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Author Comment Last activity Moderation
warren "Ooh, great idea mathew! " | Read more » over 5 years ago
warren "Would one of these hacked-webcam microscopes by http://hackteria.org and http://diybio.org be good enough magnification? http://hackteria.org/work..." | Read more » over 5 years ago
warren "whoa, melissa -- bacterial stinky shoe treatments? I have a pair of dearly beloved vegan leather boots which could use some; they don't do well in ..." | Read more » over 5 years ago
warren "This is especially exciting to me because formaldehyde remediation also dovetails with the ability to detect formaldehyde, in that if we develop a ..." | Read more » over 5 years ago
warren "I was wondering if, since the silica kind of redirects the light (a little like fiber optic), if you could illuminate it with a directional light d..." | Read more » over 5 years ago
warren "Wow, this looks great; I really appreciate the emphasis on ease of construction and your careful water bag tests! @megan, @deepwinter, and others w..." | Read more » over 5 years ago
warren "Wow Amy that is a SUPER visual explanation! Want to add it (with credit and maybe a "not open licensed" notice) to the particulates page? http://pu..." | Read more » over 5 years ago
warren "Are comments moderated there? I don't see your comment but it's a very important clarification to make. Thanks, Mathew! " | Read more » over 5 years ago
warren "Hi, thanks for the post -- are the Dusttrak & Dylos optical devices, like the one the DustDuino project's using? http://publiclab.org/tag/dustd..." | Read more » over 5 years ago
warren "That's a lot of ammonia, sulfuric acid and lead - yikes. Where did you find those numbers? Do you have a link? " | Read more » over 5 years ago
warren "Nice! What kind of lens would it take to make a smartphone can work? I'm thinking about plastic or resin lenses... and portability, but probably ju..." | Read more » almost 6 years ago
warren "I know i've a quick trigger finger on the "like button", but i am so jazzed about this. Don, i failed to order your circuit boards, didn't I? I am..." | Read more » almost 6 years ago
warren "Ah - it looks like you tried to upload a .bmp file. I don't think the website can use those... do you have a jpg or anything? " | Read more » almost 6 years ago
warren "Hello -- it looks like your main image didn't upload properly... do you think you could try to upload it again? You can click "edit" on your post a..." | Read more » almost 6 years ago
warren "We could use smartphone or laptop screens for polarized light, or steal 3d glasses from movie theaters. I guess polarized light isn't in short supp..." | Read more » almost 6 years ago
warren "Is reading from the Shenyei really as easy as this? valP1 = digitalRead(8); valP2 = digitalRead(9); What do the values represent, or how do you ..." | Read more » almost 6 years ago
warren "I also found a couple places to buy it, but they don't show prices better than the listed Shenyei $15.80 or so: http://www.ebay.ca/itm/NEW-For-DSM..." | Read more » almost 6 years ago
warren "Copying in a comment I just left on the DustDuino post: _So I think the sensor the Speck is using, the "Syhitech DSM501A" (http://publiclab.org/no..." | Read more » almost 6 years ago
warren "So I think the sensor the Speck is using, the "Syhitech DSM501A" (http://publiclab.org/notes/chrisbartley/04-15-2014/speck-particle-monitor) is ~$2..." | Read more » almost 6 years ago
warren "Data sheet for the sensor: tmp_DSM501A_Dust_Sensor630081629.pdf " | Read more » almost 6 years ago
warren "How much does the Syhitech DSM501A cost and are there plans or software for the Speck available? I know that CMU Create lab is open source which is..." | Read more » almost 6 years ago
warren "Exciting to see... What's the most minimal sensor we could create though? Could we just connect the pm sensor to an openlux (http://publiclab.org/t..." | Read more » almost 6 years ago
warren "Awesome. I'm thinking about whether this could be used for silica monitoring... looks like this can detect PM2.5 and PM10, and those are in the ran..." | Read more » almost 6 years ago
warren "Willie just posted a followup about a field-test of the optical sensor component: http://publiclab.org/notes/Willie/04-01-2014/field-testing-the-sh..." | Read more » almost 6 years ago