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warren 7612 research notes and wiki edits | Admin

The creator of GrassrootsMapping.org and co-founder and Research Director for Public Lab, Jeffrey Warren designs mapping and civic science tools and professionally flies balloons and kites. Notable software he has created include the vector-mapping framework Cartagen and orthorectification tool MapKnitter, as well as open spectral database and toolkit Spectral Workbench.

He is Vice President of the board of the Open Source Hardware Association, on the board of alternative education program Parts and Crafts in Somerville MA, and an advocate of open source software, hardware, and data. He co-founded Vestal Design, a graphic/interaction design firm in 2004, and directed the Cut&Paste Labs project, a year-long series of workshops on open source tools and web design in 2006-7 with Lima designer Diego Rotalde.

Jeff holds an MS from MIT and a BA in Architecture from Yale University, and spent much of that time working with artist/technologist Natalie Jeremijenko, building robotic dogs and stuff. To find out more, visit Unterbahn.com.


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71 questions asked

148 answers posted

2530 comments posted



Call for input on upcoming Rich Editor and Rich Wiki projects for PublicLab.org

by warren over 1 year ago | 9 | 892 | 1

Hi, all - we're launching a new project for the PublicLab.org website to completely revise the re...

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spectral-workbench released for Node.js

by warren over 1 year ago | 0 | 760 | 1

I spent a little time over the past few days to do a test, and was able to get the JavaScript por...

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Google Summer of Code 2016: draft proposals

by warren over 1 year ago | 0 | 1,852 | 1

Hello! If you're on some of the Public Lab discussion lists, especially the [dev list](...

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Honlian 60s LED nail polish hardener, various LED fluorescence updates

by warren over 1 year ago | 10 | 990 | 0

A nail polish hardening, USB-powered UV lamp at 398nm, for under $4. Read on! I've been c...

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Web Working Group Monthly Recap 11: February 2016

by warren over 1 year ago | 1 | 714 | 0

This past month was very exciting -- we [announced Spectral Workbench 2](/notes/warren/02-10-2016...

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BostonJS talks focused on welcoming new coding contributors

by warren over 1 year ago | 6 | 1,127 | 2

I'm speaking tonight at BostonJS, and some of the other speakers are doing really amazing talks o...

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Preliminary LED and isopropyl alcohol solvent tests for oil fluorescence analysis

by warren almost 2 years ago | 6 | 1,980 | 4

Just wanted to post a followup to @matej's post about the Sunview Luncheonette event -- we had a ...

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Announcing Spectral Workbench 2

by warren almost 2 years ago | 0 | 4,219 | 4

A couple weeks ago, we soft-launched Spectral Workbench 2, a...

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Web Working Group Monthly Recap 10: January 2016

by warren almost 2 years ago | 0 | 764 | 0

Hi, all - this month's Web Working Group recap is very exciting, as we've launched Spectral Workb...

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Baseline noise removal test in Spectral Workbench 2

by warren almost 2 years ago | 9 | 698 | 0

I want to test out some of the new tools in [Spectral Workbe...

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Tube fluorescent lamps for spectrometer calibration

by warren almost 2 years ago | 13 | 1,002 | 2

I wanted to follow up on this post with a couple screenshots of an attempted calibration I jus...

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Ongoing design of compact cuvette frame

by warren almost 2 years ago | 9 | 1,727 | 2

Continue spare-time development of a smaller, more stable and compact, multi-use cuvette frame...

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Testing high-brightness 405nm LEDs in fluorescence spectroscopy of oils

by warren almost 2 years ago | 5 | 2,382 | 1

After a [great 2015 Barnraising session](/notes/warren/11-30-2015/bolt-and-acrylic-cuvette-hol...

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Web Working Group Monthly Recap 9: December 2015

by warren almost 2 years ago | 0 | 697 | 0

Happy new year, folks! This is Recap 9, but we missed the month of November, so we'll be cover...

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A year of Rackspace

by warren almost 2 years ago | 0 | 854 | 3

Some of you may have noticed that at the foot of many Public Lab web pages, we mention [Rackspace...

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Bolt and acrylic cuvette holder research

by warren almost 2 years ago | 0 | 1,397 | 0

I want to try a bolt-and-plate acrylic skeleton for a more rigid attempt at a cuvette holder, ...

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Issues 1-3 of The Barnraiser

by warren almost 2 years ago | 3 | 1,138 | 3

At this year's Barnraising, @patcoyle, @marlokeno, @lombana and I published a dai...

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Barnraising Lightning Talks

by warren about 2 years ago | 0 | 834 | 0

We heard a bunch of 5-minute presentations after lunch at the Barnraising today; ...

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Oil sample concentration session at Barnraising

by warren about 2 years ago | 2 | 2,062 | 2

We're having a great discussion on how to concentrate oil samples collected from sheens and other...

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An "open open hardware" development cycle

by warren about 2 years ago | 4 | 1,715 | 2

Greetings! Starting today, we're adopting a more open, but also more integrated development proce...

