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New edit by warren

Coqui conductivity sensor

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23 minutes ago | 0 | | 1,821 | 21

New edit by warren

Coqui conductivity sensor

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23 minutes ago | 0 | | 1,821 | 21

New edit by Bronwen

MiniVol TAS Particulate Matter Monitor

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India

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Raspberry Pi Infragram

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OpenHour

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BabyLegs

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Public Lab River Rat Pack

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publiclab

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sandbox-disaster

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mini-camera

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Mini Cameras

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sandbox-comdev

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Web Style Guide

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GSoD Ideas

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Public Lab Store

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warren commented on GoPro Hero HD first version- Making full spectrum( Removing IR filter) over 2 years ago

Via @wildintellect on the plots-infrared discussion list: Replace the lens, there are several af...

kanarinka commented on Designing Tools for Learners (Not Users) over 2 years ago

@warren - I love this - "I'm thinking that if we design as if all technology is for newcomers, it...

kanarinka commented on Designing Tools for Learners (Not Users) over 2 years ago

Thanks @Cindy_Excites - these are super resources and I have not seen them previously. I wonder h...

stevie commented on an answer about Is there any way to figure out how much water can be absorbed by different ground covers? over 2 years ago

Hi Chris! Sorry I didn't get a notification you wrote in here, so just seeing this now (off to Gi...

stevie commented on How do environmental monitoring methods become recognized or official by US regulatory agencies? over 2 years ago

RE:: @DavidMack posting your resource as an answer to the question. Thanks for sharing:: see "Gu...

cindy_excites commented on Designing Tools for Learners (Not Users) over 2 years ago

Hello @kanarinka I couldn't access the paper to read it (their sever seems to be having issues ri...

mathew commented on Sizing particles in microscope images at Portland Science Hackday over 2 years ago

That is an interesting question. I think the laser would get rid of chromatic aberration-- its a...

GreenHunan commented on Impressive stats from GreenHunan over 2 years ago

Thank you for your detailed introduction! This is Phil volunteering for Green Hunan, and we are l...

GreenHunan commented on 拓展diy净水组件 over 2 years ago

Hi there, thanks for sharing! May I ask if this kit can be used for educational purposes?

marlokeno commented on Sizing particles in microscope images at Portland Science Hackday over 2 years ago

Hi, @mathew and @SimonPyle - Terrific work! After seeing the demonstration mathew gave at the b...

marlokeno commented on Silica (frac) Sand Research over 2 years ago

Hi, @bkleist- One thought regarding the moisture obscured lens-if the camera is in an enclosure, ...

FrankA commented on Mobius NDVI over 2 years ago

https://youtu.be/Vff--FWRfTo addendum how to file : sorry about the Clip quality.... NEW clip to...

warren commented on Reduce light inside foldable PL spectrometer over 2 years ago

Oh great! Do check out this node.js lib designed originally for work in a raspberry pi! https://...

xose commented on Reduce light inside foldable PL spectrometer over 2 years ago

By the way, the research on the foldable spectrometer got a little bit delayed because of this. B...

xose commented on Reduce light inside foldable PL spectrometer over 2 years ago

Hey @warren It was a pleasure to assist to the inner workings of the lab and really great info to...

warren commented on WebJack: Testers needed! over 2 years ago

Well, just asking about the positive pin shown on the Fritzing diagram -- 5 volts -- which is not...

rmeister commented on WebJack: Testers needed! over 2 years ago

Not sure what 5V pin you mean, but yes a 4-pin cable is need to connect to the microphone input o...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

Hi, i dug into the code a bit and found the section I think we need to modify, but it's WebGL, an...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

Indeed, i used Scott's posted images and got the same issues. But then I tried cropping them to ...

warren commented on Reduce light inside foldable PL spectrometer over 2 years ago

Hello @xose! Very glad to meet you over audio today. I came across this: https://quitter.se/noti...

warren commented on WebJack: Testers needed! over 2 years ago

Hi, I noted that on the WebJack page, the illustration shows the use of the 5v pin, but here it's...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

Cool, thanks. I took a pic of a grid with my Mobius (an old one, i'm not actually sure of the len...

eustatic commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

See https://publiclab.org/notes/eustatic/11-11-2014/a-method-for-distorting-mobius-action-cam-ima...

SimonPyle commented on Automating ImageJ for particle image analysis over 2 years ago

@warren: The link above was the most recent version, though I just added a GNU GPLv3 license and ...

mathew commented on Size of aerial imagery from balloons and kites over 2 years ago

Yes, thanks, Chris! I was focusing on finding the right image, not getting the right numbers in.

cfastie commented on an answer about Size of aerial imagery from balloons and kites over 2 years ago

Mathew, that diagram is a little misleading. A lens with a 45° field of view (focal length of 44m...

mathew commented on Size of aerial imagery from balloons and kites over 2 years ago

Chris's simplified answer is illustrated in our balloon mapping guide: Most camera lenses have...

mathew commented on Automating ImageJ for particle image analysis over 2 years ago

There is a large folder of sample image sets avaialble. I put a smaller set together here: https:...

mathew commented on analyzing passive monitors over 2 years ago

You can see more about the shape descriptors for each particle here: https://publiclab.org/notes/...

Hydrogen Sulfide Testing-glove bag

by sara over 7 years ago | 3 | | 94 | 0

Picavet PET rig

by mathew over 7 years ago | 5 | | 248 | 0

Aurora Tang's Balloon Closing Method

by mathew over 7 years ago | 4 | | 166 | 1

Android phone hacked as radiation detector

by warren over 7 years ago | 1 | | 3,826 | 0

Introduction to Spectral Workbench

by warren over 7 years ago | 0 | | 48 | 0

Thermal photo

by warren over 7 years ago | 0 | | 1,008 | 2

Sprout HEAT dinner thermal images

by warren over 7 years ago | 0 | | 1,263 | 2

Spectral wine comparison

by warren over 7 years ago | 0 | | 1,566 | 0

H2S film strip bag test

by Shannon over 7 years ago | 0 | | 1,252 | 2

Bibliography for Hydrogen Sulfide Research

by sara over 7 years ago | 1 | | 89 | 0

lead in brass snap swivels

by mathew over 7 years ago | 0 | | 226 | 2

QUESTION?

by leeuwenstein over 7 years ago | 1 | | 1,128 | 2

H2S film strip recommendations

by Shannon over 7 years ago | 0 | | 1,539 | 2

H2S film strip test #2

by Shannon over 7 years ago | 2 | | 61 | 0

Thermal flashlight with supply list links

by Shannon over 7 years ago | 0 | | 31 | 2

Storyboard sketches for thermal flashlight

by warren over 7 years ago | 0 | | 4,024 | 0

"Hamster ball" alternative to Roomba

by warren over 7 years ago | 5 | | 72 | 0







A shared knowledge base for community science

New edit by warren 23 minutes ago - changes

Coqui conductivity sensor

New edit by warren 23 minutes ago - changes

Coqui conductivity sensor

New edit by gauravano about 16 hours ago - changes

India

New edit by warren 3 days ago - changes

Raspberry Pi Infragram

New edit by mimiss 4 days ago - changes

OpenHour

New edit by warren 4 days ago - changes

BabyLegs

New page by stevie 4 days ago

Public Lab River Rat Pack

New page by warren 5 days ago

publiclab

New page by liz 5 days ago

sandbox-disaster

New page by warren 6 days ago

mini-camera

New page by warren 6 days ago

Mini Cameras

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sandbox-comdev

New page by warren 12 days ago

Web Style Guide

New page by geekychaser 28 days ago

GSoD Ideas

New page by Bronwen 29 days ago

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