I don't know much about spectrometers, but I thought [these guys](https://www.kickstarter.com/projects/903107259/scio-your-sixth-sense-a-pocket-molecular-sensor

I don't know much about spectrometers, but I thought [these guys](https://www.kickstarter.com/projects/903107259/scio-your-sixth-sense-a-pocket-molecular-sensor-fo/description https://www.kickstarter.com/projects/903107259/scio-your-six...) had some good suggestions when I saw their campaign last year.