I've been working on an open-source design for a UV/Vis spectrometer
suitable for general lab use. My objective is to develop an
instrument that can be built for USD 500 or less and cover the
wavelengths commonly needed in a molecular biology lab. When I
started this project a couple of years ago, I couldn't find any other
similar efforts. Unfortunately, I had to put the whole project on
hold for over a year to work on another project that we received NIH
funding for. At this point, I've completed the electrical design and
have written code to run on the embedded ARM processor as well as PC-
side software to display the captured spectrum. I've documented some
of my efforts on my blog, http://quantalume.com. Over the next week,
I'll be bringing the blog up to date with the rest of the development
that I've completed, and I'll also resume work on the optics, which is
the next major design hurdle.
By open sourcing the design, anyone will be able to modify it to suit
his or her own needs. I plan to make available sub-assemblies and
possibly a complete kit for those without electronics experience. I'm
open to any suggestions for improvement and collaboration, and I'll
soon place the code, schematics, etc. on GitHub for community review.
There are a couple of other groups working on an open-source
spectrometer now including Nathan McCorkle, so the community should
soon have something to work with.
Regards,
David
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