warren 771 research notes and 10063 wiki edits | Joined about 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


24 questions asked

24 answers posted

72 activities posted

12 activities attempted












Writing a topic page on PublicLab.org

by warren 2 months ago | 2 | 61 views | 1


Assembling the Simple Air Sensor

by warren 2 months ago | 3 | 155 views | 3




Call for Summer of Code 2019 proposals!

by warren 3 months ago | 21 | 711 views | 3





Call for Summer of Code 2019 mentors!

by warren 4 months ago | 28 | 312 views | 5



Brainstorming for Summer of Code 2019

by warren 5 months ago | 71 | 872 views | 11








Report: 2019 Software Contributors Survey

by liz about 1 month ago | 5 | 155 views | 5

Public Lab has received support for students to work on Public Lab software projects via [Google'...

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Software Community Growth through "first-timers-only" issues

by gauravano about 2 months ago | 8 | 718 views | 7

first-timers-only issues are those which are written in a very engaging, welcoming way, far d...

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1. Setting up the Raspberry Pi Camera for Wireless Streaming

by partsandcrafts over 1 year ago | 10 | 2,801 views | 2

The Raspberry Pi Zero is an ama...

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Call for Outreachy 2019 proposals!

by gauravano 2 months ago | 18 | 248 views | 5

With support from the DIAL Open Source Center, we're again part of ...

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Microscope Webcam Conversion

by Bronwen about 1 year ago | 11 | 957 views | 1

<iframe width="560" height="315" src="https://www.youtube.com/embed/pt-9qPCBbQE" frameborder="0" ...

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Assembling the Raspberry Pi Microscope

by Bronwen 6 months ago | 7 | 214 views | 3

These are instructions for assembling the Raspberry Pi version of the microscope. These are posti...

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Introducing Pi Builder

by icarito 7 months ago | 4 | 624 views | 6

The Public Lab Kits Initiative uses Raspberry Pi cameras more and more, an...

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Notes from Tuesday’s frac sand call

by stevie 8 months ago | 6 | 202 views | 2

On Tuesday, September 11th, we held an open call in follow up to [previous discussions](https://p...

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Community Microscope-- THANK YOU

by Bronwen 11 months ago | 1 | 426 views | 1

Thanks to the 357 supporters of our recent Kickstarter campaign, the Community Microscope will so...

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Community Microscope Assembly Instructions

by Bronwen about 1 year ago | 7 | 601 views | 4

<iframe src="https://www.youtube.com/embed/BvAkvtV-Zog" allowfullscreen="" width="560" height="31...

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Overview: Hackteria Remix: Building a Basic Microscope with Raspberry Pi

by partsandcrafts over 1 year ago | 14 | 3,980 views | 8

A microscope at its core consists of 4 things being held in place in relationship to each other...

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Bay Area Maker Faire!

by stevie about 1 year ago | 0 | 454 views | 1

Public Lab will be hosting a community science space at the San Francisco Maker Faire this coming...

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Report: Particle Visualization Event

by stevie about 1 year ago | 0 | 282 views | 3

Testimonial: A farmer in Hixton Wisconsin stood up in front of the group and began to tell hi...

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4. Lighting Your Sample

by partsandcrafts about 1 year ago | 2 | 306 views | 1

Lighting is conceptually relatively straightforward but extremely important for microscopy. We ...

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2. Attaching Your Raspberry Pi Camera to a Microscope Objective Lens

by partsandcrafts over 1 year ago | 13 | 3,193 views | 8

For a full overview of this project, go to [Raspberry Pi Microscope Build](https://docs.google....

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6. Looking at Dust (and other things)

by partsandcrafts about 1 year ago | 2 | 365 views | 3

NOTE: This is the least-well-developed part of the process and is a complicated enough project t...

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5. Testing and Calibrating Your Microscope

by partsandcrafts about 1 year ago | 0 | 618 views | 2

Our goal is to look at dust particles and attempt to identify them by size and shape. In order ...

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6. Looking at Dust (and other things)

by partsandcrafts about 1 year ago | 0 | 6 views | 0

This is the least-well-developed part of the process and is a complicated enough project that i...

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3. Building a Basic Microscope Stage

by partsandcrafts over 1 year ago | 3 | 545 views | 3

The microscope stage holds the optics, the sensor, and the sample together in a fixed geometric...

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Quick Build: Basic Microscope Kit with Raspberry Pi

by partsandcrafts over 1 year ago | 15 | 834 views | 1

Quick build instructions for [Hackteria Remix Raspberry Pi Microscope](https://publiclab.org/note...

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Water Quality Regulations, Testing Methods, Health Risks & Advocacy

by gilbert over 1 year ago | 7 | 481 views | 0

![](https://lh6.googleusercontent.com/HfUlIUzOTPmJWnFZkKyj6sNxwBPjdNSzigqlre700SYxvKo3BLAoQ83BdBi...

