Reminds me of this IR spectrometer that started as a $400 Kickstarter project: https://www.consumerphysics.com/ https://www.consumerphysics.com/ and became a

Reminds me of this IR spectrometer that started as a $400 Kickstarter project: https://www.consumerphysics.com/ https://www.consumerphysics.com/ and became a successful product (for industry, not so much for consumers though it was initially sold to consumers for drug identification and testing food freshness.)