jenjimah 2 research notes and 2 wiki edits | Joined about 2 years ago

Horticultural Spectrometer Upgrade - Planning

by jenjimah about 2 months ago | 21 | 162 views | 4

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"154520 153053 - sunlight Since this example is sunlight, this may mean some distortions are attributable to factors other than the rolling shutt..." | Read more » about 1 month ago
" Possible examples of banding: 128155 - fluorescent bulb 122557 - CFL 97106 - Calibration 91584 - looks like a white LED " | Read more » about 1 month ago
"Sure I'll post a question about it! After stewing on it a while, I don't think it should be a huge issue in most relevant contexts, (esp. for other..." | Read more » about 1 month ago
"Thanks! It looks like khufkens predicted the response from >700 as the data was not yet available. If you look at the spectrum published by Sony..." | Read more » about 1 month ago
" Great fodder for thinking about. 1) Agreed, having an individual light measurement per plant has advantages in certain scenarios. I guess it comes..." | Read more » about 1 month ago
"I was just reading on the pi website about the rolling shutter and I was wrong about the global shutter (it said only cameras with physical shutter..." | Read more » about 1 month ago
"So I was reading about minimum exposure time of the Pi cameras and learned that it uses something called a "rolling shutter", which means it reads ..." | Read more » about 1 month ago
" Yes that's exactly what I intend to do with the sun. Given sensor stability, and no shifts or changes in the spectrometer's build, calibration wou..." | Read more » about 1 month ago
" Hi Dave, I just heard back from Sony regarding the IMX219 Sensor response. Here's the pdf and a screenshot: IMX219_Spectrum.pdf Although it doe..." | Read more » about 1 month ago
" Hi Dave, I looked at some of your posts before writing this one, actually! Your work is super helpful. I also couldn't find IR data from the Sony..." | Read more » about 1 month ago
"Hi Warren, thanks! I'll definitely try to document my process well as it comes along. I have a lot of motivation to get this going because I want t..." | Read more » about 1 month ago
"Hello Ned, thank you for all your work on this subject. Currently I am looking for low-cost materials that can be used as reliable standards for N..." | Read more » about 2 years ago


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