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- Title
Portable Pulse Meter with Simple Design.
- Authors
Tian-Syung Lan; Yan Jiao; Xuan-Jun Dai; Ho-Sheng Chen; Zhingqing Yang
- Abstract
We aim to propose a simple design of a pulse meter. Pulse measurement is primarily based on a single-chip microcontroller unit (MCU) that receives the signal of a fingertip pulse and converts it into electrical signals using an infrared sensor. The signals are amplified and filtered by the proposed circuit and software. The pulse meter displays the measured value on a liquid crystal display (LCD) 1602 screen. The result with the prototype pulse meter with the proposed circuit design and software shows an accuracy of 98.9-102.5% and a relative standard deviation of 0.82-0.90%. The proposed design provides the basis for developing further improved pulse meters that are appropriate for mobile devices.
- Subjects
DESIGN software; SOFTWARE architecture; STANDARD deviations
- Publication
Sensors & Materials, 2021, Vol 33, Issue 11,Part 3, p4077
- ISSN
0914-4935
- Publication type
Article
- DOI
10.18494/SAM.2021.3537