Spectrometer
question:spectrometer

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Author Comment Last activity Moderation
mimiss "The Public Lab store also offers diffraction grating as an option when purchasing lego spectrometers. The grating that we carry is also 1000 lines/..." | Read more » over 3 years ago
JSummers "sure, you can do it. Of course the diffraction angle will be different. It looks like the dvd has 1300 lines per mm and the grating has 1000 so t..." | Read more » over 3 years ago
mimiss "Thank you for this idea! I have laser pointers in a few colors in my house that I can try out. On May 5, 2020, at 11:19 AM, notifications@publicla..." | Read more » almost 4 years ago
liz "I think I used a red laser and a green laser to get the calibration to work at some point... " | Read more » almost 4 years ago
kgradow1 "Could you use a laser pointer and still go through the same workflow with @cfastie's reference image? I'm not sure if the peaks would line up, th..." | Read more » almost 4 years ago
liz "Hi Damian, Sorry to hear of this trouble! Tomorrow, and every Tuesday at 3pm ET / 7pm GMT, find us on the video link listed at the top of: https://..." | Read more » almost 4 years ago
craftpk "Thanks, Srnec i found it " | Read more » over 4 years ago
srnec "Standalone software was also missing for me, so I created one. You can download here: https://lpuws.scot.sk/ screenshot: https://lpuws.scot.sk/lpuw..." | Read more » over 4 years ago
ishakore32 "Thanks for great info. [ How_to_loose_weight_without_gym_.pdf more](https://www.blogwithisha.blogspot.com/) " | Read more » over 4 years ago
warren "Hi! It's most likely your camera ribbon cable has become unseated somehow. It could be the longer ribbon or the tiny one on the camera board itself..." | Read more » over 4 years ago
warren "Oops, link: https://github.com/publiclab/spectral-workbench.js/issues/95 " | Read more » almost 5 years ago
warren "That's great! I think Siddhant is working through some errors here, if you are able to help out at all? " | Read more » almost 5 years ago
jenjimah " After getting more familiar with the spectral-workbench.org and spectral-workbench.js, this is exactly what I need (offline app grounded in the sp..." | Read more » almost 5 years ago
warren "Hello, yes - here's an example: https://spectralworkbench.org/spectrums/5765 " | Read more » almost 5 years ago
janajockovic47 "Okej,thank enyway.@Warren can you help me? uto, 7. maj 2019. 15:41 \<notifications@publiclab.org> је написао/ла: Hi! There's been a comment..." | Read more » almost 5 years ago
Ag8n " The last I knew, it took calibration to set up the wavelength. One way of doing that was with a compact florescent lamp. But there may have been..." | Read more » almost 5 years ago
janajockovic47 "Would you be able to read all the colors of the picture in nanometers (nm)? Than you. uto, 7. maj 2019. 00:28 \<notifications@publiclab.org>..." | Read more » almost 5 years ago
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Ag8n " Green is about 550 nm. Can you tell me the application the local people would like to use it for? Regards " | Read more » almost 5 years ago
janajockovic47 "Thank you for your quick response. This is the task we got for the local people and we were told that this site will read wavelengths and tell us i..." | Read more » almost 5 years ago
Ag8n " You usually measure visible spectrum in nanometers (nm). Resolution is measured the same way, but tested much differently. Can you give more inf..." | Read more » almost 5 years ago
warren "They're the same as the older paper spectrometer templates, yeah! But cut down a little more to fit nicely. You can find the outline to print here:..." | Read more » over 5 years ago
pdhixenbaugh "Hello, thanks for your question! Hopefully it gets an answer soon. :) " | Read more » over 5 years ago
warren "Hi, I think you could use the JavaScript version, SpectralWorkbench.js, to get an offline CSV of data - https://github.com/publiclab/spectral-workb..." | Read more » over 5 years ago