warren 783 research notes and 10154 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

View these maps at MapKnitter.org »

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Comment Last activity Moderation
"I'm on the prowl for very small, short, mini USB cables now. I really want to find some with right-angle heads, since the connectors account for mu..." | Read more » almost 7 years ago
"I'd been looking into decoding audio for an unrelated, semi-silly project some time ago: https://github.com/jywarren/hellschreiber-js and by the w..." | Read more » almost 7 years ago
"Great progress, Don! http://phenomnomnominal.github.com/docs/tuner.html pitch detection! " | Read more » almost 7 years ago
"I need to borrow a few other Android devices to confirm, but my fear is that the latest Opera Mobile version introduced a bug causing this behavior..." | Read more » almost 7 years ago
"Hi! On Android, you just have to download Opera Mobile, and you can go to https://spectralworkbench.org/capture to use Spectral Workbench. It's a w..." | Read more » almost 7 years ago
"OK, i got inspired and wrote a basic macro "sandbox console". You can now write simple macros as described at: http://publiclaboratory.org/wiki/sp..." | Read more » almost 7 years ago
"I put together a macro that saves the image offline. Now I need to make a macro system on SpectralWorkbench.org! http://publiclaboratory.org/wiki/..." | Read more » almost 7 years ago
"Hi Stu - sorry, the best way to do inline images is to upload them as attachments, then use HTML IMG tags, a bit cumbersome. We're working on a smo..." | Read more » almost 7 years ago
"The bright bulbs must be the ones with extra coatings to look "warmer" - mostly terbium and europium I think. See some of the cfl spectra on spectr..." | Read more » almost 7 years ago
"Posted updated designs on a paper insert for a conduit box design. I was looking carefully at your design in the process. Have you been able to tes..." | Read more » almost 7 years ago
"The design is scaled, so if you download you can see the dimensions. But the basic unit is a 1" square -- i.e. it forms a 1x1 square tube. You're r..." | Read more » almost 7 years ago
"Well, if we can come up with an easy calculation, I could code some JavaScript to find your location based on your IP address, and tell you the tim..." | Read more » almost 7 years ago
"MFarmer - would you be willing to post a new research note about your design, with the additional photos and the sketchup model? I'd love to start ..." | Read more » almost 7 years ago
"Hi Bill - as I'm an admin, i can help embed the youtube video in the body of your post. Interested? " | Read more » almost 7 years ago
"Hey buzzy - we'll be posting some instructions soon, check out the early design diagrams here for the papercraft version: http://publiclaboratory.o..." | Read more » almost 7 years ago
"No, haven't had a chance... still looking a bit moire-ed https://spectralworkbench.org/spectra/show/900 I was going to try putting a diffuser in ..." | Read more » almost 7 years ago
"rsevs3 - yes, and I've been working on webcam code for the Raspberry pi and would love to collaborate: https://github.com/jywarren/irkit/issues/1 ..." | Read more » almost 7 years ago
"Hi, Peter - we have gotten as low as 360 nm, and i think the glass cutoff is 350. There is some brainstorming on how to get lower than 350 on this ..." | Read more » almost 7 years ago
"Wow, this is very cool. I've been doing sample prep this morning, eager to try techniques like this for the analysis. " | Read more » almost 7 years ago
"Man, Middlebury should put out a postcard and pay you royalties... " | Read more » almost 7 years ago
"Wow, chris, this is pretty incredible, and not only because of the soundtrack... The lead image is amazing!! Especially how suddenly it changed si..." | Read more » almost 7 years ago
"If used while carrying a GPS tracker, seems like it would be a very effective way to map H2S. " | Read more » almost 7 years ago
"That GasBadge Plus looks great: Continuous event-logging is a standard feature... Optional Cal Plus™ calibration station and Datalink accessories ..." | Read more » almost 7 years ago
"Wow, this looks great. I didn't see any mention of rights, however; we may have to contact the guy. Any doubt, comment, imprecision, etc., please ..." | Read more » almost 7 years ago


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