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Re:Taking the SCiO Food Analyzer Grocery Shopping by joshvm on Thursday March 23, 2017 @08:44PM (#13945651)
About $200 for a hamamatsu breakout: https://groupgets.com/manufacturers/hamamatsu-photonics/prod...

They've just finished a round, but they're reasonably regular.

Re:Taking the SCiO Food Analyzer Grocery Shopping by hgchoi on Thursday March 23, 2017 @08:47PM (#13945661)
Also, ~$150 for a nanolambda nsp32 spectrum sensor

https://www.nanolambda.net