An IoT-based pervasive body hydration tracker (PHT)

Urinary system disorders may be prevented by achieving a good body hydration level (BHL). This paper investigated a measurement platform set-up for detecting the shade of the (yellow) colour of urine and its integration with the IoT principles for providing ubiquitous services to the users (citizens). We propose a smart IoT-based holistic system that consists of a urine colour measurement component to be fitted in urinals. Based on RGB colour theory, the system was implemented using a myRio board, which interacts with a mobile application. Bio-samples (urine) gathered from volunteers were tested using this board and with a hand-held refractometer. The results showed that it is possible to infer the BHL by analysing the blue values of RGB colour and by comparison with the recommended urine colour chart. We believe that the proposed system promotes sustainable healthy lifestyle through its ubiquitous “on-the-go” self-test solution and raises BHL awareness in a “greener” and more “personal” way.

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