JSummers 34 research notes and 59 wiki edits | Joined over 5 years ago
I am an associate professor of chemistry at Western Carolina University. I am interested in developing open source hardware and software for environmental monitoring and science education.
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What's the best way of estimating the altitude of your balloon when mapping?
molangmuir10 asked about about 1 month ago
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Show all 7 comments »What soil testing methods might be good for someone who lives by a highway overpass?
stevie asked about about 2 months ago
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Show all 5 comments »I have found the website for WheeStat software very disorganized and confusing. Is the software (windows) available from anyone on CD or a central download for the interface and drivers?
oskarbob asked about 2 months ago
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Show all 3 comments »Does the "rolling shutter" aspect of cameras impact measurements?
jenjimah asked about 2 months ago
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Show all 3 comments »Diffraction grating (200nm - 400nm) & Light, Vendor/Source Identification
darkdimension asked about about 1 year ago
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Show all 4 comments »Quantitative analysis of wood moisture
MarcioPamplona asked about over 1 year ago
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Show all 9 comments »How to build a spectrometer for detecting fetanyl in street drugs using the Atmel SAM4S Xplained Pro
nyck31 asked about over 1 year ago
What is my potential all over the place?
Greg_H asked about over 1 year ago
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Show all 15 comments »Desktop Spectrometer Kit Availablility
bicwood asked about about 2 years ago
commented on Jan 06, 2018 0
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Show all 3 comments »Is it possible to log the data from a dustduino without a wifi network?
kp55 asked about over 4 years ago
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Show all 3 comments »View these maps at MapKnitter.org »
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| " You could get a local lab to test for metals using atomic absorption or atomic emission. You would have to look up the best technique for the met..." | Read more » | 22 days ago | ||
| " Getting the solar spectrum was a good idea. Clearly, the lines in this are not due to the light source and must be attributed to the detector. O..." | Read more » | 22 days ago | ||
| "You may be able to do this using the GPS on your phone with an app like Strava. I think the Z direction accuracy of GPS is not as good as the XY a..." | Read more » | about 1 month ago | ||
| " I think what you want will be called a barometer. It is what drones use to measure altitude. They are not super expensive, here is one for $6.70..." | Read more » | about 1 month ago | ||
| "How would this differ from wiki pages? Seems to me that the difficulty with wiki pages is keeping them up to date. That appears to be the problem ..." | Read more » | about 1 month ago | ||
| " @oskarbob, the drivers must be downloaded from texas instruments. You can get them from http://www.ti.com/tool/STELLARIS_ICDI_DRIVERS. Instructi..." | Read more » | 2 months ago | ||
| "Lehninger, Principles of Biochemistry, Fourth Edition, David L. Nelson and Michael, M. Cox. WHFreeman & Co, NY. Chapter 6, Sections 6.3 (Enzyme..." | Read more » | 6 months ago | ||
| " Hi Ag8n, Thanks for your interest. No, we are not headed toward chromatography although the flow cell & spectrometer are pretty well set up fo..." | Read more » | 6 months ago | ||
| " Hi Ag8n, Thanks for the comment. I am glad you are interested. We just connected the VBAT pin to the +3.3 volt bus. You did not miss any descrip..." | Read more » | 6 months ago | ||
| "Hi @iresal, The correct integration time is the 15 ms time. I think that is the minimum time to read the data from the output pin. The 4 ms value ..." | Read more » | about 1 year ago | ||
| "Hi @iresal, you are correct about the clock roll value being related to the integration time. As the code is written, the integration time equals ..." | Read more » | about 1 year ago | ||
| "You can get gratings from places like Thor Labs or Edmond Optics. For a uv lamp, I would look at Thor labs or spectrometer vendors like Ocean Opti..." | Read more » | about 1 year ago | ||
| "Hi @ONECore and @hmx, I just posted a research note on this topic. it is here: https://publiclab.org/notes/JSummers/06-03-2018/updating-the-wheet..." | Read more » | about 1 year ago | ||
| "Anyone interested in this project? I am working on code to use the Toshiba TCD1304 ccd in this project. I hope to have this to a point where I c..." | Read more » | about 1 year ago | ||
| "Nice project. This spectrometer could fit into an open-source chemical kinetics project I am working on. If you would be interested in collaborati..." | Read more » | over 1 year ago | ||
| "Hi @MarcioPamplona, Step one is to figure out where the absorbance shows up. By that I mean the wavelength that you need to detect. Googling "woo..." | Read more » | over 1 year ago | ||
| "Hi @Greg_H, If the altSPI files are not on your usb memory you can download them here: https://github.com/SmokyMountainScientific/altSPI There sho..." | Read more » | over 1 year ago | ||
| "Hi @Greg_H, I am sorry that you are still having trouble with your WheeStat. While it is possible that it is a software problem, it seems more like..." | Read more » | over 1 year ago | ||
| "Building a spectrometer is a fine university project, but this will not work for detecting fentanyl. Fentanyl does not absorb in the range where t..." | Read more » | over 1 year ago | ||
| "Hi @nyck31, The short answer to your question is no. The spectrometer will measure light in the visible and perhaps short IR wavelengths. Fentay..." | Read more » | over 1 year ago | ||
| "Hi, I do not think a peristaltic pump would work very well since it is not designed to have very precise volume control. I have a new syringe pump ..." | Read more » | over 1 year ago | ||
| "Hi @Greg_H, sorry you are having trouble. The microcontroller should be powered up, and it must be if you are getting any kind of readout at all. ..." | Read more » | over 1 year ago | ||
| "Hi Jeff, I was not aware of these technologies. Thanks for bringing them to my attention. Jack " | Read more » | over 1 year ago | ||
| "Hi, I just checked the software with Windows 10 and it seems to work fine. When I click the "save_run" button it opens a dialog box that allows yo..." | Read more » | over 1 year ago |
JSummers was awarded the Basic Barnstar by Matej for their work published in Automating valves using a magnetic position sensor..
