The thesis focuses on the testing of wearable measurement devices in the form of rings. The primary problem addressed in this work is the assessment of the effectiveness and reliability of these devices in measuring electrodermal activity (EDA), electrocardiogram (EKG), photoplethysmogram (PPG), and temperature data under various conditions. The methods used in the research include the simultaneous use of multiple rings, evaluation of the impact of placement position and involuntary movements of the finger, wrist, or hand, as well as measuring the charging time and battery life. The results of the experimental part demonstrated that the wearable measurement devices are reliable and accurate, significantly contributing to a better understanding and acceptance of such technologies in practical applications. The main conclusion of the research is that ring-shaped measurement devices offer a promising solution for accurately monitoring biological signals in real-time.
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