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.
0 questions asked
6 answers posted
4 activities posted
0 activities attempted
Diffraction grating (200nm - 400nm) & Light, Vendor/Source Identification
darkdimension asked about 11 months ago
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Quantitative analysis of wood moisture
MarcioPamplona asked about about 1 year ago
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answered on Mar 18, 2018 2
answered on Mar 18, 2018 2
answered on Mar 18, 2018 2
answered on Mar 19, 2018 3
answered on Mar 19, 2018 0
answered on Mar 19, 2018 0
Show all 6 answers »How to build a spectrometer for detecting fetanyl in street drugs using the Atmel SAM4S Xplained Pro
Accepted
nyck31 asked about over 1 year ago
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Hi I'd like to know more on this project
Droopas asked about over 1 year ago
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answered on Jan 02, 2018 1
Show all 1 answers »What is my potential all over the place?
Greg_H asked about over 1 year ago
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answered on Jan 11, 2018 0
answered on Jan 11, 2018 0
answered on Jun 07, 2018 0
Show all 3 answers »please tell me
Abdulhakeem0801 asked about over 1 year ago
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answered on Nov 21, 2017 0
Show all 1 answers »View these maps at MapKnitter.org »
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Comments
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| " @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 days 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 » | 4 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 » | 4 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 » | 4 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 » | 10 months 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 » | 10 months 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 » | 11 months 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 » | 11 months 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 » | 11 months 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 » | about 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 » | about 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 | ||
| "Hi, For the hardware you made, use the firmware here:https://github.com/SmokyMountainScientific/D_SeriesWheeStatFirmware/tree/master/WheeStat6_d. ..." | Read more » | over 1 year ago | ||
| "Hi @momosavar, The WheeStat will run with about any rail-to-rail quad op amp that works with a 3.3 volt supply and comes in the 14-SOIC package. ..." | Read more » | over 1 year ago | ||
| "Hi @momosavar, it uses the ek-tm4c123gxl. The voltage range of the model 5 potentiostat is limited to +/- 1.65 volts. The newer model 7 will go t..." | Read more » | over 1 year ago | ||
| "Hi Aneesahmad, In the US, you can order one from my website, smokymtsci.com. Outside the US, you can contact me at my email summers at wcu dot edu..." | Read more » | about 2 years ago | ||
| "Hi @TUtam, I am not entirely up on this project but am somewhat familiar with Processing and am wiling to help. I downloaded the WheeTrometer GUI ..." | Read more » | almost 3 years ago |
JSummers was awarded the Basic Barnstar by Matej for their work published in Automating valves using a magnetic position sensor..