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Making a Hackteria stage

by partsandcrafts over 1 year ago | 4 | 493 views | 4

We want to determine whether the Hackteria scope can be used as a cheap, affordable alternative...

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Introducing Image Sequencer: a pure JavaScript non-destructive image processing library for Node, browser and command line

by ccpandhare over 1 year ago | 0 | 565 views | 3

_This past summer, myself, Chinmay led a project (mentored by Jeff) as part of Google Summer of C...

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Practicing a PM hotspot survey in New Auburn, WI

by mathew about 2 years ago | 6 | 461 views | 2

Attempting a Hotspot survey in New Auburn, WI with: @Stevie, @Gretchen, @Warren, @marlokeno, Jonn...

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changing default webcam

julietalemus asked about 5 months ago

Answers

Any pole photos of community gardens?

pataxte asked about 6 months ago

Answers

answered on Nov 14, 2018 0

answered on Nov 19, 2018 0

Show all 2 answers »

Is Lego Spectrometer Kit able to detect Glucose?

kokoz asked about 6 months ago

Answers

answered on Nov 14, 2018 0

answered on Nov 20, 2018 0

Show all 2 answers »

Only seeing part of color spectrum

Accepted

msolomon asked about 6 months ago

Answers

answered on Nov 09, 2018 1

answered on Nov 09, 2018 0

Show all 2 answers »

How can we adjust the frequency of the coqui?

Accepted

liz asked about 7 months ago

Answers

answered on Nov 02, 2018 0

answered on Nov 03, 2018 1

Show all 2 answers »

Help us refine the search interface at PublicLab.org/search

warren asked about 7 months ago

Answers

answered on Oct 29, 2018 1

answered on Oct 30, 2018 0

answered on Oct 30, 2018 0

Show all 3 answers »

NDVI Numerical Values

Accepted

AgtechMan asked about 8 months ago

Answers

answered on Sep 28, 2018 0

answered on Sep 28, 2018 0

Show all 2 answers »

Infragram - Legacy sandbox formula

mrodriguezorejuela asked about 8 months ago

Answers

answered on Sep 11, 2018 0

answered on Oct 02, 2018 0

Show all 2 answers »

Where can we share well water data?

stevie asked about 10 months ago

Answers

answered on Aug 02, 2018 1

answered on Aug 08, 2018 0

answered on Sep 11, 2018 0

Show all 3 answers »

Raspberry pi operating system for Lego spectrometer

Accepted

Aleksi12358 asked about 10 months ago

Answers

answered on Jul 09, 2018 0

answered on Jul 10, 2018 0

Show all 2 answers »

Mobius lens out of focus

tuomas_j_mattila asked about 11 months ago

Answers

What more data-layers can we show on map ?

sagarpreet asked about 11 months ago

Answers

answered on Jul 12, 2018 0

answered on Oct 30, 2018 1

answered on Jan 14, 2019 1

Show all 3 answers »

View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
" Oh very interesting! I'm definitely curious! " | Read more » 2 days 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 days 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 days 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 days 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 days 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 days 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 » 3 days 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 » 6 days 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 » 6 days 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 » 8 days 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 » 9 days 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 » 9 days 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 » 10 days 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 » 10 days ago
"Also noting, as I commented in https://publiclab.org/notes/warren/04-22-2019/user-interface-projects-update-and-dial-osc-project-recap, that this S..." | Read more » 10 days ago
" Oh, sorry, i didn't see the screenshot in the email, maybe I didn't wait for it to load. Thanks! So, on a very detailed technical page like the r..." | Read more » 10 days ago
"One more thing! @gautami_gg and @lekhidugtal if you could both try to "follow" the #ui topic that would be great. Thanks! " | Read more » 10 days ago
"@gautami_gg and @lekhidugtal, this has been expanded upon and refined a bit with the Style Guide, and we may need to update these designs a bit. Bu..." | Read more » 10 days ago
"OK, and, as promised, here's our Draft Style Guide! https://publiclab.org/notes/warren/05-07-2019/introducing-a-draft-style-guide-for-public-lab ..." | Read more » 10 days ago
"Oh, interesting -- can you share a screenshot? In general, I am wondering if we can be quite sparing with colored buttons so as not to overwhelm pe..." | Read more » 10 days ago
" And linking this forward to the 2019 Public Lab Software Community Survey, which we ran for some months; here is the report: https://publiclab.or..." | Read more » 10 days ago
"@eustatic or @a1ahna ? " | Read more » 11 days ago
" @silentsairam would you have any interest in this? " | Read more » 11 days ago
"How can I add a Marker on the Location (lat, long coordinates)? Right now I am could view the exact area of the place but I don't know where I am e..." | Read more » 11 days ago































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