| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "OK, update - since the B sensor was covered yesterday, it's now showed as "downgraded" just as the A was yesterday: My question now, is apart fr..." | Read more » | over 5 years ago | |||
| warren | "OK! After now blocking the B sensor instead, it's accepting A data once more, and hasn't yet flagged the B sensor. Interesting! " | Read more » | over 5 years ago | |||
| warren | "Aha! One day later, my sensor A has been "downgraded"! I'll move the tape to the other sensor and see what happens. " | Read more » | over 5 years ago | |||
| warren | "i'll post more soon, but one is now totally blocked and it shows on the graph, but it's not rejecting the data. I'll let this run for a day. Then ..." | Read more » | over 5 years ago | |||
| warren | "OK, i covered it more thoroughly and will wait a while to report back on what happens. " | Read more » | over 5 years ago | |||
| warren | " OK testing this out now. Here's our sensor, on Cromwell St at our office: https://www.purpleair.com/map?582419|582421#13/41.81161/-71.41883 Note ..." | Read more » | over 5 years ago | |||
| warren | "This is great, thanks @kkoerner -- and interesting to see that they'll flag sensors. I wonder how much two would have to not correlate before it go..." | Read more » | over 5 years ago | |||
| warren | " https://mapknitter.org/maps/solar shows an image like this, using a color mapping which is often used in thermal photography: " | Read more » | over 5 years ago | |||
| warren | " @julieta @nanocastro have either of you used 2 sensors in your DIY #plantower -based devices? #maca etc? " | Read more » | over 5 years ago | |||
| warren | "And just linking to here, where the wiki page documents the 2 channels, which i would guess are from the 2 sensors? https://publiclab.org/wiki/purp..." | Read more » | over 5 years ago | |||
| warren | "@CBarnes9 @samr @Tomp @OrionAllgaier @wu_ming2 @guolivar @BrandonFeenstra @kkoerner, any thoughts or info to share on exactly what the #purpleair d..." | Read more » | over 5 years ago | |||
| warren | "Ah, and regarding What kind of particulate matter do these sensors work best in (ie they tend to preform worse in traffic-dominant pm than wood smo..." | Read more » | over 5 years ago | |||
| warren | " Hi @nshapiro - these are all good questions, let me try to go through them one by one, thanks! the documentation needs to be vastly improved I'm..." | Read more » | over 5 years ago | |||
| warren | "@mimiss @stevie -- what do you think of these options, and would any of them be interesting for classroom use too? " | Read more » | over 5 years ago | |||
| warren | "Idea 3: You could buy or build a #simple-air-sensor and leave it for a few days in a few different locations, to see if it detects anything, and if..." | Read more » | over 5 years ago | |||
| warren | "Idea 2: the #simple-air-sensor could be used alongside a more expensive device like a #purple-air, to give a more ambient awareness of the readings..." | Read more » | over 5 years ago | |||
| warren | "Idea 1: While kicking off a collaborative session or training on air sensor placement, three or more Simple Air Sensors could be held by different ..." | Read more » | over 5 years ago | |||
| warren | "@wmacfarl also did you do your workshop with these yet? " | Read more » | almost 6 years ago | |||
| warren | " Hi @sadieprego - would you like us to send you one of these? " | Read more » | almost 6 years ago | |||
| warren | " @nanocastro @cbarnes9 @ag8n @wu_ming2 @bigmit37 might also know a bit about this? " | Read more » | almost 6 years ago |