Community research

Welcome! This could be your dashboard if you joined Public Lab

Activity


Subscribe

New page by stevie

Project

about 4 hours ago | 0 | | 2 | 0

New edit by stevie

sandbox-comdev

Changes »

about 5 hours ago | 0 | | 10 | 0

New edit by stevie

sandbox-comdev

Changes »

about 5 hours ago | 0 | | 10 | 0

New edit by stevie

sandbox-comdev

Changes »

about 5 hours ago | 0 | | 10 | 0

New edit by stevie

Bourj Al Shamali Refugee Camp

Changes »

about 6 hours ago | 0 | | 425 | 3

New edit by stevie

Bourj Al Shamali Refugee Camp

Changes »

about 6 hours ago | 0 | | 425 | 3

New edit by stevie

Bourj Al Shamali Refugee Camp

Changes »

about 6 hours ago | 0 | | 425 | 3

New edit by stevie

Bourj Al Shamali Refugee Camp

Changes »

about 6 hours ago | 0 | | 425 | 3

New edit by warren

Sandbox

Changes »

about 19 hours ago | 1 | | 391 | 3

New edit by warren

Pi Camera

Changes »

about 23 hours ago | 0 | | 1,448 | 3

New edit by warren

Raspberry Pi Infragram

Changes »

about 23 hours ago | 0 | | 1,488 | 2

New page by stevie

Public Lab River Rat Pack

5 days ago | 0 | | 8 | 0

New page by warren

publiclab

6 days ago | 0 | | 5 | 0

New page by liz

sandbox-disaster

6 days ago | 0 | | 6 | 0

New page by warren

mini-camera

7 days ago | 0 | | 1 | 0

New page by warren

Mini Cameras

7 days ago | 0 | | 16 | 0

New page by stevie

sandbox-comdev

7 days ago | 0 | | 10 | 0

New page by warren

Web Style Guide

13 days ago | 0 | | 5 | 0

New page by geekychaser

GSoD Ideas

29 days ago | 0 | | 44 | 0

xose commented on Intro al espectrómetro de Public Lab en la Bilbao Maker Faire over 2 years ago

Woooow @pablo que buenisima noticia. Por desgracia me encuentro en A Coruña en el Ateneo de Proto...

stoft commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

There's still some clipping (source light intensity too high) so a comparison, using a cardboard ...

warren commented on A month in the field and nothing to show over 2 years ago

Also -- just a thought -- there are a few others testing this out too, so if you could take some ...

warren commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

Oh, interesting -- what types of bulbs were they?

xose commented on Fresh air collector over 2 years ago

First approach. Now we're powering it up using a potentiometer to control the fan revolutions and...

pablo commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

I've changed the bulb and used a less powerful one and I got good results: https://spectralworkbe...

pablo commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

Hi! I've followed all the recommendations (except refocus) but the blue hump is still there: http...

warren commented on Check out these Activity Grids over 2 years ago

Hi, Will -- sorry for the slow response, a lot happened (not least the Barnraising). Yes, there ...

warren commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

Great idea to constrain and track this down -- it might make a good new question in its own right...

stoft commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

No I don't think it is just inherent in the camera. The blue led has a fairly narrow spectrum (sa...

xose commented on Is there an iPhone app for foldable spectrometer? over 2 years ago

Hi there! I've been trying to use the spectralworkbench with IOS with no success using Browser ap...

warren commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

OK - i guess the blue bulge is just a limitation of the camera... i had forgotten exactly. But if...

pablo commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

I've focuses to 22cm, removed blue LED: https://spectralworkbench.org/spectrums/91509 The blue hu...

warren commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

I think the blue hump was something we saw a lot on those SYBA webcams, and believe it was relate...

stoft commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

I note that 1) your spectrum does "fit" though it is 2) "offset" a bit from center which is likel...

warren commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

I think you can use this old focus tutorial and do it empirically: https://publiclab.org/wiki/dsk...

pablo commented on an answer about Is the webcam from spectrometer v2.0 suitable for the upgrade to 3.0? over 2 years ago

Thanks @stoft and @warren. I've left the DVD as it was in spectrometer v2.0 (test: https://spectr...

warren commented on A month in the field and nothing to show over 2 years ago

Oh, that's great to hear. Good luck and we'll talk soon i hope!

bkleist commented on A month in the field and nothing to show over 2 years ago

@warren, I have gotten ahold of Dr. Pierce, and he said that the camera has come in, and is ready...

liz commented on Twin Peaks, Tb or Hg? over 2 years ago

Thanks @zega!

eustatic commented on Washington University visits the Gulf Coast and Maps! over 2 years ago

@eustatic awards a barnstar to stevie for their awesome contribution!

