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yrodriguezd

about 18 hours ago | 0 | 0

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Make a Public Lab spectrometer

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about 21 hours ago | 1 | 0

New edit by warren

Madeira

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1 day ago | 0 | 1

New edit by stevie

Host a Barnraising

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1 day ago | 0 | 1

New page by stevie

Host a Barnraising

1 day ago | 0 | 1

New edit by liz

SmART-Form

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1 day ago | 0 | 1

New edit by gretchengehrke

Sensors

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1 day ago | 0 | 0

New edit by warren

Madeira

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2 days ago | 0 | 1

New edit by stevie

Frac Sand Legislation

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2 days ago | 0 | 0

New edit by stevie

Introduction to Particulate Matter

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2 days ago | 0 | 6

New edit by stevie

Hydrogen Sulfide Regulations

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2 days ago | 0 | 1

New page by warren

Madeira

2 days ago | 0 | 1

New edit by warren

Developers

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2 days ago | 0 | 14

New page by warren

Air Sensors

4 days ago | 0 | 0

New page by gretchengehrke

Sensors

4 days ago | 0 | 0

New page by warren

lego

4 days ago | 0 | 0

New page by warren

Lego Spectrometer

6 days ago | 0 | 2

New page by warren

Basic Microscope Kit

9 days ago | 0 | 1

Kits Initiative 2017 Wrap Up!

by bronwen 11 days ago | 0 | 1

New page by warren

activity-template

11 days ago | 0 | 0

Activate impact: fund boldness

by mlamadrid 11 days ago | 0 | 0

New page by stevie

pH

12 days ago | 0 | 0

warren commented on cek

Hi! What are you looking to do here? Can we help?

1 comments » 12 days ago

warren commented on Setting up the Raspberry Pi Camera for Wireless Streaming

Hi! http://partsandcrafts.org/pi_microscope/raspbian_preload isn't working for me -- and how big ...

8 comments » 12 days ago

cfastie commented on Engineered Histograms

I used Fiji (ImageJ) to make the histograms of the NDVI images. Fiji will make a couple of differ...

15 comments » 12 days ago

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping

And cover design coming together here! https://docs.google.com/presentation/d/1ochr6gQm6JO-Eg0Nzt...

12 comments » 12 days ago

Tehnicni commented on PLab Spectrometer Gain-Correction

How a stupid mistake. I checked linearity of all 3 cameras at three points, thinking that it have...

25 comments » 12 days ago

warren commented on Autonomous Recording Unit

Wow, this is a great page! If you're still working on it, we'd love to see some updates -- we're ...

1 comments » 13 days ago

warren commented on What information do I need to assess if a data logger and sensor will be compatible?

@cfastie - i remember you highlighted a few different interfaces Arduinos can use -- i2c, analog....

2 comments » 13 days ago

warren commented on Hydrogen Sulfide Testing With Black and White Film

Also note this PDF version! https://i.publiclab.org/system/images/photos/000/004/830/original/H2S...

3 comments » 13 days ago

amirberAgain commented on Hackteria Remix: Building a Raspberry Pi Microscope

This looks really nice! I'll start assembling the parts! in the mean time, a small suggestion: pl...

3 comments » 13 days ago

plnedestroyer commented on Engineered Histograms

@cfastie did you use a plugin to get the color histogram for the ndvi, because I am creating ndvi...

15 comments » 13 days ago

warren commented on Simple data logger

I also like the prospect of an Atmega 328 with no SD card for logging. How much of the 32k memory...

10 comments » 13 days ago

warren commented on Water Filter Effectiveness

There are also a number of resources on turbidity monitoring -- DIY and otherwise, here: https://...

1 comments » 13 days ago

stevie commented on Quick Build: Raspberry Pi Microscope

@stevie awards a barnstar to partsandcrafts for their awesome contribution!

7 comments » 13 days ago

stevie commented on Putting sensor data to work

@stevie awards a barnstar to cfastie for their awesome contribution!

