Community research

cfastie commented on How can we connect a PMS5003 dust sensor to an Arduino? over 5 years ago

There is another version of this sensor with the same specifications and the same price but it is...

roberts_ecofarm commented on Inexpensive conductivity probe for drinking water monitoring network over 5 years ago

Clarifying - 1. Ideally Id like to upload daily. For some sites I will be able to connect to the...

zengirl2 commented on Air Sensor Project over 5 years ago

This looks great—also looks like others have faced similar issue with 8266 and Shinyei sensor jus...

sixmanguru commented on How do I... assemble the newer version kit over 5 years ago

@bronwen any updates for those of us with rubber bands, new camera and new light or did I miss it?

MadTinker commented on Inexpensive conductivity probe for drinking water monitoring network over 5 years ago

A couple of clarifying questions: do you have a time period in mind for sampling before data co...

warren commented on Reflectance spectrometry over 5 years ago

I think a lego adapter to a Raspberry-pi driven lego spectrometer could make this work, with some...

warren commented on an answer about What do you think about this new design sketch for a Welcome page? over 5 years ago

Looking great. I'll reply in more depth on Monday. We may need to do up some text for the Communi...

Ag8n commented on Reflectance spectrometry over 5 years ago

You know, there is a type of visible reflectance done often. It's the type used for paint matchi...

kelv commented on What are your thoughts on this initial sketch for a Tag page on PublicLab.org? over 5 years ago

@edie_blues hadn't thought of that, lemme work on it. Thank you!

warren commented on Low-cost air quality sensors to measure PM2.5, PM10? over 5 years ago

There's been some strong interest in the Plantower PMS5003 which is the sensor in the #purpleair ...

warren commented on an answer about How good is the PurpleAir sensor and what does it detect? over 5 years ago

@guolivar have you read over these reports and do they factor into your assessment of the Purple ...

warren commented on an answer about How good is the PurpleAir sensor and what does it detect? over 5 years ago

This is a GREAT post. Thank you so much!!!

warren commented on How good is the PurpleAir sensor and what does it detect? over 5 years ago

Ah, yes, confirmed by @guolivar's post: https://publiclab.org/notes/guolivar/01-08-2018/thoughts-...

warren commented on Thoughts on Low Cost air quality sensors over 5 years ago

@warren awards a barnstar to guolivar for their awesome contribution!

warren commented on Visualize live sensor data with p5js and an Arduino over 5 years ago

Just compiling some quick links to where these parts can be found cheaply and easily: Sensor: $...

warren commented on How good is the PurpleAir sensor and what does it detect? over 5 years ago

Quick update - the sensor in the Purple Air seems to be this one or one very similar, a laser bas...

Ag8n commented on Reflectance spectrometry over 5 years ago

The most common place for reflectance work is in infra-red(IR) and near infra-red (NIR) work. In...

warren commented on MicrobeMeter - an innovative photometer for continuous measurement of microbial growth over 5 years ago

Hi, thank you for posting! This looks like a really interesting project; thanks for sharing. I w...

warren commented on an answer about In the plant based air purifier, could airflow go the other way, using an unmodified pump? over 5 years ago

Although honestly probably just the whole thing tied up in a cloth bag as I suggested above might...

warren commented on In the plant based air purifier, could airflow go the other way, using an unmodified pump? over 5 years ago

Actually i wondered re: @nshapiro's note on might risk suspending dust from the growth medium in ...

warren commented on In the plant based air purifier, could airflow go the other way, using an unmodified pump? over 5 years ago

Just linking in @nshapiro's comment here: @Odie91that's a great question and one that many peopl...

warren commented on #Next steps - Indoor Air Remediation Kit—Paris Working progress & Prototypes 18/09/18 over 5 years ago

Built one of these at a recent Barnraising!!! https://publiclab.org/notes/warren/10-25-2018/build...

stevie commented on Inexpensive conductivity probe for drinking water monitoring network over 5 years ago

Oh great project! Pinging in a couple people who might be interested: @cfastie @pdhixenbaugh @don...

roberts_ecofarm commented on Voltage generation for conductivity sensor over 5 years ago

Stevie, I'm working on a project where we need to monitor changes in water quality. I posted ab...

stevie commented on Voltage generation for conductivity sensor over 5 years ago

Hi! Can you clarify the question?

KBWard commented on Reflectance spectrometry over 5 years ago

I am late to the game, but my group is interested in using reflectance spectroscopy to quantify o...

edie_blues commented on What are your thoughts on this initial sketch for a Tag page on PublicLab.org? over 5 years ago

Hi @kelv! I'm working on the other design project (the welcome page). I use github pages to shar...

edie_blues commented on an answer about What do you think about this new design sketch for a Welcome page? over 5 years ago

Hi @warren and all, Sorry I was away for a couple of days and couldn't access the Internet. yes...

warren commented on Microscope Webcam Conversion over 5 years ago

I updated this with a new photo of the improved webcams, which means you can skip the inner foam ...

warren commented on Call for Outreachy 2018-19 proposals! over 5 years ago

Thank you, Sidharth. Folks - we're just trying to be sure you don't miss out on this! Many thanks...