eustatic commented on Barnraising 2016 Photos over 2 years ago

eustatic commented on The Barnraiser 2016 -- early edition over 2 years ago

very fun! thanks, jeff for your innovative intragram layout work

stoft commented on High-Rez WebCam Spectrometers over 2 years ago

@stef, thanks for the curve data. While the data is useful for comparison with relative sensitivi...

mathew commented on 3D data from image sets & Autostitching over 2 years ago

Also Autodesk Recap 360 and ReMake

geography76 commented on Barnraising 2016 Photos over 2 years ago

32 crawfish heads

geography76 commented on Barnraising 2016 Photos over 2 years ago

stef commented on High-Rez WebCam Spectrometers over 2 years ago

khufkens-pi-camera-response-curves-3342e29_-3-.zip @warren,@stoft This may provide additional in...

eustatic commented on Barnraising 2016 Photos over 2 years ago

eustatic commented on Barnraising 2016 Photos over 2 years ago

SF Gate: Man caught attempting DIY fission

by warren almost 8 years ago | 0 | | 1,661 | 2

Infrared balloon image reveals Gowanus plume

by liz almost 8 years ago | 8 | | 537 | 2

Using an el Camino to reel in a giant kite

by warren almost 8 years ago | 0 | | 12 | 2

simple soda bottle rig stabilization with tape

by gonzoearth almost 8 years ago | 1 | | 2,203 | 0

Gowanus water absorption spectrum

by warren almost 8 years ago | 0 | | 60 | 0

Live spectral analysis code, good resolution

by warren almost 8 years ago | 2 | | 78 | 0

Tyvek Fleds, Theoretical & Actual Performance

by mathew almost 8 years ago | 1 | | 61 | 0

splitting bamboo for kites

by mathew almost 8 years ago | 1 | | 1,207 | 2

Near-infrared spectral features of Benzine

by warren almost 8 years ago | 0 | | 19 | 0

Gas patch Bucket Brigade work

by sara almost 8 years ago | 0 | | 12 | 0

Wiki pages you'll be needing:

by sara almost 8 years ago | 0 | | 619 | 0

Balloon-mapping a protest in Jerusalem

by warren almost 8 years ago | 1 | | 192 | 0

Balloon Mapping guide from Santiago, Chile

by Shannon almost 8 years ago | 0 | | 28 | 0

seamless distortion?

by gonzoearth almost 8 years ago | 0 | | 36 | 2

Scientists and "new" media

by Shannon almost 8 years ago | 0 | | 1,466 | 2

New Knitter features - plus UNDO

by warren almost 8 years ago | 1 | | 1,429 | 2

photoshop image distort time lapse video

by gonzoearth almost 8 years ago | 1 | | 59 | 0

Yet another soda bottle camera house

by gonzoearth almost 8 years ago | 2 | | 2,573 | 0

World Bank GFDRR data sharing article

by Shannon almost 8 years ago | 0 | | 27 | 2

3D Point Cloud

by lpercifield almost 8 years ago | 4 | | 146 | 2







A shared knowledge base for community science

New page by stevie about 4 hours ago

Project

New edit by stevie about 5 hours ago - changes

sandbox-comdev

New edit by stevie about 5 hours ago - changes

sandbox-comdev

New edit by stevie about 5 hours ago - changes

sandbox-comdev

New edit by stevie about 6 hours ago - changes

Bourj Al Shamali Refugee Camp

New edit by stevie about 6 hours ago - changes

Bourj Al Shamali Refugee Camp

New edit by stevie about 6 hours ago - changes

Bourj Al Shamali Refugee Camp

New edit by stevie about 6 hours ago - changes

Bourj Al Shamali Refugee Camp

New edit by warren about 19 hours ago - changes

Sandbox

New edit by warren about 23 hours ago - changes

Pi Camera

New edit by warren about 23 hours ago - changes

Raspberry Pi Infragram

New page by stevie 5 days ago

Public Lab River Rat Pack

New page by warren 6 days ago

publiclab

New page by liz 6 days ago

sandbox-disaster

New page by warren 7 days ago

mini-camera

New page by warren 7 days ago

Mini Cameras

New page by stevie 7 days ago

sandbox-comdev

New page by warren 13 days ago

Web Style Guide

New page by geekychaser 29 days ago

GSoD Ideas

More »

The easiest way to start with Public Lab community is to ask a question.

See others' questions and ask your own here:

Questions »


Getting started exploring a local issue or concern?

Write an issue brief »


Topics

air-quality agriculture arduino balloon-mapping formaldehyde lead legal microplastics mining noise oil particulate matter "pm" sensors stormwater user interface "ui" waste water-quality

More topics...