Strain gauge sensor for the Internet of Things

Zdenek Slanina , Radovan Hajovsky , Michal Cepelak , Wojciech Walendziuk

Abstract

The aim of this article is to design and implement smart devices for measuring roof loads and then early warning system. The resulting measurement unit consists of a resistance strain gauge whose analog output is converted to a 24-bit digital value using the Avia Semiconductor's HX711 A/D converter, which is further processed in a Raspberry Pi microcomputer. The processed data are supplemented with the current temperature measurement at the strain gauge to check its temperature dependence and sent to the In uxDB database. The warning and data monitoring system is then handled by the Chronograph interface. This article includes a small research for the use of strain gauge for this type of measurement.
Author Zdenek Slanina
Zdenek Slanina,,
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, Radovan Hajovsky
Radovan Hajovsky,,
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, Michal Cepelak
Michal Cepelak,,
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, Wojciech Walendziuk (FEE / DTEM)
Wojciech Walendziuk,,
- Department of Theoretical Electrotechnics and Metrology
Pages151-153
Publication size in sheets0.3
Book Romaniuk R. S., Linczuk M. (eds.): Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2019, SPIE Proceedings Series, no. vol. 11176, 2019, SPIE - The International Society for Optics and Photonics, ISBN 9781510630659, 268 p., DOI:10.1117/12.2540673
DOIDOI:10.1117/12.2536882
Internal identifierROC 19-20
Languageen angielski
Score (nominal)20
Score sourcepublisherList
ScoreMinisterial score = 20.0, 17-02-2020, ChapterFromConference
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