Author Comment Last activity Moderation
alexademie "This is really nice and informative i am really inspired and want to try it myself but after searching for cheap essay writing services Uk because ..." | Read more » about 15 hours ago
warren "This looks v cool! Walkman style. I wonder how recoverable/measurable dust is from the tape when rolled up again. Would some kind of clock mechani..." | Read more » 15 days ago
natematias "Here's an in-progress prototype. " | Read more » 16 days ago
jacktiger "A great place to find some stylish BAPE outfits at a reasonable price is BAPE Hoodies. BAPE A Bathing Ape Store is an authorized online retailer of..." | Read more » 2 months ago
agentpesnot "This might be of interest to you! Dream collects greenhouse gases and air quality: " | Read more » 6 months ago
SBucic "@bhamster Thank you very much. Incredibly helpful information! " | Read more » 7 months ago
bhamster "Hi @SBucic ! Another community group in the past monitored formaldehyde at natural gas compressor stations using an electronic meter. There's some ..." | Read more » 7 months ago
frankaderb "The performance of the consumer grade sensors compared to the professional grade monitors in the second paper doesn't inspire much confidence. Pet ..." | Read more » 9 months ago
eustatic "nota bene, you probably want to blot out / white out the QR code in this photo as well. " | Read more » 10 months ago
eustatic "maintenance--hire someone, lol. I use air canisters to clean them of spiders. the units die, but are cheap enough to replace. I have tried to 'r..." | Read more » 10 months ago
eustatic "i wrote out installation tips " | Read more » 10 months ago
bhamster "Tagging in @LESBreathe in case you have any tips, too! " | Read more » 12 months ago
bhamster "This presentation from the Wisconsin Dept of Natural Resources has some info on another kind of passive sampler for benzene, and compares the resul..." | Read more » 12 months ago
tylerknight "Thanks for the papers! Unfortunately benzene is one of the VOCs of concern, and based on the conclusions of that first paper, sensitivity is still ..." | Read more » about 1 year ago
bhamster "Thanks for this question @tylerknight. Are you interested in monitoring VOCs indoors or outdoors? And are you hoping to detect particular VOCs or "..." | Read more » about 1 year ago
kgradow1 "This resources has links to a bunch of community-based air sensors that the EPA has evaluated. I'm sure some of these are web enabled: https://ww..." | Read more » about 2 years ago
kgradow1 "There are a number of phone apps available for odor logging and you can probably also download an app to give you realtime data from national AQM i..." | Read more » about 2 years ago
amocorro "@bhamster @mimiss @eustatic come across any you can share on this thread? " | Read more » about 2 years ago
kgradow1 "Hi Stevie! I'd like to link this on the bucket project page, would you be willing to add the tag bucket-monitor? " | Read more » over 2 years ago
warren "We didn't do any calibration at all, and are just reporting out the values produced by the sensor. Purple Air does a conversion to AQI, but do you ..." | Read more » over 3 years ago
crispinpierce "Thanks @stevie and @warren. So green is 140 degrees and represents 0 ug/m3 and red is zero degrees and >= 20 ug/m3? I'm curious about how the ca..." | Read more » over 3 years ago
warren "This wheel shows the range of values from 0-140 that correspond to the 0-20 values from the sensor: " | Read more » over 3 years ago
warren "Just that a really in-depth discussion on how this works can be found here:" | Read more » over 3 years ago
stevie "These particular sensors, the way they are programmed, is to test a range between 0 and 20 micrograms per cubic meter, where 0 is green, and red is..." | Read more » over 3 years ago