| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "I figured out the problem with reprogramming -- the pin I'm using for the potentiometer is also used for USB on the Trinket. Oddly, I can get it to..." | Read more » | about 8 years ago | |||
| warren | "OK, I apparently burned out my Trinket somehow, because I can't re-upload; but i have a 2nd one. I uploaded the latest version of the sketch (which..." | Read more » | about 8 years ago | |||
| warren | "I was able to upload the sketch, but it only changes once per second -- i was hoping for a smoother change, and I'm also not sure it's ever outputt..." | Read more » | about 8 years ago | |||
| 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 » | about 8 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 » | about 8 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 » | about 8 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 » | about 8 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 » | over 8 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 » | over 8 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 » | over 8 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 » | over 8 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| warren | "Just a note that I found this interesting article (not peer-reviewed; Photonics is an industry trade journal, I think) which discusses LED input li..."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 » | over 8 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 » | over 8 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 » | over 8 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 » | over 8 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 » | over 8 years ago | |||
| warren | "Thanks for your feedback! " | Read more » | over 8 years ago | |||
| warren | "I don't believe those are clipped - I increased the exposure until it just barely touched the top, but did not depress or deform the top of the cur..." | Read more » | over 8 years ago | |||
| warren | "These look good too, and come with a spectrum datasheet: http://www.ledgroupbuy.com/solderless-true-violet-led-405nm/ " | Read more » | over 8 years ago | |||
| warren | "Powered on one of these, with a dial: http://www.watterott.com/de/Wattuino-Nanite85?x56e76=f63b1cee028854c06b93338f2945a806 " | Read more » | over 8 years ago | |||
| warren | "Here's the big list of UV LEDs below 405 nm " | Read more » | over 8 years ago | |||
| warren | "Crap, those are only in quantities of 400+ or 1000+. I'll keep looking. " | Read more » | over 8 years ago | |||
| warren | "@tonyc @ygstcu - looking at higher powered LEDs, I've found: ~$4.40: http://www.digikey.com/product-detail/en/VLMU3500-385-060/VLMU3500-385-060TR-..." | Read more » | over 8 years ago | |||
| warren | "Hi, Cindy - so, any of the ones where you just have a sharp spike around 405 nm just mean that there was not any fluorescence, or perhaps just none..." | Read more » | over 8 years ago |