1 comments » 13 days ago

stevie commented on Setting up the Raspberry Pi Camera for Wireless Streaming

@stevie awards a barnstar to partsandcrafts for their awesome contribution!

8 comments » 13 days ago

nshapiro commented on Oil Chemistry of Keystone Leak

Interesting question! if you'd like to elaborate a bit more on your thoughts or talk about how th...

5 comments » 13 days ago

stoft commented on PLab Spectrometer Gain-Correction

@Tehnicni, I'd agree that any detector-specific non-linearity is likely very small compared with ...

25 comments » 13 days ago

Reallygeek commented on How do I find where and how to download the spectroscope software on the Public Lab site?

you can use any basic camera, and infrared is acceptable, you get even take an infrared filter ou...

1 comments » 13 days ago

Reallygeek commented on What are sources for existing environmental data?

there's government sources, like parks and recreations, forestry services, national park stuff th...

1 comments » 14 days ago

Risks to public comment

by liz 14 days ago | 3 | 1

Tehnicni commented on PLab Spectrometer Gain-Correction

Question for @stoft. According to my measurements, the CMOS sensor has some sort of blooming effe...

25 comments » 14 days ago

cfastie commented on Solar ballon flight trajectory visualization

It's really good to see these flight trajectories. I think it's an important way to document a fl...

5 comments » 14 days ago

Putting sensor data to work

by cfastie 14 days ago | 1 | 1

warren commented on What's the best setup for a copper rod or copper plate test for DIY hydrogen sulfide detection?

I was wondering if sheets could be nailed into a wooden plate. It does seem like it would be ide...

1 comments » 16 days ago

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping

images.zip booklet-publiclab.indd.zip

12 comments » 16 days ago

gretchengehrke commented on Riffle and Thermsistor

Hi @pdhixenbaugh! This is great. Have you seen that there is an Open Hour on Data Loggers this Mo...

1 comments » 16 days ago

warren commented on How should i go about converting svgs to jpgs or pngs

Good luck! And please do post it as an activity once you do - folks would love to see this step b...

3 comments » 16 days ago

shanlter commented on Knowflow组装(一)——pH和温度监测

thanks! @incaking!!! 非常详细的说明文档~! 你可以把arduino的程序链接也上传一下吗?

4 comments » 16 days ago

warren commented on Draft: Find the concentration of a liquid with a DIY spectrometer

OK, my next thought on this would be to scan 2 at once instead of 3, so that at least any non-eve...

3 comments » 17 days ago

warren commented on DIY fluorometer and solvent free extraction and dispersion of oil in water

Wow, just going through this, it's amazing. Would you be willing to repost your blog in full so f...

4 comments » 18 days ago

warren commented on Spectrometer 3.0 Cuvette Add-on

Wow, so do you insert an LED instead of the laser into some of your light sources? How do you pow...

2 comments » 18 days ago

warren commented on What's an easy way to compare two liquid samples with a spectrometer?

Hi, @programmer1200 -- saw your post on a cuvette holder and wondered if it would be possible to ...

4 comments » 18 days ago




A shared knowledge base for community science

New page by yrodriguez about 18 hours ago

yrodriguezd

New edit by warren about 21 hours ago - changes

Make a Public Lab spectrometer

New edit by warren 1 day ago - changes

Madeira

New edit by stevie 1 day ago - changes

Host a Barnraising

New page by stevie 1 day ago

Host a Barnraising

New edit by liz 1 day ago - changes

SmART-Form

New edit by gretchengehrke 1 day ago - changes

Sensors

New edit by warren 2 days ago - changes

Madeira

New edit by stevie 2 days ago - changes

Frac Sand Legislation

New page by warren 2 days ago

Madeira

New edit by warren 2 days ago - changes

Developers

New page by warren 4 days ago

Air Sensors

New page by gretchengehrke 4 days ago

Sensors

New page by warren 4 days ago

lego

New page by warren 6 days ago

Lego Spectrometer

New page by warren 9 days ago

Basic Microscope Kit

New page by warren 11 days ago

activity-template

New page by stevie 12 days ago

pH

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