| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| soheilkh | "The reason I was doubted the result is that I have way more red LEDs than blue. Both colors seems (visibly to eyes) to have comparable brightness, ..." | Read more » | about 8 years ago | |||
| cfastie | "Do you have some reason to think that the spectral output of the lamp should be different? Maybe the result you got is a good representation of wha..." | Read more » | about 8 years ago | |||
| DavidMack | "@liz see "Guidelines for FRM and FEM Applicants 9-2011 (PDF)" on https://www3.epa.gov/ttn/amtic/criteria.html " | Read more » | about 8 years ago | |||
| liz | "I would like to have the information that Rachelle Duvall referred to on the OpenHour, about the standards and testing that usually companies have ..." | Read more » | about 8 years ago | |||
| warren | "Hmm, there are actually a lot of good YouTube videos, but I haven't watched through to find one that covers timelapse mode: https://www.youtube.com..." | Read more » | about 8 years ago | |||
| warren | "No worries -- I think we're hoping someone who does have one can take some photos of the process, or of the manual itself -- or even a short video ..." | Read more » | about 8 years ago | |||
| glennwalquist | "Aw, man....I'm not very tech-savvy when it comes to this particular question. I just read the instructions, then entered the times of day....and ap..." | Read more » | about 8 years ago | |||
| xose | "Just for the record, It can be easily done using GNU/linux. Here two tutorials for Kdenlive (just GNU/linux) and OpenShot (the only multiplatform, ..." | Read more » | about 8 years ago | |||
| mathew | "On mac, the easiest way is to use Quicktime 7, File --> Open Image Sequence " | Read more » | about 8 years ago | |||
| warren | "And @cfastie provided some guidance for using Adobe Premier: https://publiclab.org/notes/glennwalquist/12-04-2016/monitoring-sargent-sand-mining-op..." | Read more » | about 8 years ago | |||
| warren | "I did find a bunch of YouTube videos of how to use different programs, but haven't done so myself: https://www.youtube.com/results?search_query=ma..." | Read more » | about 8 years ago | |||
| xose | "The to be or not to be of the hole question ;) Theres an actual debate around your question and some of the PublicLab people are writing some posts..." | Read more » | about 8 years ago | |||
| dhale2 | "Wonderful suggestions! Thanks for all the help. David " | Read more » | about 8 years ago | |||
| warren | "Yes, it is possible to capture periodically -- there's a thread about it here: https://groups.google.com/forum/#!searchin/plots-spectrometry/timer..." | Read more » | about 8 years ago | |||
| xose | "Excellent @cfastie! Another option a lot more techie but, if not only for this temporal use, would be installing Spectralworkbench on a local serve..." | Read more » | about 8 years ago | |||
| cfastie | "I don't know whether a macro in Spectral Workbench could capture images at some interval from a continuous video stream from a webcam (spectrometer..." | Read more » | about 8 years ago | |||
| cfastie | "Many plant species have leaves with broadly similar spectral reflection properties. So depending on the species it might be a challenge to distingu..." | Read more » | about 8 years ago | |||
| warren | "I don't know if it's helpful, but the folks in the #webvalley project used an exposure-controlled version of the DIY spectrometry kit to compare ra..." | Read more » | about 8 years ago | |||
| rohanpaleja27 | "Thank you, we would also like to take it to applications where we would differentiate between two green plants. Would a spectrometer be able to do ..." | Read more » | about 8 years ago | |||
| cfastie | "Depending on your goal, a spectrometer might not be needed to locate dandelion flowers. They are dramatically distinct from green leaves in the vis..." | Read more » | about 8 years ago | |||
| klie | "Update: Talking it out actually just helped me think of better search terms, and I think I found one on alibaba.com. High five for team brainstor..." | Read more » | about 8 years ago | |||
| klie | "Thank you @sarasage! I'm going to check out both of these sites. What I'm looking for, though, is a button that's mechanical instead of electrica..." | Read more » | about 8 years ago | |||
| sarasage | "www.digikey.com sells all manner of switches, too. " | Read more » | about 8 years ago | |||
| sarasage | "Have you checked www.sciplus.com? Is this along the lines of what you're looking for? https://www.sciplus.com/p/SPST-PUSHBUTTON-SWITCH_55615 " | Read more » | about 8 years ago |