-poster

How do you account for wind in an air study?

asked by @kgradow1 air-quality wind methods question:air-quality

Will high turbidity levels affect the babylegs trawl?

asked by @stevie water-quality question:water-quality question:general general

What diagnostic tools do you use when air sampling?

asked by @kgradow1 air-quality question:general general bucket-monitor

How accurate is data on WebFire?

asked by @ajg434 epa air-quality emissions question:air-quality

Where is non-compliance reported for fencline monitoring?

asked by @A_SCH epa refinery air-quality benzene

Do you have any tips for splicing DVD-Rs for spectrometer builds?

asked by @mimiss spectrometry question:spectrometry dvd build

What causes shimmering air above flares?

asked by @kgradow1 air-quality flare fire haze

How do I follow airplanes dispersing Corexit 9500? N932H N38WA N64766 N64767

asked by @eustatic health water-quality airplane dispersant

Effect of covid-19 on climate change?

asked by @shubham8705 question:general general first-time-poster

Documenting Public Lab projects on Github

asked by @kgradow1 question:general general

Interest in Hidrogen Sulfide Sensing

asked by @nhakhoaparis question:general general first-time-poster

infragram and Pi NoIR camera - NDVI not working

asked by @agentnightingale ndvi infragram pi question:general

Can People Check out This Cartoscope for Hurricane Laura?

asked by @eustatic gulf-coast photo aerial mapmill

Substitute diffraction grating for DVD?

asked by @msuphysicsformcb spectrometer spectrometry diffraction-grating question:spectrometer

For the Bucket Monitor, how many tedlar bags do you need per-sampling?

asked by @mimiss air-quality question:air-quality question:general general

i am new to this website , i am bit confuse how to get start , anyone can suggest me ??

asked by @mkay6123 help timer first question:general

question:general question:general spectrometer balloon-mapping answered vermont question:spectrometry

View date range

Select Custom Range

question:general
question:general