category:build
category:build


Author Comment Last activity Moderation
nageshborse "I watched your video - very useful. I didnt know how one will click the pictures ones it is up in the air " | Read more » over 5 years ago
warren "Oh, also just for ref, the idea i posted is here: https://publiclab.org/notes/warren/02-09-2017/a-kit-to-design-your-own-formaldehyde-experiment " | Read more » over 5 years ago
mathew "done! " | Read more » over 5 years ago
Dave-O "You're welcome, @nshapiro ! Is this the same EPA approved method that you used? https://www3.epa.gov/ttnamti1/files/ambient/airtox/to-11ar.pdf And ..." | Read more » over 5 years ago
nshapiro "Thanks, @Dave-O ! We did some side by side testing of this method next to an EPA approved method and we found these tubes to be cross contaminated ..." | Read more » over 5 years ago
warren "Hi, Mathew, mind if I retitle this "Use a rubber band and knotted string to trigger a camera"? " | Read more » over 5 years ago
sarasage "Fantastic post! Would love to replicate this! " | Read more » over 5 years ago
warren "Well, just asking about the positive pin shown on the Fritzing diagram -- 5 volts -- which is not on the diagrams on this page. Thanks! " | Read more » over 5 years ago
rmeister "Not sure what 5V pin you mean, but yes a 4-pin cable is need to connect to the microphone input of smartphones/mobile devices. " | Read more » over 5 years ago
warren "Hi, I noted that on the WebJack page, the illustration shows the use of the 5v pin, but here it's not shown. Is it essential? I seem to have been t..." | Read more » over 5 years ago
sanchittechnogeek "Created a spectrometer! :) here are the pics below! " | Read more » almost 6 years ago
warren "That's so cool! Thanks, please do -- " | Read more » almost 6 years ago
xose "Hi there I've adapted the ink+hole upgrade to the foldable specrtrometer and think works pretty well. Ill post an upgrade with some test pictures o..." | Read more » almost 6 years ago
warren "Hi, Abdul - could you link to the PDF design files for the box entry in the Materials list? https://github.com/publiclab/spectrometer3 Thanks! " | Read more » almost 6 years ago
stef "@warren Thanks for your comments. Prior to the IR filter removal, I had no indication that there was a light transmission through the cover proble..." | Read more » almost 6 years ago
warren "Also - do you have links to scans done with and without this light cover, in bright conditions, to show folks the advantage of additional light dam..." | Read more » almost 6 years ago
warren "Great build photos - I've added the upgrade:dssk tag to indicate to people that this is an upgrade that can work on the desktop spectrometer, and t..." | Read more » almost 6 years ago
warren "Note: added section on rough treatment after the stress tests. " | Read more » almost 6 years ago
warren "There's been lots of talk of skipping the Velcro steps, and directly gluing/taping the blocks to the board. @abdul posted a build that uses no wood..." | Read more » almost 6 years ago
hagitkeysar "@hagitkeysar awards a barnstar to abdul for their awesome contribution! " | Read more » almost 6 years ago
stoft "Jeff...Actually, looking at the 'Unreinforced' 'Green' peak wavelength shift, the span is 537-549nm (the same peak in the 'reinforced' version is 5..." | Read more » almost 6 years ago
warren "Just wanted to ping in here we did some stress tests last week based on the proposed tests @stoft made, and they're quite dramatic -- a 4-5nm shift..." | Read more » almost 6 years ago
donblair "Hallo! I haven't had great luck with Digikey shopping carts sticking around, so it might be better to put direct links to parts in e.g. a wiki ......" | Read more » about 6 years ago
kanarinka "I'm actually not sure about this - @donblair - do you know the answer? " | Read more » about 6 years ago