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Slit holder for Desktop Spectrometer

by warren about 2 years ago | 4 | 2,340 | 1

Drawing on input from @stoft (here) and @ygstcu, and ideas @mathew's posted in the...

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Web Working Group Monthly Recap 8: Ocobter 2015

by warren about 2 years ago | 0 | 690 | 0

Late again this month; apologies! Busy time of year. Let's jump right into it: This is no...

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Week 3: Recap from Oil Testing Kit Beta Program weekly chat

by warren about 2 years ago | 3 | 1,221 | 0

Hi, all -- we had a quick chat today and folks are preparing samples and troubleshooting the scan...

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Vitamin E fluorescence in some baby oils -- and relevance to the Oil Testing Kit

by warren about 2 years ago | 0 | 2,676 | 1

Since we use mineral oil in the Oil Testing Kit as a non-fluorescing solvent, I was surprised ...

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LEAFFEST 2015 day one in photos

by warren about 2 years ago | 2 | 1,093 | 7

We're wrapping up a great first day of LEAFFEST 2015, for which I've prepared a daily publication...

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Web Working Group Monthly Recap 7: September 2015

by warren about 2 years ago | 0 | 1,165 | 0

This month's work was a bit sporatic (for me, at least) because of the Public Lab staff retreat a...

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Week 2: recap from Oil Testing Kit Beta Program: Assembly and Calibration

by warren about 2 years ago | 0 | 1,262 | 0

Hi, all - welcome to the Week 2 recap; we just wrapped up the weekly chat and some folks are maki...

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New wavelength calibration procedure preview for Spectral Workbench 2.0

by warren about 2 years ago | 21 | 3,236 | 1

There's long been talk about a more intuitive, more precise, all-around better wavelength cali...

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Week 1: Recap from Oil Testing Kit Beta Program kickoff chat

by warren about 2 years ago | 5 | 1,230 | 1

Hi, all - thanks to those who attended the kickoff chat. We'll be meeting in the same place, same...

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Oil Testing Kit Schedule and Kickoff

by warren about 2 years ago | 1 | 1,297 | 1

Hi, all! We're glad to see that folks are receiving the last part of their OTKs, and starting to ...

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Training in odor identification?

Sara asked about 1 day ago

Answers by warren

Does the Beer Lambert law apply to the opacity of reagents?

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warren asked about 3 days ago

Answers by warren

answered on Nov 20, 2017 0

answered on Nov 20, 2017 0

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Best PLab demo ideas for a large group?

pdhixenbaugh asked about 10 days ago

Answers by warren

Helium alternative

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mrw0116 asked about 13 days ago

Answers by warren

How do I assemble the mini-balloon kit?

asnow asked about 16 days ago

Answers by warren

What's happening at the 2017 Barnraising?

warren asked about 20 days ago

Answers by warren

How do I easily set up a Raspberry Pi SD card?

warren asked about 23 days ago

Answers by warren

What sessions would people like to have at the 2017 Barnraising?

warren asked about 28 days ago

Answers by warren

answered on Oct 27, 2017 2

answered on Oct 27, 2017 1

answered on Oct 27, 2017 1

answered on Oct 30, 2017 1

answered on Oct 30, 2017 2

answered on Oct 31, 2017 1

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How do I access the wiki?

partsandcrafts asked about 28 days ago

Answers by warren

How to connect a creative cam notebook with a smartphone?

KushalKC asked about about 1 month ago

Answers by warren

Need your feedback on Tag pages

tommystyles asked about about 1 month ago

Answers by warren

answered on Nov 15, 2017 1

answered on Nov 15, 2017 0

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How big is the filter in the infragram DIY filter pack?

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robotfarms asked about about 1 month ago

Answers by warren

Has anyone used a RasPi camera in a DIY microscope?

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bmela asked about about 1 month ago

Answers by warren

What are good sources of cheap bulk giant mylar balloons?

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warren asked about about 1 month ago

Answers by warren

Is there an offline version of Mapknitter?

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stevie asked about 2 months ago

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How big are silica particles, in microns?

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warren asked about 2 months ago

Answers by warren

What should we do at LEAFFEST?

cfastie asked about 2 months ago

Answers by warren

answered on Sep 19, 2017 2

answered on Sep 19, 2017 1

answered on Sep 19, 2017 2

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How can I add credit for main photo on Wiki?

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Zengirl2 asked about 2 months ago

Answers by warren

What are some sources of new aerial imagery of Harvey damages?

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warren asked about 2 months ago

Answers by warren

answered on Sep 12, 2017 0

answered on Sep 13, 2017 0

answered on Sep 16, 2017 0

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How do I join a volunteer Disaster Response Team for flooding?

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warren asked about 3 months ago

Answers by warren

What is the best way to formalize connecting needs with offers?

bsugar asked about 3 months ago

Answers by warren

answered on Sep 08, 2017 0

answered on Sep 08, 2017 0

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How much do different oil pollution tests cost?

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warren asked about 3 months ago

Answers by warren

What does oil pollution mean for my health?

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warren asked about 3 months ago

Answers by warren

What could teenagers do to support Harvey response efforts?

