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warren 8146 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 served from 2015-17 as Vice President of the board of the Open Source Hardware Association, is 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.


Barnstars


102 questions asked

214 answers posted

53 activities posted

6 activities attempted


Joined about 7 years ago

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

by warren about 2 years ago | 5 | 2,425 | 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 about 2 years ago | 0 | 699 | 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 about 2 years ago | 0 | 857 | 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 about 2 years ago | 0 | 1,405 | 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 about 2 years ago | 3 | 1,151 | 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 | 838 | 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 | 2,076 | 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 over 2 years ago | 4 | 1,740 | 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 over 2 years ago | 4 | 2,349 | 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 over 2 years ago | 0 | 693 | 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 over 2 years ago | 3 | 1,224 | 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 over 2 years ago | 0 | 2,690 | 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 over 2 years ago | 2 | 1,095 | 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 over 2 years ago | 0 | 1,168 | 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 over 2 years ago | 0 | 1,267 | 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 over 2 years ago | 21 | 3,332 | 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 over 2 years ago | 5 | 1,233 | 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 over 2 years ago | 1 | 1,299 | 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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Web Working Group Monthly Recap 6: August 2015

by warren over 2 years ago | 0 | 1,438 | 1

A big month, but almost entirely for Spectral Workbench -- skip to the bottom to see those change...

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Public Lab Boston/Somerville coding meetup @ Parts & Crafts

by warren over 2 years ago | 3 | 2,765 | 2

Hi, all - next week, we'll be hosting a meetup at Parts & Crafts for folks interested in Public L...

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Preview of new Spectrums and Sets pages on Spectral Workbench

by warren over 2 years ago | 0 | 1,255 | 1

Hi, all - I just deployed preview versions of the new Spectral Workbench 2.0 Sets and Spectrums p...

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Prototyping simple paper connections

by warren over 2 years ago | 0 | 2,381 | 1

I'm thinking about easy to make and easy to manufacture paper linkages that require few materi...

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Wavelength range limiting in Spectral Workbench

by warren over 2 years ago | 1 | 1,641 | 0

Just a quick announce -- after [the big revision of Spectral Workbench went live](/notes/warren/0...

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Web Working Group Monthly Recap 5: July 2015

by warren over 2 years ago | 0 | 1,257 | 0

Hello again - a lot has happened since last month's Web Working Group recap, and mostly it's happ...

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Good guides on doing a photo survey of a site?

Accepted

warren asked about 11 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 12 months ago

Answers by warren

DIY methods for nitrate detection in food?

fez asked about about 1 year ago

Answers by warren

what causes spectral colors to be reversed?

vgoebel asked about about 1 year ago

Answers by warren

Fraunhofer Lines at higher resolutions?

stef asked about about 1 year ago

Answers by warren

How to get spectral data in excel or other formats

Accepted

suha asked about about 1 year ago

Answers by warren

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

Accepted

suman asked about about 1 year ago

Answers by warren

Can you process multiple images at the same time?

JonathanM32 asked about about 1 year ago

Answers by warren

Can we use rPi camera for fluorescence measurement in plants

yusufm asked about about 1 year ago

Answers by warren

How should I choose a secure/private file sharing system?

warren asked about about 1 year ago

Answers by warren

orientation of slit vs that of diffraction grating

wlkwong asked about about 1 year ago

Answers by warren

Video Infragram

Accepted

jfd asked about about 1 year ago

Answers by warren

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

soheilkh asked about about 1 year ago

Answers by warren

How do you get the Crenova Game and Trail Hunting Camera into time-lapse mode?

Accepted

stevie asked about about 1 year ago

Answers by warren

answered on Dec 07, 2016 0

answered on Feb 03, 2017 1

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Ambient/Light Bulb Testing

idev247 asked about about 1 year ago

Answers by warren

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

Accepted

warren asked about about 1 year 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?

Accepted

dhale2 asked about about 1 year ago

Answers by warren

Calibration of spectra fails

Paul_P asked about about 1 year ago

Answers by warren

Why copy calibration does not apply?

aelobo asked about about 1 year ago

Answers by warren

View these maps at MapKnitter.org »

Title Creation date Image


role:organizer skill:coding organizers place:somerville-ma organizer location:blurred place:somerville github:jywarren instagram:unterbahn group:education lat:41 lon:-71 wwg