water-monitoring
water-monitoring


Author Comment Last activity Moderation
warren "Great similar concept but for tiny quantities, posted at Hackteria's wiki: http://hackteria.org/wiki/index.php/DIY_NanoDrop " | Read more » almost 11 years ago
eustatic "cool " | Read more » almost 11 years ago
mathew "I'm really excited about the possibility of re-purposing fish sonar. I'm used to seeing a very rough output from fish sonars of the bottom + a "bi..." | Read more » almost 11 years ago
EdMallon "Hi Warren. Nice to meet you. Wrt cross posting, I am wondering about the content that would be most helpful to the audience here, as I interwove (w..." | Read more » almost 11 years ago
maxliboiron "Thanks Warren! " | Read more » almost 11 years ago
warren "Wow, super thanks Max! Just wanted to connect you with this recent post on stationary tethered monitoring: http://publiclab.org/notes/EdMallon/02-1..." | Read more » almost 11 years ago
warren "Also see this newly posted discussion of dragging underwater loggers: http://publiclab.org/notes/maxliboiron/02-11-2014/underwater-plume-sampling-m..." | Read more » almost 11 years ago
warren "Wow, very cool, Ed. Would you be able to cross-post your blog here? How could we make that easier for you? I think a lot of folks here would be int..." | Read more » almost 11 years ago
eustatic "Ed, see my note, excited about this effort. http://publiclab.org/notes/eustatic/3-27-2012/thoughts-water-sensing-needs-non-profits-louisiana " | Read more » almost 11 years ago
eustatic "cool!!!! " | Read more » almost 11 years ago
liz "wow, great write-up, thanks! " | Read more » almost 11 years ago
cfastie "DataStream " | Read more » almost 11 years ago
warren "brooklog? " | Read more » almost 11 years ago
warren "Something with "log" in it. WaterLog is taken :-P http://www.waterlog.com/ " | Read more » almost 11 years ago
warren "Hey Don - do you have a catchy name for this sensor? Want to brainpolarvortex it? organizers call today! also it'd be a good thing to have as a wik..." | Read more » almost 11 years ago
dusjagr "Just found some more kinda cheap spectrometers on journal of chemical education: http://pubs.acs.org/doi/abs/10.1021/ed300396x?journalCode=jceda8 ..." | Read more » about 11 years ago
warren "Update! The 3d print returned and it looks great! " | Read more » over 11 years ago
Suiris "The test was just to measure the difference in clarity between tap water and filtered water, using a single wavelength instead of a white warm LED ..." | Read more » over 11 years ago
Ernie "I afraid that using a laser will not tell you much about the chemical composition of any contamints in your water. The laser spectrum is much too ..." | Read more » over 11 years ago
Suiris "Hi drabanus, The time span between each spectra was less than 30 seconds and the LED light had been on for quiet some time before I began the tests..." | Read more » over 11 years ago
Suiris "Hi Ernie, Thanks for the great advice and information. To be honest I am completely new to te spectrometer hobby and most of what you wrote baffles..." | Read more » over 11 years ago
drabanus "One other test to characterize the stability of your spectrometer is to just repeat identical measurements after a certain time span, say minutes, ..." | Read more » over 11 years ago
Ernie "Some typo's in my previous post: To normalize your sample spectrum, you will want (delete "you") to divide... Use an (delete "sample") empty bottle..." | Read more » over 11 years ago
Ernie "I hope your system is mechanically stable so as to get reproducible spectra. With regard to the illumination spectrum (the LED), it is not truly w..." | Read more » over 11 years ago