particulate
particulate


Author Comment Last activity Moderation
warren "Just noting also a big round up of notes on humidity and fog with optical sensors here: https://publiclab.org/questions/sarasage/08-10-2021/is-the..." | Read more » about 1 year ago
hansley10 "Thanks for sharing these great tips about blog commenting. Keep up the great work. best server for small business " | Read more » over 1 year ago
amirberAgain " At an optics conference, a while back Edmund Optics were giving away a lot of credit card sized polarizers, worthwhile reaching out and seeing if ..." | Read more » almost 4 years ago
SadiePrego " @warren @Bronwen thanks so much you guys! " | Read more » almost 4 years ago
Bronwen "@warren That's on me! I suggested breaking this up into a few posts just because the focus of activities are all so different and I wanted to make ..." | Read more » almost 4 years ago
warren "Oh, oops, i see this isn't a duplicate at all, but split into three themes! My apologies, i am just always on the lookout to be sure our moderation..." | Read more » almost 4 years ago
warren "Ah, looks like maybe it was posted twice because the first was held in moderation (sorry, our anti-spam systems are unfortunate, but you wouldn't b..." | Read more » almost 4 years ago
warren " This looks tremendous. Very exciting -- thank you!!!! " | Read more » almost 4 years ago
warren "@guolivar have you read over these reports and do they factor into your assessment of the Purple Air? Thank you both! " | Read more » almost 4 years ago
warren "This is a GREAT post. Thank you so much!!! " | Read more » almost 4 years ago
warren "Ah, yes, confirmed by @guolivar's post: https://publiclab.org/notes/guolivar/01-08-2018/thoughts-on-low-cost-air-quality-sensors " | Read more » almost 4 years ago
warren "Quick update - the sensor in the Purple Air seems to be this one or one very similar, a laser based sensor with a fan -- the PMS5003 -- $30 shippe..." | Read more » almost 4 years ago
stevie "Hi @BrandonFeenstra ! I had a group asking me about the Dylos this morning, so I went to the AQMD website and found the report for it like the one ..." | Read more » almost 4 years ago
GreenFrogg "I don't have experience with the Purple Air. The page is an overview made by the Dutch institute of environmental health (RIVM). They coordinate. Y..." | Read more » almost 4 years ago
stevie "@GreenFrogg I was checking out your list of sensors on this page and didn't see the Purple Air. Have you worked with it? what are your thoughts on..." | Read more » almost 4 years ago
GreenFrogg "My PPD42NS was lost with an attempt to update the sofware. I use now the SDS011 from hackair. " | Read more » almost 4 years ago
GreenFrogg "https://www.samenmetenaanluchtkwaliteit.nl/international and https://platform.hackair.eu/ and http://smartemission.ruhosting.nl/visitors/ " | Read more » almost 4 years ago
stevie "Hey @GreenFrogg what's the project you're working on now? I haven't heard of it. Where are you testing it out? " | Read more » almost 4 years ago
liz "This is a great thread! Excited to find this simple experiment. We might consider recommending this as an activity for people to try as they set up..." | Read more » about 4 years ago
warren "Hi, Jeff - if you can't get it to work, please feel free to email it to me at jeff@publiclab.org and I can try.  On Wed, Sep 5, 2018 at 1:34 PM \&..." | Read more » about 4 years ago
jeffalk "I'll try placing the graph again. I'm sometimes clutzy at this stuff! I'm trying to use jpg format. " | Read more » about 4 years ago
guolivar "I'll try to unpack a couple of things here. The use of zero filters is standard practice as a quick check of particle instruments. It is used to t..." | Read more » about 4 years ago
zengirl2 "@jeffalk does it work if you convert image to jpg format? " | Read more » about 4 years ago
jeffalk "I tried to drag an image, tried copying and pasting, tried putting the image into a WORD document and dragging or pasting, you see the results above. " | Read more » about 4 years ago