Measurement Of Physical Quantities And Their Long-Distance Transmission Using Lora Modules
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This paper discusses wireless transfer of physical quantities using the LoRaWAN network. Specifically, it acquaints readers with the problematics of long-distance carbon dioxide measurement and data transfer through the LoRaWAN network. The main goal is to describe particular components of a LoRa system that provides such transmission. This system is comprised of a carbon dioxide sensor attached to a LoRa module which sends its data to a LoRa gateway every two minutes. The gateway then resends the gathered information to a LoRa server where it is converted into a JSON format and sent to an API client. Afterwards, the data is uploaded into a database and it is put into context with preceding measurements utilising a graph. The system then compares the latest measurement with the set carbon dioxide concentration limit and displays the result using an array of red/green LED diodes, depending on whether the limit was exceeded or not.
KeywordsLoRa gateway, LoRa modules, LoRa server, wireless transmission of physical quantities, long distance, carbon dioxide
Document typePeer reviewed
Document versionFinal PDF
SourceProceedings I of the 26st Conference STUDENT EEICT 2020: General papers. s. 10-13. ISBN 978-80-214-5867-3
- Student EEICT 2020