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warren asked about 3 months ago

Answers by warren

How do I collect a sample for laboratory analysis?

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warren asked about 3 months ago

Answers by warren

How big are smoke particles, in microns?

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warren asked about 3 months ago

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Calibaration or switching scale?

jayjay70 asked about 3 months ago

Answers by warren

How To Make Time Lapse Spectrometer

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LightWaveResearch8000 asked about 4 months ago

Answers by warren


How do I install a bootloader on a Riffle data logger?

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warren asked about 5 months ago

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Assembly completed but the camera doesn't work.

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1987123 asked about 5 months ago

Answers by warren

Desktop Spectrometry Kit to arduino?

jjoll asked about 5 months ago

Answers by warren

How can we get rid of spam on the main PL page?

marlokeno asked about 5 months ago

Answers by warren

Can anyone help with weather station recommendations?

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stevie asked about 5 months ago

Answers by warren

Cheap, lightweight GoPro alternatives for aerial mapping?

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warren asked about 6 months ago

Answers by warren

answered on Jun 12, 2017 0

answered on Jun 14, 2017 0

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How can real-time camera monitoring be set up?

cherylh asked about 6 months ago

Answers by warren

answered on May 16, 2017 0

answered on Jun 19, 2017 0

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

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stevie asked about 7 months ago

Answers by warren

answered on May 12, 2017 0

answered on May 12, 2017 1

answered on May 16, 2017 0

answered on May 22, 2017 1

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Decibel meters for iPhones?

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warren asked about 7 months ago

Answers by warren

Is this government security warning on NOAA new?

marlokeno asked about 8 months ago

Answers by warren

Good guides on doing a photo survey of a site?

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warren asked about 8 months ago

Answers by warren

answered on Mar 14, 2017 0

answered on Mar 14, 2017 0

answered on Apr 10, 2017 0

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JDEPC-OV05 camera intelligent exposure

tim_spec asked about 9 months ago

Answers by warren

what causes spectral colors to be reversed?

vgoebel asked about 10 months ago

Answers by warren

Fraunhofer Lines at higher resolutions?

stef asked about 10 months ago

Answers by warren

How to get spectral data in excel or other formats

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suha asked about 10 months ago

Answers by warren

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

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suman asked about 10 months ago

Answers by warren

Can you process multiple images at the same time?

JonathanM32 asked about 11 months ago

Answers by warren

orientation of slit vs that of diffraction grating

wlkwong asked about 11 months ago

Answers by warren

Video Infragram

Accepted

jfd asked about 11 months ago

Answers by warren

Ambient/Light Bulb Testing

idev247 asked about 12 months ago

Answers by warren

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

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warren asked about 12 months ago

Answers by warren

answered on Dec 05, 2016 0

answered on Dec 05, 2016 0

answered on Jul 23, 2017 0

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Spectral Workbench recording time?

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dhale2 asked about 12 months ago

Answers by warren

Calibration of spectra fails

Paul_P asked about 12 months ago

Answers by warren

Why copy calibration does not apply?

aelobo asked about 12 months ago

Answers by warren

Intensity for spectra too low?

chuynh451 asked about about 1 year ago

Answers by warren

Is there an iPhone app for foldable spectrometer?

CanfieldC asked about about 1 year ago

Answers by warren

Can you share a link to project documentation?

vwls asked about about 1 year ago

Answers by warren

Error on calibrating uploaded spectrum

sarahcm asked about about 1 year ago

Answers by warren

Can anyone help me troubleshoot my NDVI imagery?

abdul asked about about 1 year ago

Answers by warren

How to process images using a mobius with an IR lens?

Accepted

miguel_rosas asked about about 1 year ago

Answers by warren

lightweight air quality sensors for a weather balloon

glenc asked about about 1 year ago

Answers by warren

answered on Oct 12, 2016 0

answered on Jun 19, 2017 0

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how to delete my spectra on Spectral Workbench

redleon asked about about 1 year ago

Answers by warren

Can I upgrade a DIY spectrometer with a Raspberry Pi camera?

warren asked about about 1 year ago

Answers by warren

How can I reduce ambient light inside the Desktop Spectrometry Starter Kit?

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warren asked about about 1 year ago

Answers by warren

answered on Sep 20, 2016 0

answered on Sep 20, 2016 0

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What's the best way to archive/store a timelapse video?

warren asked about about 1 year ago

Answers by warren

answered on Sep 16, 2016 0

answered on Dec 08, 2016 0

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Has anyone used a timelapse camera in stream monitoring?

stevie asked about about 1 year ago

Answers by warren

Question: What is the Open Source Community's Take the MIT License?

Accepted

nshapiro asked about about 1 year ago

Answers by warren

Does the new Question feature work?

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warren asked about over 1 year ago

Answers by warren

How to rename a set on Spectral Workbench?

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AndrewJamesLaplante asked about over 1 year ago

Answers by warren

Question: How do I get the calibration user interface?

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PeterDH asked about over 1 year ago

Answers by warren

View these maps <a href='//mapknitter.org/profile/warren'>at MapKnitter.org &raquo;</a>

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