Author | Comment | Last activity | Moderation | ||
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warren | "So awesome, thanks Cort! I modified your code for the Trinket and put it on Codebender.com, using pin #4 (analog pin 2) for the potentiometer and p..." | Read more » | almost 9 years ago | |||
dhaffnersr | "That is just too cool Jeff! " | Read more » | almost 9 years ago | |||
warren | "Just notes to self; i want to: make the top hole with a swinging flap, for light control redesign the stack to incorporate the LED, Trinket, and ..." | Read more » | almost 9 years ago | |||
warren | "I tried cutting the new version and it worked pretty well: I worked to insert the LED (which could be a laser diode) dial, and Trinket (arduino ..." | Read more » | almost 9 years ago | |||
dhaffnersr | "That's ok, I'm going to try it out anyway. I think this will work for what I am thinking, I am going to mount it in a plastic utility enclosure and..." | Read more » | almost 9 years ago | |||
warren | "I think it will be! But its designed to fit on the 3.0 spectrometry kit, and I think you have the 2.5, no? " | Read more » | almost 9 years ago | |||
dhaffnersr | "Hey Warren, I downloaded the pdf cuvette frame design and I was wondering if I print it out will it be to scale so I can use it as a template? " | Read more » | almost 9 years ago | |||
stoft | "Gretchen, thanks for the insight. I'd read that the generally broad fluorescence spectrum is, as would be expected, a combination of many spectral..." | Read more » | almost 9 years ago | |||
gretchengehrke | "This is a really great post, Dave! As for the concentration effects, in addition to quenching, there is also shielding, and there can be another p..." | Read more » | almost 9 years ago | |||
stoft | "I just ran some new calculations looking at the curves from my existing data and found a possible correlation between oil density and the centroid ..." | Read more » | almost 9 years ago | |||
stoft | "Jeff, thanks. 1 - Yes, you are right, there is a "glow" from EVO. However, that peak is small and out at 650nm past where it has little effect. I ..." | Read more » | almost 9 years ago | |||
warren | " "visually differentiate between the five (5) test samples" - here, you mean based on qualitative visual inspection of the graphs, right? Do you be..." | Read more » | almost 9 years ago | |||
warren | "This is super, and very impressive, Dave. I have a number of comments/questions, but I'll start with just a few: I'm very surprised to hear that ..." | Read more » | almost 9 years ago | |||
dhaffnersr | "Hey Warren, thanks for your comment on my lab set up. Yeah I'm trying to do oil contamination testing here were I live (city point hopewell va) the..." | Read more » | almost 9 years ago | |||
tonyc | "Very cool. If you're going to try to make a cuvette frame, another line of thought is the minimal version, which tucks into the DSK housing itself..." | Read more » | almost 9 years ago | |||
warren | "Hi, Cindy - can you link to your actual data on SWB? The average should be in the "ideal exposure range" but the important part for the 3 color ch..." | Read more » | almost 9 years ago | |||
warren | "Cool; i mentioned isopropyl alcohol as a possible evaporate-able solvent in the comments on https://publiclab.org/notes/Matej/12-21-2015/first-pig-..." | Read more » | almost 9 years ago | |||
warren | "Just a note that I found this interesting article (not peer-reviewed; Photonics is an industry trade journal, I think) which discusses LED input li..." | Read more » | almost 9 years ago | |||
warren | "Just looping in @ethanbass, @ygstcu, @matej, & @tonyc who were part of this discussion/design process, @stevie and @gretchen, and @stoft becaus..." | Read more » | almost 9 years ago | |||
Matej | "Hi Jeff. I took triplicate spectra of each oil, before mixing it with water and after recovering the oil from frozen water. You can find them at my..." | Read more » | about 9 years ago | |||
warren | "I added your #1 spectra from each type to a set: https://spectralworkbench.org/sets/show2/2945 Then equalized height to compare. Which do you thin..." | Read more » | about 9 years ago | |||
warren | "Wow, very clear! Just to link back, here is Diana's profile on Spectral Workbench: https://spectralworkbench.org/profile/DFlores6073 Diana - i see..." | Read more » | about 9 years ago | |||
warren | "Cool, Matej! Do you have comparison sets of the pure unfrozen/undiluted samples alongside the frozen versions, and also alongside samples in minera..." | Read more » | about 9 years ago | |||
liz | "This is great! 20 people replicated this construction in Cuenca, Ecuador by printing out their own on heavy black paper. " | Read more » | about 9 years ago |