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lizimu commented on Methane absorption band at around 1100nm

hello.Your tutorial on spectrum analysis has expired. Would you like to send it again?

1 comments » about 17 hours ago

New edit by shanlter

Host a Barnraising 举办一个谷仓聚会

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about 22 hours ago | 0 | | 3

Cbarnes9 commented on Why are the PM10 particles of the Purpleair monitor biased so high?

Hello everyone, sorry for the late replies; I am posting the field study results from AQMD that I...

5 comments » 1 day ago

New edit by warren

Community Microscope Kit

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New edit by warren

Community Microscope Kit

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1 day ago | 0 | | 9

New edit by warren

sandbox-2

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1 day ago | 2 | | 0

jeffalk commented on Why are the PM10 particles of the Purpleair monitor biased so high?

@cfastie is certainly correct in his comments that each of the purple air devices reads, in gener...

5 comments » 1 day ago

pataxte new contributor commented on Any pole photos of community gardens?

well, my response didn't work online, but here it is via email! On 11/15/18 10:33 PM, notifica...

3 comments » 1 day ago

pataxte new contributor commented on Any pole photos of community gardens?

Hi Liz--this is Daniela Soleri--thanks for the link! Not sure if this is where I respond to your...

3 comments » 1 day ago

xose commented on Is a Water Proof Solar Raspberry Pi Camera project viable?

Hi @icarito! What we have done with our ANOIAcam in relation to the battery is to open a regular ...

7 comments » 1 day ago

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

Hello, sorry for the delay.. so here is the final project view have a look at it and let me know ...

32 comments » 1 day ago

david_uwi commented on Is Lego Spectrometer Kit able to detect Glucose?

Both glucose and sucrose solutions are colourless so visible light is not going to work. A homema...

1 comments » 2 days ago

icarito commented on Is a Water Proof Solar Raspberry Pi Camera project viable?

Thanks @xose for your input! I've little to no experience with this sort of hacking and am still ...

7 comments » 2 days ago

liz commented on Any pole photos of community gardens?

Hi @pataxte , have a look at https://publiclab.org/tag/5bf and then please contact us about which...

3 comments » 2 days ago

New edit by liz

Water quality

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sandbox-sitemap

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Locations

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Locations

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sandbox-2

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New edit by liz

sandbox-2

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warren commented on Laser cut Community Microscope stages

(just testing something) [graph:/i/27694.csv]

2 comments » 2 days ago

warren commented on Is a Water Proof Solar Raspberry Pi Camera project viable?

(just testing something) [graph:/i/27694.csv]

7 comments » 2 days ago

warren commented on sandbox-2

[graph:/i/27694.csv]

2 comments » 2 days ago

roberts_ecofarm commented on Inexpensive conductivity probe Step 1 - Sensor Probe design (revised)

So, after reviewing my drawings I discovered I'd made a huge mistake on the cell constant (K) in ...

2 comments » 3 days ago

xose commented on Is a Water Proof Solar Raspberry Pi Camera project viable?

Sorry, yes, the upper right is the solar panel. In relation to the battery needed I really don't ...

7 comments » 4 days ago

xose commented on Is a Water Proof Solar Raspberry Pi Camera project viable?

Hi @icarito! In that setup we're using this solar panel to lipo pcb, and from that to the Witty P...

7 comments » 4 days ago

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

OK, sounds good. Thank you! On Wed, Nov 14, 2018 at 9:06 AM \<notifications@publiclab.org>...

32 comments » 4 days ago

cfastie commented on Why are the PM10 particles of the Purpleair monitor biased so high?

The field evaluation report linked above includes 78 graphs comparing the results of a Purple Air...

5 comments » 4 days ago

stevie commented on Why are the PM10 particles of the Purpleair monitor biased so high?

Hi @Cbarnes9 thanks for sharing out the questions! I'm also curious where you're referencing the...

5 comments » 4 days ago

warren commented on Can I upgrade a DIY spectrometer with a Raspberry Pi camera?

Some serious progress has been made on this, for running SpectralWorkbench on the Raspberry Pi an...

5 comments » 4 days ago

warren commented on Microscope Webcam Conversion

:-) good to know!!! We're looking for slightly better webcams now too. We found this one is pret...

10 comments » 4 days ago

warren commented on Can anyone provide direction for technical problems using the lego spectrometer thanks

Hi, @mblumhar - thanks for the suggestion. I think it makes sense. I've isolated out the code wh...

3 comments » 4 days ago

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

@warren, which databases do you use? I need to know so that I can generate an algorithm for it. T...

32 comments » 5 days ago

shanlter commented on Microscope Webcam Conversion

Thanks @warren, finally I bought at taobao with the price of 1.7USD each. I think you have a pret...

10 comments » 6 days ago

mathew commented on Airpup: designing a kite balloon

@Ag8n Yes, the Jalbert Kytoons! I covered them and a few other historical kite balloons here: htt...

10 comments » 6 days ago

Ag8n commented on What type of aerosol was used for the calibration of the purpleair lasers?

The purple air monitors have a low r2 value for the pm10 testing. This may lead to the skewing t...

2 comments » 6 days ago

guolivar commented on Does particle composition that the purple air monitors measure greatly skew the data output?

Following on @jeffalk answer, please expand on your question. In my opinion (and I've worked in a...

2 comments » 6 days ago

guolivar commented on What type of aerosol was used for the calibration of the purpleair lasers?

As far as I know Plantower hasn't disclosed that (to be fair, I don't think any of the low-cost m...

2 comments » 6 days ago

exekutive new contributor commented on UV measurements

Are there any materials which fluoresce only under a fairly narrow band around 365nm?

5 comments » 6 days ago

Water Monitoring Network

by roberts_ecofarm 8 days ago | 0 | | 1

New page by warren

Comment templates

9 days ago | 0 | | 0

Trigo NIR

by aceitesdelmaule new contributor 10 days ago | 0 | | 0

UV measurements

Post an answer

Question by exekutive new contributor 12 days ago | 5 | | 1

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infrapi

17 days ago | 0 | | 0

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First-time posters

18 days ago | 0 | | 0

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LEL

19 days ago | 0 | | 0

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Infragram Pi

19 days ago | 0 | | 0

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Infragram Pi Camera

19 days ago | 0 | | 0

New page by warren

Pi Builder

21 days ago | 0 | | 1

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UI feedback template

22 days ago | 0 | | 0

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Photo comment template

22 days ago | 0 | | 0

New page by warren

Privacy Tools

23 days ago | 0 | | 0




A shared knowledge base for community science

New edit by warren 1 day ago - changes

Community Microscope Kit

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Community Microscope Kit

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sandbox-2

New edit by liz 2 days ago - changes

Water quality

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sandbox-sitemap

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Locations

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Locations

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sandbox-2

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sandbox-2

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Comment templates

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infrapi

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First-time posters

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LEL

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Infragram Pi

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Infragram Pi Camera

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Pi Builder

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UI feedback template

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Photo comment template

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