Arduino Spectrometer-on-a-Chip

A California-based start-up called NanoLambda have developed a low-cost ($10) spectrometer sensor chip called Apollo which makes possible a wide range of new sensing applications. The sensor is capable of measuring individual wavelengths of light and is accurate to 1 nm with 10 nm resolution. Optical spectroscopy is a very powerful non-invasive diagnostic technique and has been …

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