| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Or try to get them all on the same graph? " | Read more » | about 9 years ago | |||
| warren | "I pasted Grapherate live graphs for 4 sensors Mathew set up into this page: http://publiclab.org/wiki/open-air -- not sure if these are those used ..." | Read more » | about 9 years ago | |||
| jeffalk | "It's my understanding that the Dylos is the only monitor of those mentioned that is calibrated by its manufacturer. That implies that some comparis..." | Read more » | about 9 years ago | |||
| kevintzoa | "@nshapiro @mathew @marlokeno Hey, Kevin here from TZOA. I met Shannon Dosemagen of PublicLab at an EPA event last year. Happy to answer any questio..." | Read more » | over 9 years ago | |||
| warren | "@mathew wrote a great overview of lots of different ways that different projects/sensors measure particulates: http://publiclab.org/notes/mathew/05..." | Read more » | over 9 years ago | |||
| nikmhanif | "Hey guys. I'm building a similar system, but instead of Shinyei PPD-42, I am using SHARP GP2Y1010AU0F dust sensor. However, I am not sure whether t..." | Read more » | over 9 years ago | |||
| mathew | "@nshapiro is right, there is no low cost speciation of dust particles. That is usually done in a mass spectrometer or x-ray diffraction spectromete..." | Read more » | over 9 years ago | |||
| nshapiro | "I was thinking about this more on my ride home last night. Although you might not be able to say what the particulates are with an inexpensive opti..." | Read more » | over 9 years ago | |||
| nshapiro | "I think you are not going to find a low cost means of speciating, of parsing kinds of particles in the air, other than their size. Speaking of ant..." | Read more » | over 9 years ago | |||
| warren | "Hi - @donblair wrote up a great overview of how particulate air sensing works, here: http://publiclab.org/notes/donblair/05-03-2014/how-do-we-measu..." | Read more » | over 9 years ago | |||
| nshapiro | "I think they are trying a new Indie go go https://www.indiegogo.com/projects/tzoa-wearable-enviro-tracker#/story They've raised 10 grand in the fir..." | Read more » | over 9 years ago | |||
| mathew | "I don't see any images of them running the device-- seems like they demoed it under glass in January. it looks like a non-functional prototype. is..." | Read more » | over 9 years ago | |||
| nshapiro | "have you come across this one before? http://www.mytzoa.com/#homepage do you know what sensors they use? It is maller and cheaper than I would ima..." | Read more » | over 9 years ago | |||
| marlokeno | "This is a wonderful overview-I'm going to have to read it more than once to grasp all of this. I wonder if you could explain more for me as a non-..." | Read more » | over 9 years ago | |||
| warren | "This is a great overview, thanks @mathew! " | Read more » | over 9 years ago | |||
| mathew | "@jefffalk @marlokeno interested in your thoughts on this plan. " | Read more » | over 9 years ago | |||
| mathew | "right above "Step 1" is a paragraph with links to the stores where parts are available. " | Read more » | over 9 years ago | |||
| Paolo | "Hi guys! I'm Italian and i'd like to build a Dustduino... How can I find the components of the Dustduino? " | Read more » | over 9 years ago | |||
| mathew | "currently the dust counts for the dustduino are unverified and should not yet be relied on for quantitative measurements. also, the sensor is desig..." | Read more » | almost 10 years ago | |||
| mathew | "That candle protector is a great way to picture how this sensor works! I think the tiny grate on top of the sensor itself does something similar. ..." | Read more » | about 10 years ago | |||
| marlokeno | "Markdown In order to measure particles in sand mine areas of W. Wisconsin/ SE Minn., I noticed from a google/NASA map today that average wind spee..." | Read more » | about 10 years ago | |||
| stevie | "Hi Matthew! Can I use the picture of the Dustduino in a presentation I'm giving on Wednesday? Hope all is well, did you get any sent off to Wiscons..." | Read more » | about 10 years ago | |||
| eustatic | "woah, nice idea with the aquarium pump, looking forward to it. scott " | Read more » | about 10 years ago | |||
| eustatic | "great visuals " | Read more » | about 10 years ago |