A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.
Abstract: This article deals with the physical principle of operation of the optical fiber sensor, a description of its construction, use, and an analysis of the interference signal that the sensor ...
Abstract: A smart bathroom scale is presented in the paper. It is a classical bathroom scale enriched with the possibility of measuring a reflective photoplethysmographic (PPG) signal. To achieve such ...
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