Proceedings of the 2025 2nd International Conference on Electrical Engineering and Intelligent Control (EEIC 2025)

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Principle and Application of Biological Signals Gained from the Sensor on Smart Watch

Authors
Haokun Shi1, *
1Maynooth International Engineering College, Fuzhou University, 350116, Fuzhou, China
*Corresponding author. Email: HAOKUN.SHI.2024@mumail.ie
Corresponding Author
Haokun Shi
Available Online 23 October 2025.
DOI
10.2991/978-94-6463-864-6_23How to use a DOI?
Keywords
Biological Signal; Electrocardiogram; Sensor; Photoplethysmography; Electrodermal Activity
Abstract

The smart watch is a prevalent wearable device in the consumer electronics market. Its multifunctionality and handiness are the main advantages of the smart watch. Inside the smart watch, multiple miniature sensors make the smart watch available to realize various functions such as measuring sports kinetic parameters, monitoring oxygen saturation and calculating deep sleep time of its owner. Among the sensors, the photoplethysmography sensor, the electrocardiogram sensor and the electrodermal activity sensor take crucial parts of collecting and analyzing biological signal. Based on those, the heart rate, blood oxygen, level of physiological stress and anxiety can be easily shown to users. This paper, starting from the needs of smart watch users for the collection and analysis of biological signals during daily life, reviews academic writing about the latest developments on wearable device sensors. The principle of those sensors will be introduced, and their applications will be discussed, including methods of handling original signals, some ways to optimize the components of the sensors and their future in the wearable device market. The study methods being used in this paper are literature review method and case study method.

Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 2025 2nd International Conference on Electrical Engineering and Intelligent Control (EEIC 2025)
Series
Advances in Engineering Research
Publication Date
23 October 2025
ISBN
978-94-6463-864-6
ISSN
2352-5401
DOI
10.2991/978-94-6463-864-6_23How to use a DOI?
Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Haokun Shi
PY  - 2025
DA  - 2025/10/23
TI  - Principle and Application of Biological Signals Gained from the Sensor on Smart Watch
BT  - Proceedings of the 2025 2nd International Conference on Electrical Engineering and Intelligent Control (EEIC 2025)
PB  - Atlantis Press
SP  - 215
EP  - 224
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-864-6_23
DO  - 10.2991/978-94-6463-864-6_23
ID  - Shi2025
ER  -