Low-cost 3D printed 1 nm resolution smartphone sensor-based spectrometer: instrument design and application in ultraviolet spectroscopy
GitHub - LukasJanavicius/Low-Cost-Integrated-Spectrometer: ESP 32 based device, combines an integrated photonic circuits with low cost data-acquisition.
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Dtr2500 Low Cost Spectrophotometer Device Price Portable Raman Spectrometer - China Spectrophotometer, Spectrophotometer Price | Made-in-China.com
![Spectra collected by the low cost spectrometer for various light sources. | Download Scientific Diagram Spectra collected by the low cost spectrometer for various light sources. | Download Scientific Diagram](https://www.researchgate.net/publication/283091883/figure/fig3/AS:391453319680004@1470341152644/Spectra-collected-by-the-low-cost-spectrometer-for-various-light-sources.png)
Spectra collected by the low cost spectrometer for various light sources. | Download Scientific Diagram
![Sensors | Free Full-Text | PHYLIS: A Low-Cost Portable Visible Range Spectrometer for Soil and Plants Sensors | Free Full-Text | PHYLIS: A Low-Cost Portable Visible Range Spectrometer for Soil and Plants](https://www.mdpi.com/sensors/sensors-17-00099/article_deploy/html/images/sensors-17-00099-g001.png)
Sensors | Free Full-Text | PHYLIS: A Low-Cost Portable Visible Range Spectrometer for Soil and Plants
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