liz commented on Your input kindly requested!

Hi Folks! Thanks everyone who's sent in their thoughts in so far :) There are just a few more day...

2 comments » 16 days ago

gretchengehrke commented on Turbidity sensor prototype

@donblair, I was just reading this again, and am again impressed by your elegantly simple approac...

6 comments » 17 days ago

gretchengehrke commented on Turbidity Sensor

@bhikman, that integrated optical filter is neat, and surprisingly inexpensive! If you do pick th...

15 comments » 17 days ago

rockets commented on Build KnowFlow: automatic water moniter

@MadTinker obviously you order a wrong one, you should order sen0169, I will help you to solve it...

49 comments » 17 days ago

MadTinker commented on Build KnowFlow: automatic water moniter

@shanlter @rocket Unfortunately, I was/am in a time crunch and just followed the parts list put t...

49 comments » 18 days ago

liz commented on plotsbot test note

hi plotsbot!

3 comments » 18 days ago

warren commented on Why can't I calibrate? Glitch?

Can you link us to your calibration attempt? Sorry you're having trouble!

4 comments » 20 days ago

cfastie commented on Cheap, lightweight GoPro alternatives for aerial mapping?

Here is a strange development. This action camera has a 1MP sensor. It is a 1/4" sensor which has...

3 comments » 20 days ago

gretchengehrke commented on Turbidity Sensor

Hi @bhickman and @ggallant! I was just reading this research note and comments again, and it soun...

15 comments » 20 days ago

warren commented on Sandbox

Testing comments @tester !!

1 comments » 21 days ago

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...

49 comments » 21 days ago

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 » 22 days ago

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 » 22 days ago

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 » 23 days ago

shanlter commented on Build KnowFlow: automatic water moniter

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

49 comments » 23 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 » 24 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...

2 comments » 25 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...

49 comments » 27 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 » 27 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...

49 comments » 28 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 » 28 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 » 28 days ago

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 » 28 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 » 28 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 » 29 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...

6 comments » 29 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...

49 comments » 29 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 » 30 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 » 30 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 » 30 days ago