| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Ah, i see you've already approached this topic, sorry to repeat! " | Read more » | almost 8 years ago | |||
| iamkat | "Ah that's really helpful to know, thank you! " | Read more » | almost 8 years ago | |||
| cfastie | "Thanks for the details. After you use a CFL to calibrate the spectrometer, replace the CFL with another light source. If the spectrometer is not d..." | Read more » | almost 8 years ago | |||
| iamkat | "Hi Chris, what do you mean by a standard lycopene extraction? The UV spec of lycopene in ether can be found here http://link.springer.com/article/..." | Read more » | almost 8 years ago | |||
| cfastie | "Kat, Do you have a standard lycopene extraction? How do know what the spectrum of lycopene should look like? Are you using a fluorescent lamp to ..." | Read more » | almost 8 years ago | |||
| mathew | "I think there are a couple ways to read the straw-on-keel construction detail, I'm not sure either of us got it right the first time. i covered the..." | | about 8 years ago | |||
| ecta64 | "I did decide to retrofit the keel spars onto my horned Allison kite. I'm now curious to see what performance advantages it might have over one with..." | | about 8 years ago | |||
| ecta64 | "That looks fantastic!!!!!! Awesome job! This design can get pretty up there in terms of flying angle. Due to some oversight I left out the keel spa..." | | about 8 years ago | |||
| mathew | " I made and flew a horned allison today! it has a good flying angle, 55+ degrees and very stable. While it hunts for the wind and responds to cha..." | | about 8 years ago | |||
| ecta64 | "My experience has been quite good in gusty conditions so far. I added a design overview video where you can get a better look at the kite. It pulls..." | | over 8 years ago | |||
| mathew | "Excellent! I gotta try the scalloped one. Everywhere i fly here in portland is pretty gusty, and I have the same issue with tails getting stuck d..." | | over 8 years ago | |||
| ecta64 | "I'm likely going to be doing just that. I also got a suction cup window thermometer so now I can get data on wind velocity/direction and temperatur..." | | over 8 years ago | |||
| mathew | "Neither an anemometer nor a rain gauge require power. Placing a camera indoors and pointed at such a setup through a window would be a pretty reas..." | | over 8 years ago | |||
| ecta64 | "Glad to hear that people like this simple rig. It seems you get what you pay for with sensors and that frustration has led me to things like this t..." | | over 8 years ago | |||
| wjw | "This is a great idea! Simple concept with lots of options for data acquisition and logging I think. I purchased a three sensor weather station fo..." | | over 8 years ago | |||
| ecta64 | "Thanks. I gotta work out a few improvements but it does seem to function quite well and gives rather accurate data. I may mount it on the Public La..." | | over 8 years ago | |||
| mathew | "I love this! " | | over 8 years ago | |||
| khufkens | "On the raspberry pi camera there is no real focus, so you either unscrew the lens assembly (google macro lens / macro photography and raspberry pi ..." | Read more » | over 8 years ago | |||
| cosettespafford | "Can you let me know how you focused your camera? I just finished my spectrometer yesterday; I can take spectral images at this point, but they need..." | Read more » | over 8 years ago | |||
| gpenzo | "Hallo Jose. It is indeed a ELP camera. I had one laying around here. jewelry spectroscope I bought form aliexpress. But you can find them anywhere..." | Read more » | almost 9 years ago | |||
| H3nkt | "Hello @mathew, First of al thank you for writing. If you increase the flow pulses will be schorter. But the amplitude of the pulse should be the ..." | Read more » | almost 9 years ago | |||
| JoseBarreiros | "Nice work!. That camera seems to be an ELP camera?. Could you share the files of the enclosure. I want to try your design with an Aptina AR0130 th..." | Read more » | almost 9 years ago | |||
| khufkens | "There are three variables in this setup: 1) the light source's output, which needs to be characterized or idealized (you could use the sun as a re..." | Read more » | about 9 years ago | |||
| warren | "Uh, perhaps I am not fully understanding on my initial readthrough, but since we have a big need to characterize sensitivity in the webcams we use ..." | Read more » | about 9 years ago |