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How to power the KnowFlow?

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Question by rockets about 1 hour ago | 0 | 0

rockets commented on Build KnowFlow: automatic water moniter

hi @madtinker, I know what you worry about it. I will say that the power bank is oK, since the ma...

44 comments » about 2 hours ago

Why can't I calibrate? Glitch?

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Question by hanswilms about 3 hours ago | 0 | 0

New edit by stevie

Barnraising

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about 8 hours ago | 0 | 19

New page by stevie

Appalachia Barnraising 2017

about 8 hours ago | 0 | 0

Appalachia Barnraising 2017 Tweets

by stevie about 8 hours ago | 0 | 1

mathew commented on Redstone Rig 2.0

Real cool Chris! Glad to see these advancing. I love the new adjustable-mount position tray.

3 comments » about 10 hours ago

Starlight Recorder KIC8462852

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Question by LightWaveResearch8000 about 11 hours ago | 0 | 0

New edit by liz

Moderation

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about 12 hours ago | 0 | 2

bsugar commented on Exporting GoogleGroups

Here is a jupyter notebook of how to use the library programmatically (e.g. not via the command l...

6 comments » about 14 hours ago

New edit by stevie

Host an event

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about 15 hours ago | 0 | 2

New edit by stevie

Events

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about 15 hours ago | 0 | 4

New edit by chirurgie

Microscope

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about 16 hours ago | 0 | 0

belkinsa commented on Software for mapping trees?

Building of @cfastie's comment, you could use Open Street Map and the waypoint functions without ...

4 comments » 1 day ago

Exporting GoogleGroups

by bsugar 2 days ago | 6 | 2

shanlter commented on Build KnowFlow: automatic water moniter

Hi @MadTinker, I was told that 5V is fine, the board can automatically convert the voltage.

44 comments » 2 days ago

gretchengehrke commented on What do you do if your environmental concern is linked to your neighbor's paycheck?

@eustatic, That's a good point. Does GRN work with any folks who are employed by one of the oil c...

2 comments » 2 days ago

warren commented on Problem with rotating the image

Hi, this is for MapKnitter, right? Have you clicked on the image? Also, what browser are you usin...

1 comments » 4 days ago

shanlter commented on Build KnowFlow: automatic water moniter

Hi @MadTinker , yes you are right, the battery I'm using is the one in your link. But you can use...

44 comments » 5 days ago

briankruse commented on Assembly completed but the camera doesn't work.

Hello, I have a similar problem. The camera initially worked, but has stopped after maybe ten mi...

1 comments » 5 days ago

MadTinker commented on Build KnowFlow: automatic water moniter

@shantler I'm probably missing something, but the battery shown in the link in the components lis...

44 comments » 6 days ago

gretchengehrke commented on What are ways to record ambient temperature every 5 sec and export easily?

@carohowe, Agreed! I read a paper a while ago (which I can't seem to find now) that demonstrated ...

5 comments » 6 days ago

eustatic commented on What do you do if your environmental concern is linked to your neighbor's paycheck?

it depends on the degree of retaliation a company is willing to pursue. it's easiest to fire the...

2 comments » 6 days ago

New edit by liz

Events

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6 days ago | 0 | 4

suman commented on Introducing the calibration plugin for ImageJ/Fiji

Hello Ned, I tried using different exposure settings now, and its working, the pixels aren't satu...

35 comments » 6 days ago

shanlter commented on Monitor transparency, dissolved oxygen, ORP, and ammonia from a river

Hi @gretchengehrke, sorry for responding late, I was in a temple with no internet access in the p...

4 comments » 7 days ago

carohowe commented on What are ways to record ambient temperature every 5 sec and export easily?

Thanks @gretchengehrke -- that's definitely what we're looking into! So many of DC's food deserts...

5 comments » 7 days ago

carohowe commented on Seeking DC-area folks interested in building temperature sensors for urban heat island measurement

Thanks so much @liz @stevie and @bronwen for your input. Liz, I think it's a fantastic idea to us...

5 comments » 7 days ago

MadTinker commented on Build KnowFlow: automatic water moniter

@shantler @rockets FWIW- came home today with a mailbox literally full of 'stuff'. Also, many tha...

44 comments » 8 days ago

bronwen commented on What are some options for low cost methane monitoring?

This article is behind a paywall, but some of the tools/methods listed might be worth doing some ...

