Wearable sensor measures UV index

The latest addition to STMicroelectronics’ portfolio of environmental sensors, the UVIS25 provides a direct digital output of UVI (ultraviolet index)—the international measurement of the strength of ultraviolet radiation, primarily from the sun, at a given place and time.Aimed at wearable devices, smart-phone, and tablet applications, the UVIS25 is sensitive to UV waves in the 200-nm to 400-nm range. This r ...

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