Plastic solid waste identification system based on near infrared spectroscopy
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Updated
Mar 11, 2023 - Jupyter Notebook
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plastic-identification
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Handheld near-infrared scanner that identifies common plastic resins (PET, HDPE, PP, PS, PVC) in about a second using a low-cost multispectral sensor, shows the result and a local price grade, and logs scans. It pairs with WasteWise-ml for items the spectrum cannot resolve.
handheld open-hardware recycling cern-ohl circular-economy open-source-hardware build123d nir-spectroscopy design-molecule plastic-identification
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Updated
Oct 3, 2026 - Python
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