It's a dirt-cheap Spectrometer, but pretty decent...
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Bayer filter removal on a Pi Camera: Laser stripping, CFA removal, debayering, and UV conversion.
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Speedrunning 30yrs of lithography technology
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Cheap Spectrometers are really Damn Useful.
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How to setup and calibrate this super cheap spectrometer
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Raysid vs Radiacode: scintillators proliferation
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DIY mass spectrometer measures potassium in dietary salt substitute
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Building a DIY spectrometer
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