2 comments » 8 days ago

gretchengehrke commented on What are ways to record ambient temperature every 5 sec and export easily?

Hi @carohowe, this sounds like an interesting project! In addition to broadly looking at the impa...

5 comments » 8 days ago

liz commented on Software for mapping trees?

Hi Sebastian, i know OpenTreeMap is quite a big platform at this point, but considering how many ...

4 comments » 8 days ago

New page by stevie

Microscope

9 days ago | 0 | 0

stevie commented on Seeking DC-area folks interested in building temperature sensors for urban heat island measurement

Hi! The I See Change project was in Harlem not DC, but it might be a good example to check out.

5 comments » 9 days ago

nedhorning commented on Introducing the calibration plugin for ImageJ/Fiji

Hi Suman - Using Analyze => Measure should work. It's not uncommon to have high pixel values for ...

35 comments » 9 days ago

Redstone Rig 2.0

by cfastie 9 days ago | 3 | 1

warren commented on Web-based fisheye-removal prototype for correcting lens distortion

Actually i'm pretty jazzed for the possibility of some of actually doing the lens correction for ...

18 comments » 9 days ago

warren commented on Seeking DC-area folks interested in building temperature sensors for urban heat island measurement

@stevie was talking about a project with ISeeChange.org in DC -- Stevie, did you have a link, or ...

5 comments » 9 days ago

New edit by warren

Data Logging

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9 days ago | 0 | 2

warren commented on "Use or calibrate calibration" dont show my reference CFL already calibrated

Hi, can you link to the spectra you're talking about so we can see? Thanks!

1 comments » 10 days ago

BaptisteLeSergent commented on ramanPi - The 3D Printable Raspberry Pi Raman Spectrometer

Hello, Like Garret said a few days ago, we can't access the hackaday website anymore. Does anyon...

35 comments » 10 days ago

suman commented on Introducing the calibration plugin for ImageJ/Fiji

Dear Ned Horning, I calculated image calibration coefficients, using the reflectance data from d...

35 comments » 10 days ago

cfastie commented on Web-based fisheye-removal prototype for correcting lens distortion

I tried with a photo from a PowerShot S100. That's the only camera I have other than the Mobius t...

18 comments » 10 days ago

warren commented on Mobius non-fish eye and small lifter wrapup

Hi, @patcoyle - managed (with some help) to get the web-based lens distortion removal system work...

2 comments » 10 days ago

warren commented on Web-based fisheye-removal prototype for correcting lens distortion

OK - the GoPro clones can be corrected with: a: 1, b: 1, Fx: 0.16, Fy: 0.16, scale: 1.087, x: 1,...

18 comments » 10 days ago

New edit by stevie

Stormwater Monitoring

Changes »

12 days ago | 0 | 1

Software for mapping trees?

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Question by icarito 13 days ago | 4 | 2

New page by warren

Mapping Requests

20 days ago | 0 | 0

New page by warren

Mapping Requests Template

20 days ago | 0 | 0

New page by gilbert

remote-sensing

22 days ago | 0 | 1

New page by stevie

Sensor enclosures

23 days ago | 0 | 0

New page by liz

protest-mapping

24 days ago | 0 | 0

New page by liz

KnowFlow

26 days ago | 0 | 2

New page by stevie

Water Sensors

26 days ago | 0 | 2




A shared knowledge base for community science

New edit by stevie about 8 hours ago - changes

Barnraising

New page by stevie about 8 hours ago

Appalachia Barnraising 2017

New edit by liz about 12 hours ago - changes

Moderation

New edit by stevie about 15 hours ago - changes

Host an event

New edit by stevie about 15 hours ago - changes

Events

New edit by chirurgie about 16 hours ago - changes

Microscope

New edit by liz 6 days ago - changes

Events

New page by stevie 9 days ago

Microscope

New edit by warren 9 days ago - changes

Data Logging

New edit by stevie 12 days ago - changes

Stormwater Monitoring

New page by warren 20 days ago

Mapping Requests

New page by warren 20 days ago

Mapping Requests Template

New page by gilbert 22 days ago

remote-sensing

New page by stevie 23 days ago

Sensor enclosures

New page by liz 24 days ago

protest-mapping

New page by liz 26 days ago

KnowFlow

New page by stevie 26 days ago

Water Sensors

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