Community research

pmvecc commented on Lego Spectrometer

@warren cool, I ordered a lego kit last week so once it arrives I will be happy to try and figure...

3 comments » 17 days ago

warren commented on Lego Spectrometer

I think that's a great idea -- perhaps if you develop a prototype lego attachment we could offer ...

3 comments » 17 days ago

pmvecc commented on Lego Spectrometer

Could a fiber optic coupling be added to the spectrometer by an end-user so that it can be used i...

3 comments » 17 days ago

warren commented on Sanity check for air sensors

Hi, Jeff - if you can't get it to work, please feel free to email it to me at jeff@publiclab.org ...

13 comments » 17 days ago

jeffalk commented on Sanity check for air sensors

I'll try placing the graph again. I'm sometimes clutzy at this stuff! I'm trying to use jpg for...

13 comments » 17 days ago

jiteovien commented on PM 2.5 Air Quality Index for Keller, Texas

@pdhixenbaugh If I understand your comment correctly, that is exactly the point I am trying to ma...

9 comments » 17 days ago

jiteovien commented on PM 2.5 Air Quality Index for Keller, Texas

@jeffalk PM concentrations do not have meaning if there isn't an understanding of how the concent...

9 comments » 17 days ago

xuhulk commented on Help us test public water fountains in NYC for lead!?

I'm based in Bed-Stuy and the Lower East Side, and I'm very interested!

12 comments » 17 days ago

xose commented on How do you get the red LED on the pi camera to turn off?

Hi @zixaq I've done this before using Raspberry pi 2b and the original raspberry pi camera V2. Wh...

4 comments » 17 days ago

guolivar New Contributor commented on Sanity check for air sensors

I'll try to unpack a couple of things here. The use of zero filters is standard practice as a qu...

13 comments » 18 days ago

Zengirl2 commented on Sanity check for air sensors

@jeffalk does it work if you convert image to jpg format?

13 comments » 18 days ago

jeffalk commented on Sanity check for air sensors

I tried to drag an image, tried copying and pasting, tried putting the image into a WORD document...

13 comments » 18 days ago

Ag8n commented on Sanity check for air sensors

I agree that the original data should be used. But, if the sanity check is not zero, that result ...

13 comments » 18 days ago

warren commented on Sanity check for air sensors

you should be able to just drag in an image to the text area! On Tue, Sep 4, 2018 at 6:05 PM \&l...

13 comments » 18 days ago

jeffalk commented on Sanity check for air sensors

Nice "sanity check" for pm "real time" monitors. I'd suggest it is always good practice when te...

13 comments » 18 days ago

warren commented on What are your thoughts on this initial sketch for a Tag page on PublicLab.org?

Hi, all - getting back into this real quick -- if folks have input, it's really useful to think a...

5 comments » 18 days ago

kkoerner New Contributor commented on Public Lab Providence has a PurpleAir

@zengirl2 I agree, the ambient network can be a little scarce in Philly, we have six PM 2.5 monit...

12 comments » 18 days ago

imvec commented on Citizen log v1

UPDATE We've recently noticed that the database is only downlodeable creating a user so, we've in...

1 comments » 18 days ago

pdhixenbaugh commented on PM 2.5 Air Quality Index for Keller, Texas

Isn't he doing not a 24 h average, but a week average in this case? That sounds like it would hav...

9 comments » 19 days ago

jeffalk commented on PM 2.5 Air Quality Index for Keller, Texas

jiteovien: I realize you have put a considerable amount of effort into your project and are tryin...

9 comments » 20 days ago

vidit commented on Web Working Group Update 23: August 2018

Thanks for the amazing opportunity!! 😃 🎉

4 comments » 20 days ago

amirberAgain commented on PM 2.5 Air Quality Index for Keller, Texas

Here is a google Colab recreating this: https://colab.research.google.com/drive/1rADQ9hbIEP-DO1hs...

9 comments » 21 days ago

eustatic commented on Check up on Bayou Bienvenue 22 August 2018

nice

5 comments » 22 days ago

jiteovien commented on Low-cost air quality sensors to measure PM2.5, PM10?

@bigmit37 I can't answer that for sure but I would recommend getting the one designed for outdoor...

5 comments » 22 days ago

jiteovien commented on PM 2.5 Air Quality Index for Keller, Texas

Hey @jeffalk . I am well aware that the Purple Air data sheets are logged in units µg/m3. I refer...

9 comments » 22 days ago

warren commented on Public Lab Providence has a PurpleAir

OK interesting and now it's green again, and i guess because of averaging, the spike doesn't appe...

12 comments » 22 days ago

warren commented on Public Lab Providence has a PurpleAir

Oh wow, I literally saw the dot change from yellow to orange as I watched the map! You can see th...

12 comments » 22 days ago

warren commented on Public Lab Providence has a PurpleAir

Just a note that at 12:42 today (friday) two people with leaf blowers went by clearing the sidewa...

12 comments » 22 days ago

stevie commented on Check up on Bayou Bienvenue 22 August 2018

Just finished a map! https://mapknitter.org/embed/bayou-bienvenue--2

5 comments » 22 days ago

bigmit37 New Contributor commented on Low-cost air quality sensors to measure PM2.5, PM10?

@jiteovien It seems there are three versions, two for outdoors and one for indoors? Does the in...

5 comments » 23 days ago