Small, low-cost light sensors using photonic crystals

The video tutorial discusses the development of a low-cost spectral sensor for light and color measurement. It highlights the sensor's applications in various fields such as molecular spectroscopy, industrial uses, health and wellness, and security. The tutorial also covers the technical details of the sensor, including its prototypes and integration into electronic systems. The sensor's advantages over competing technologies, such as its wider spectral range and higher resolution, are emphasized.

What are the main applications of the low-cost spectral sensor mentioned in the text?

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How does the spectral sensor differentiate itself from competing technologies?

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Describe the significance of the spectral range and resolution in the context of the sensor's capabilities.

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What types of measurements can the spectral sensor perform?

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In what ways can the spectral sensor be utilized for security purposes?

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