Application of humidity sensors for monitoring built cultural heritage
DOI:
https://doi.org/10.46421/entac.v20i1.5771Keywords:
Sensor, Historical heritage, Moisture, Digital TwinAbstract
This article presents a study on the use of capacitive humidity sensors to monitor rising and falling humidity phenomena in historic masonry buildings. The proposed system consists of installing a mesh of capacitive humidity sensors on the facades of buildings, which communicate with a digital model of the building dedicated to monitoring pathologies in the built environment. During the research process, the layers of data collection, communication (wireless network) and the interface with the BIM model — “Building Information Modeling” were implemented. The microcontroller used for the integration between the physical and digital object was the ESP32, a low-cost and low-power integrated board. Preliminary research results demonstrate that, through the use of low-cost sensors, it is feasible to combine advanced sensing technology with the conservation of built cultural heritage. Furthermore, it is possible to avoid problems that could compromise the integrity of the building, incur significant repair costs, as well as pose risks to the health of occupants due to the presence of mold and fungi.
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