warren 783 research notes and 10155 wiki edits | Joined over 6 years ago | Admin

The creator of GrassrootsMapping.org and co-founder and Research Director for Public Lab, Jeffrey Warren designs mapping and community science tools and professionally flies balloons and kites. He leads the coding community at Public Lab, and has developed the vector-mapping framework Cartagen and grassroots mapping tool MapKnitter, as well as open spectral database and toolkit Spectral Workbench.

He is on the board of of the Open Source Hardware Association and served from 2015-17 as Vice President, is on the board (since 2014) 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.

Photo by ChristopherVillafuerte.com CC BY-NC-SA 4.0


134 questions asked

4158 comments posted

74 activities posted

13 activities attempted






Squid Week at Public Lab!

by warren about 2 years ago | 1 | 181 views | 1


Balloon and Kite Mapping Stories, Part 1

by warren about 2 years ago | 0 | 296 views | 1


Web Working Group Update 18: May 2017

by warren about 2 years ago | 2 | 197 views | 0



Use Google Drive to share large photo collections

by warren about 2 years ago | 0 | 336 views | 1



Web Working Group Update 17: April 2017

by warren about 2 years ago | 0 | 222 views | 1




Stitching Images into Maps with MapKnitter

by warren over 2 years ago | 0 | 419 views | 2


Web Working Group Update 16: March

by warren over 2 years ago | 0 | 273 views | 1



Web Working Group Update 15: February

by warren over 2 years ago | 0 | 126 views | 0


Call for Summer of Code 2017 proposals!

by warren over 2 years ago | 30 | 484 views | 8



Environmental data management & analysis tools

by warren over 2 years ago | 4 | 317 views | 6


Laser-cut the Desktop Spectrometry Kit v3 box

by warren over 2 years ago | 8 | 922 views | 2





Web Working Group Update 14: January + 2016

by warren over 2 years ago | 0 | 131 views | 0












Are there any DIY equipment that measure dissolved oxygen levels in water?

belkinsa asked about about 1 year ago

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Can plastic trawls be used in rivers?

warren asked about about 1 year ago

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Raspberry pi operating system for Lego spectrometer

Aleksi12358 asked about about 1 year ago

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Moderate questions with machine learning.

Aleksi12358 asked about about 1 year ago

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What probes to get with data loggers?

pdhixenbaugh asked about about 1 year ago

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How to measure nutrient concetration in hydroponic system?

Aleksi12358 asked about about 1 year ago

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Where can you find historic flooding data?

stevie asked about about 1 year ago

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Mobius lens out of focus

tuomas_j_mattila asked about about 1 year ago

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What more data-layers can we show on map ?

sagarpreet asked about about 1 year ago

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Are there lists of plants and the chemicals they can remediate?

warren asked about about 1 year ago

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

Delaney asked about about 1 year ago

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Why do raw RGB values differ from calibrated RGB values? I thought calibration just set pixels to wavelength (nm)?

troyb asked about about 1 year ago

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What is the correct AQI measure ?

sagarpreet asked about about 1 year ago

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Dark images, can't get spectrometer to work

Tomas0413 asked about about 1 year ago

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Will this gadget work for spectrophotometry?

jjroper asked about about 1 year ago

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Problem with registration

Slava1 asked about about 1 year ago

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What should be appropriate marker for each environmental layer ?

sagarpreet asked about about 1 year ago

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Bug? My Spectrum loads then vanishes.

SarahC asked about about 1 year ago

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Amazon UK - Link for perfect CFL? All mine are wide spectrum phosphor!

SarahC asked about about 1 year ago

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View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
" :-) hopefully soon! I solved the first part of this issue and it's ready to be applied to other grids too! https://github.com/publiclab/plots2/is..." | Read more » 2 months ago
"Extending thanks for great work over the years, to @milaaraujo @stefannibrasil @IshaGupta18 @Ujitha @singhav @david-days !!! @lekhidugtal @gautami..." | Read more » 2 months ago
"Wow, I wouldn't have guessed that it'd show green with low power (i.e. no reading from the sensor, i'd imagine), so hearing that it turned white in..." | Read more » 2 months ago
" I'd love to combine this with a microscope activity to look at each of the powders for scale! " | Read more » 2 months ago
"@warren awards a barnstar to stevie for their awesome contribution! " | Read more » 2 months ago
"Wow, this is a really great activity! And great video!!! Did the cocoa take a while to clear out and return to green? " | Read more » 2 months ago
" @molangmuir10 @silentsairam @kayrufty check this out! " | Read more » 2 months ago
"I haven't seen this happen in part because it runs a /long/ time on a battery, but I have seen it when running on a solar panel without enough sunl..." | Read more » 2 months ago
"Although I'm not sure, but I think it's not possible to use multiple tags, like urbandeath,map-knitter -- so perhaps you'd have to make 3 separate ..." | Read more » 2 months ago
" Hi, this is really interesting -- I also noticed you were trying to make an inline questions grid but it didn't format correctly -- you have do do..." | Read more » 2 months ago
" Oh very interesting! I'm definitely curious! " | Read more » 2 months ago
"And: It is completely reframed as a means of connecting to a community, and materializes one of the key benefits of open source: shared knowledge...." | Read more » 2 months ago
" I keep rereading and finding new gems in here. I especially loved this phrase! featuring a community that suffers from the absence of any structu..." | Read more » 2 months ago
" Another I saw Sasha use a lot is "gratitude" and it really resonated with me. I had never thought about it in that way but a lot of our approach h..." | Read more » 2 months ago
"So, just recapping from a brief chat on this with @sashadev-sky today -- I'd LOVE to try to think of a name for this set of practices. Kind of like..." | Read more » 2 months ago
" Love this! I wonder if @bsugar or @pdurbin might be interested in this! (although does pdurbin have a PL account? http://github.com/pdurbin) " | Read more » 2 months ago
"no, that's right - sorry, it's "publiclab" by default for the WiFi password on pi-builder -- is that what you're looking for? On Thu, May 16, 2019..." | Read more » 2 months ago
" Hiiii!!!!! Could be related to: https://publiclab.org/questions/warren/10-29-2018/could-the-babylegs-diy-trawl-be-used-to-collect-microplastics-in..." | Read more » 2 months ago
"Awesome! They're just standard 1cm x 1cm ones. They don't fit amazingly in LEGO so I'd love to figure out a 3d-printable holder! On Sun, May 12, 2..." | Read more » 2 months ago
"Hi Sairam! We're working on a fix for the deletion bug! https://github.com/publiclab/mapknitter/issues/591 On Sat, May 11, 2019, 2:36 PM \<noti..." | Read more » 2 months ago
"Thanks! I've made a chart where we could mark them for "good" and "bad" and add other notes; I hope it's roughly correct: But if it's not, it's ..." | Read more » 2 months ago
"OK, update - since the B sensor was covered yesterday, it's now showed as "downgraded" just as the A was yesterday: My question now, is apart fr..." | Read more » 2 months ago
" Hi, cool! What is the range of concentrations this sensor can detect? Also, what are some of the use cases you have in mind... like, landfill fum..." | Read more » 2 months ago
"I especially wanted to note the shift, which was a major breakthrough of the DIAL UI project, away from listing all posts in a single "firehose," a..." | Read more » 2 months ago































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