| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "And do you have a link to the HAZCAT guide from Randy? Thanks! " | Read more » | almost 9 years ago | |||
| warren | "Oh, just noticed -- on your dielectric fluid scan, you need to select a new cross section -- the top row of pixels is blank. Great post! " | Read more » | almost 9 years ago | |||
| warren | "@ernestootero -- what about methanol, which is somewhat less toxic than hexane or acetone? Have you used isopropyl? " | Read more » | almost 9 years ago | |||
| warren | "Hi, Scott - we're using some of the photos you posted here in our report, but I was curious if you'd release the linked-to albums under CC-BY or CC..." | Read more » | almost 9 years ago | |||
| warren | "Oh, reference for the pinouts on the 3.3v Trinket: https://learn.adafruit.com/introducing-trinket/pinouts " | Read more » | almost 9 years ago | |||
| 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 » | almost 9 years ago | |||
| warren | "Hi, Mary! We're working on a publication about oil spills and such, and wanted to use your above image. Even if you don't find a copy without the c..." | Read more » | almost 9 years ago | |||
| warren | "I think the best plan may be to try focusing the webcam with the spec open and using a webcam program. It should be focused as it ships, actually. " | Read more » | almost 9 years ago | |||
| warren | "Hmm, I can't see any spectra on your profile at https://spectralworkbench.org/profile/smurpau Are you sure the earlier spectrum you posted was a f..." | Read more » | almost 9 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 » | almost 9 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 » | almost 9 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 » | almost 9 years ago | |||
| warren | "Oh, just the spectra you're looking at to reach those conclusions. Sorry to mix vocab :-) " | Read more » | almost 9 years ago | |||
| warren | "Could you make a set of good double green line references to look at? " | Read more » | almost 9 years ago | |||
| warren | "There are a few places where we do math -- like convert from 0-255 to 0.000-1.000, and when repeated over many pixels, its possible that there are ..." | Read more » | almost 9 years ago | |||
| warren | "Hi, Chris - because we used lots of peaks to determine "fitness", we'd need all of the following nanometer positions plus their intensity (0-255): ..." | Read more » | almost 9 years ago | |||
| warren | "Well, both images were taken from the same device within about 20 minutes, so you can check their images against one another even if they're not ac..." | Read more » | almost 9 years ago | |||
| warren | "I added an update about suitability of long-tube fluorescent bulbs (non CFLs) for calibration which should be interesting to @liz and maybe @cfasti..." | Read more » | almost 9 years ago | |||
| warren | "Wow, ambitious! I've bought first surface mirrors here, but that may not be great for you depending on where you're ordering from. http://www.scip..." | 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 | |||
| warren | "This looks fantastic; yes, you could increase your camera resolution. You can download .csv from any Spectral Workbench spectrum -- it's on the le..." | Read more » | almost 9 years ago | |||
| warren | "I especially appreciated your introduction of a "false positive" of laundry detergent here; excellently displayed too. In your first two conclusio..." | Read more » | almost 9 years ago | |||
| warren | "There is a LOT in this post; first, thank you Dave for a very thorough analysis! I'm sure I'll have more to add, but to start with, a clarificatio..." | Read more » | almost 9 years ago |