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





The last three weeks in Google Summer of Code

by warren about 3 years ago | 0 | 52 views | 0


Last week in Google Summer of Code

by warren about 3 years ago | 1 | 39 views | 1


Last week in Google Summer of Code

by warren about 3 years ago | 0 | 31 views | 1


This week in Google Summer of Code

by warren about 3 years ago | 0 | 44 views | 0





Tweaks to foldable mini-spectrometer design

by warren about 3 years ago | 6 | 1,822 views | 3



Early design ideas for the Rich Editor project

by warren about 3 years ago | 9 | 46 views | 0


Announcing a new dashboard for PublicLab.org

by warren about 3 years ago | 0 | 60 views | 1


Great introductory packaging

by warren about 3 years ago | 2 | 132 views | 2




spectral-workbench released for Node.js

by warren over 3 years ago | 3 | 71 views | 2


Google Summer of Code 2016: draft proposals

by warren over 3 years ago | 0 | 117 views | 1






Announcing Spectral Workbench 2

by warren over 3 years ago | 0 | 265 views | 3





Quantitative analysis of wood moisture

MarcioPamplona asked about over 1 year ago

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Camera module for Computer Vision/LED Plant Measurement System

SangHo asked about over 1 year ago

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600 year old cedar tree - Infragram

Randall asked about over 1 year ago

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Has anyone built a secchi disk before?

stevie asked about over 1 year ago

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What should we look for when sourcing turbidity tubes?

stevie asked about over 1 year ago

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How can I can make a raspberry pi camera just with the filters process the crops and immediately produce the results to a computer or to other device, without having to use the website?

csteran asked about over 1 year ago

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Looking for a simple DIY microscope stage design with parallel plates

warren asked about over 1 year ago

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Modified TDS sensor as Conductivity Sensor?

MadTinker asked about over 1 year ago

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How to make this picture in an NDVI image

Davide_Ferrante asked about over 1 year ago

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

stefannibrasil asked about over 1 year ago

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What is an easy-to-use phone app for public to record air quality issues? #air #app #tech

zengirl2 asked about over 1 year ago

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

Bronwen asked about over 1 year ago

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Add a filter on a Pi NoIR camera

fsxskillz asked about over 1 year ago

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How do I use pH strips to test pH?

warren asked about over 1 year ago

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Uploading images from raspberry pi.

cedarlodge asked about over 1 year ago

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Browser notifications for answers to your questions?

warren asked about over 1 year ago

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What do respirable silica particles (frac sand pollution) look like?

warren asked about over 1 year ago

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What do you think about this new design sketch for a Welcome page?

warren asked about over 1 year ago

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Have you used the particle atlas?

Ag8n asked about over 1 year ago

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Kite altitude question

Ag8n asked about over 1 year ago

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View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
" " | Read more » 3 months ago
" Hmm, can you share a link to the spectrum you're working on? If it was working yesterday but not today maybe it has to do with the data somehow; ..." | Read more » 3 months ago
" Hi, @rkpattnail780, I wanted to offer my appreciation for your proposal and wish we could accept more projects each year. Thank you for your work ..." | Read more » 3 months ago
"I guess I'm saying in particular that moving the integration-with-plots2 step later in your schedule may help your code be more independent and sel..." | Read more » 3 months ago
"And finally, I want to encourage you both to try building a completely bare-bones system first; don't sweat about the styling, the different graph ..." | Read more » 3 months ago
"Actually, @sidntrivedi012 will also be working on a stand-alone library that plugs into a Rails app -- Spectral Workbench Capture! So, this is a go..." | Read more » 3 months ago
" Hi @ishaGupta18! I wanted to be sure you and @namangupta connect about the shared parts of your project. I think it's worth also connecting with @..." | Read more » 3 months ago
"Awesome to see many of you today!! On Mon, May 6, 2019, 6:25 PM \<notifications@publiclab.org> wrote: Hi! There's been a response to your r..." | Read more » 3 months ago
"This is great, thanks @kkoerner -- and interesting to see that they'll flag sensors. I wonder how much two would have to not correlate before it go..." | Read more » 3 months ago
"Hi @read_holman - just dropping some links in here after chatting! Very cool rigorous field evaluations of many many air sensors: http://www.aqmd..." | Read more » 3 months ago
" Added a line on the increase in "Outreachy/GSoC season"! :raised_hands: " | Read more » 3 months ago
"thanks, Chris, i haven't seen any LEDs burn out yet, and we've been running them for weeks in some cases. If they do, i'll definitely add in a resi..." | Read more » 3 months ago
" Actually i just found if you force in the white connector on the side of the sensor, it's often the loose part and you can get the light to turn r..." | Read more » 3 months ago
" The #simple-air-sensor is supposed to show red-yellow-green, but I've seen them turn white when malfunctioning. Try unplugging it and plug it back..." | Read more » 3 months ago
"We can mark it answered soon, no worries! Thank you very much!!!! On Wed, Apr 24, 2019, 9:10 PM \<notifications@publiclab.org> wrote: Hi! T..." | Read more » 3 months ago
"Yes, you should be able to -- see the sidebar where the images are listed and it should show a button if it can detect EXIF GPS tags! This one does..." | Read more » 3 months ago
" https://mapknitter.org/maps/solar shows an image like this, using a color mapping which is often used in thermal photography: " | Read more » 3 months ago
" @rexagod @sashadev-sky this is perhaps something you could answer? Thank you! " | Read more » 3 months ago
"@lekhikadugtal @divyabaid16 @souravirus @sylvan @bansal_sidharth2996 @milaaraujo @stefannibrasil and many more, this may be interesting!!! If you'd..." | Read more » 3 months ago
"Hi @read_holman! Sorry to respond slowly here. I do think we could try for an accessible evaluation. How much would it cost to buy 2x of each of t..." | Read more » 3 months ago
" @julieta @nanocastro have either of you used 2 sensors in your DIY #plantower -based devices? #maca etc? " | Read more » 3 months ago
"And just linking to here, where the wiki page documents the 2 channels, which i would guess are from the 2 sensors? https://publiclab.org/wiki/purp..." | Read more » 3 months ago
"@CBarnes9 @samr @Tomp @OrionAllgaier @wu_ming2 @guolivar @BrandonFeenstra @kkoerner, any thoughts or info to share on exactly what the #purpleair d..." | Read more » 3 months ago
" Awesome!!! " | Read more » 3 months ago































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