cross-section
cross-section


Author Comment Last activity Moderation
liz "FYI - this is posted as a question here: https://publiclab.org/notes/carmatic/02-24-2021/alternatives-to-cfl-for-calibration " | Read more » about 3 years ago
carmatic "hello, I'm trying to look for fluorescent bulbs but they are being phased out where I live and are becoming harder and harder to find is there an a..." | Read more » about 3 years ago
jterning "Hi, I am confused! My calibration looks ok but is I take a spectrum from a red LED screen I get something crazy: thanks, John " | Read more » about 3 years ago
warren "Gosh, sorry for the late response! When you haven't yet completed the calibration, the numbers shown are for pixel position, not wavelength. Once y..." | Read more » about 3 years ago
milanq "Hey! I was trying to califrate a fluerescent bulb, and it appeared to fit good with the reference spectral workbench ives you, but when looking at..." | Read more » almost 4 years ago
warren "Good suggestion! And if you could file a bug about the vertical checkbox, we should be able to fix that -- thanks!! https://github.com/publiclab/s..." | Read more » about 6 years ago
Bronwen "You can find instructions for getting started with assembly of the desktop unit here: https://publiclab.org/notes/abdul/10-13-2016/desktop-spectrom..." | Read more » over 6 years ago
warren "Hi! There is a lot of support, Q&A, troubleshooting and activities at this page: https://publiclab.org/wiki/desktop-spectrometry-kit-3-0 And ..." | Read more » over 6 years ago
stef "Hi Would be usefull if we had a pix to view. " | Read more » about 7 years ago
warren "Hi, it looks like your spectrum is quite blurry -- see the examples in the activity here: https://publiclab.org/n/13410 Do you think you need to w..." | Read more » over 7 years ago
warren "I'm sorry - the tag should be #gain-control -- and although I don't have time myself at this point to do a live chat, you could perhaps ask on the ..." | Read more » over 7 years ago
Iqbaljurist "Dear Warren, @warren I could not click the hashtag. Also, could we have a live chat which we can discuss this topic any further? I do wait your r..." | Read more » over 7 years ago
warren "Hi, there are some steps for intensity calibration outlined in #exposure-calibration, but they're not that easy to follow -- we would love if you'd..." | Read more » over 7 years ago
Iqbaljurist "@cfastie Chris, I am now able to measure my spectra using iPhone, i dont know why using mobile device is way more effective than PC. Also, how do..." | Read more » over 7 years ago
cfastie "Jurist, I tried to calibrate your spectrum but Spectral Workbench would not complete the task. I don't know why it did not work. The intensity sc..." | Read more » over 7 years ago
Iqbaljurist "@warren Hi Warren, let me introduce myself. My name is jurist, im freshmen of physics engineering student in University of Gadjah Mada. Currently,..." | Read more » over 7 years ago
warren "I'm also looking for a better photo of a Desktop Spectrometry Starter Kit pointed at a CFL bulb, so if you have one please help me improve this post! " | Read more » over 7 years ago
viechdokter "Thanx Warren, it's kinda "scary" how nice and positive everyone here on the forum reacts to my musings/problems/requests... Almost looks like you..." | Read more » almost 8 years ago
warren "Thanks, I put a few notes to coders in there to try to kick it off. For reference, we def. need help from everyone, coding skills aside -- take a l..." | Read more » almost 8 years ago
viechdokter "Okay, I just created an account and mentioned the issue there. I am not a good programmer, so I can't contribute any code, but I am a user and can ..." | Read more » almost 8 years ago
warren "That sounds great. Do you have a Github account? If so, could you add that to https://github.com/publiclab/spectral-workbench/issues/new ? If not, ..." | Read more » almost 8 years ago
viechdokter "I like the latter approach ("does calibration still hold?") best. Otherwise you have to recalibrate each time for a new cross section which is a bi..." | Read more » almost 8 years ago
warren "Yes, it doesnt make the assumption that all cross sections are equal because it doesn't know if you uploaded or live-waterfall-captured -- uploads ..." | Read more » almost 8 years ago