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New page by bhamster

Making meaning of soil test results and reports

about 12 hours ago

New edit by bhamster

sandbox-interpret-soil-tests

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4 days ago

New edit by bhamster

sandbox-interpret-soil-tests

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4 days ago

New edit by bhamster

sandbox-interpret-soil-tests

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4 days ago

New page by bhamster

sandbox-interpret-soil-tests

4 days ago

New edit by bhamster

Filtering microplastics from sand

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4 days ago

New edit by stevie

Education

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4 days ago

New edit by warren

SoC ideas

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7 days ago

New edit by warren

Software Outreach

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7 days ago

New edit by warren

SoC ideas

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9 days ago

New page by bhamster

Bioassay

12 days ago

New page by bhamster

sandbox-bioassay

25 days ago

New page by stevie

sandbox-organizing

about 2 months ago

New page by amocorro

waterkeepers

about 2 months ago

New page by purl

Messages from the Mississippi: Lesson Plans

about 2 months ago

New page by warren

responses

2 months ago

New page by bhamster

Research Area Reviews Archive

3 months ago

New page by bhamster

sandbox-air-sensors

3 months ago

warren commented on The Squid and the Rok over 3 years ago

Great advice on the "tilting" fix -- this affected one of Liz's squids and we struggled to adjust...

MadTinker commented on Build KnowFlow: automatic water moniter over 3 years ago

@liz Sounds great. I think there are three parts and I'll probably ask for advice on posting as t...

warren commented on MapKnitter Annotations Plugin: Preliminary Specification over 3 years ago

Deleted some spam!

liz commented on Build KnowFlow: automatic water moniter over 3 years ago

Hi @madtinker, oh there's interest! as @shanlter said, the best place to document your build is b...

shanlter commented on Build KnowFlow: automatic water moniter over 3 years ago

@MadTinker, awesome!! I'm trying to get familiar with Public Lab's logic as well, I guess the bes...

cfastie commented on Graze anatomy over 3 years ago

The photos were processed with the Photo Monitoring plugin for FIJI which has a complete users gu...

saangpe commented on Graze anatomy over 3 years ago

You could give more details about how to process the images with Fiji and tried to replicate this...

cfastie commented on What's the best way to attach a camera to a balloon? over 3 years ago

Here is an easy camera rig you can build yourself. A parts list and complete instructions for ...

guolivar commented on an answer about Is it important to account for humidity using optical particulate matter monitors? over 3 years ago

You're right, the effect of humidity would be to change the "apparent" size but it's not just inc...

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping over 3 years ago

Saw some great suggestions -- i also added a "wind scale" table riffing on the Beaufort scale, wi...

MadTinker commented on Build KnowFlow: automatic water moniter over 3 years ago

@shantler @rockets et al... FWIW - I ordered the (majority) of the parts needed for a KnowFlow re...

Garret commented on ramanPi - The 3D Printable Raspberry Pi Raman Spectrometer over 3 years ago

The links to the hackaday website are no longer functional. Does anyone know of a working websit...

MadTinker commented on Sensor: ORP versus PH over 3 years ago

@gretchengehrke Thanks! That's kinda what I thought, but wasn't sure. I'll likely end up with bot...

gretchengehrke commented on Sensor: ORP versus PH over 3 years ago

Hi @MadTinker, oxidation-reduction potential (ORP) and power of hydrogen (pH) measure different c...

Sidney_AstroPlant commented on an answer about AstroPlant RPi sensory system over 3 years ago

Using NIR LEDs seems like a good option to look into and I'm happy to hear that I might not have ...

liz commented on Build KnowFlow: automatic water moniter over 3 years ago

Hi @xose , @shantler did create a method page, and this now appears there as an activity! Check i...

MadTinker commented on Build KnowFlow: automatic water moniter over 3 years ago

@rockets Thanks for the summary. I thought I was going to have to move in a different direction,...

jeffalk commented on an answer about Is it important to account for humidity using optical particulate matter monitors? over 3 years ago

My quick perusal of the attached pdf didn't find anything about effects of humidity. What you ...

cfastie commented on Red vs. blue filters for NDVI over 3 years ago

Sid, Pretty big difficulties. The sensor does not know what hit it. Each pixel produces a value ...

sid commented on Red vs. blue filters for NDVI over 3 years ago

This is excellent work here! I was wondering how software could help eliminate the tedious task ...

ramarro commented on Build KnowFlow: automatic water moniter over 3 years ago

@shanlter i havent wrote anything about my project its just an hobbies for my aquarium :) @rock...

cfastie commented on an answer about AstroPlant RPi sensory system over 3 years ago

A simple option might be to turn on some NIR LEDs when the photography happens. The NIR:VIS ratio...

rockets commented on Build KnowFlow: automatic water moniter over 3 years ago

DFR0504_Analog_Isolation_Module-V1.0-_Schematic.pdf here is the schematic of the isolator.

shanlter commented on Build KnowFlow: automatic water moniter over 3 years ago

Thanks @rockets! I hope this could help answering your questions, @ramarro. btw, The GUI of your ...

rockets commented on Build KnowFlow: automatic water moniter over 3 years ago

I just try translate youyou's answer into english. Q:The parts for the KnowFlow-esque are going ...

Sidney_AstroPlant commented on an answer about AstroPlant RPi sensory system over 3 years ago

The kit is fully enclosed with LED with a certain blue and red ratio (I have to verify what the e...

david_uwi commented on Simple data logger over 3 years ago

Thanks for bringing this to prominence again. I will attach the code that runs the microprocessor...

stevie commented on an answer about Is it important to account for humidity using optical particulate matter monitors? over 3 years ago

Hi Jeff, thanks! This is great. I'll copy the question link into that email chain as well. Think ...

stevie commented on an answer about Is it important to account for humidity using optical particulate matter monitors? over 3 years ago

Wow. These are awesome resources!! Thanks for clarifying the seeing/sizing distinction.

liz commented on A Questions page to encourage discussions through better UX over 3 years ago

hi @siyuan , I'm excited to help you get whatever other information you need to ideate and sketch...

DIY Drones

by gonzoearth almost 10 years ago

Birds at Grand Isle State Park

by warren almost 10 years ago

Spectrometry UROP 5/6/11 update

by Alex-McCarthy almost 10 years ago

Notes from 2011-5-6 staff call

by gonzoearth almost 10 years ago

Spectrometry UROP 5/5/11 update

by Alex-McCarthy almost 10 years ago

Hoya UV filter profiles

by warren almost 10 years ago

Antipodes: a journal of radical geography

by warren almost 10 years ago

Spectrometry UROP 4/28/11 update

by Alex-McCarthy almost 10 years ago

Exposure in the Gulf

by Shannon almost 10 years ago

No, we don't want to move.

by Shannon almost 10 years ago





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