[IoT Related] Miyoshi City and Ikeda Town have installed and started operating an IoT-based rainfall observation system at the former Noronai Elementary School.

In November 2019, we installed and began operating an IoT-based rainfall observation system in Miyoshi City, Ikeda Town, and the former Norouchi Elementary School. About three months have passed, and the rainfall data is being smoothly uploaded to the Tokushima IoT platform. We have adopted SoftBank's dedicated IoT wireless communication technologies "NB-IoT" and "Cat.M1" as the access network to the Tokushima IoT platform, contributing to a reduction in communication costs compared to conventional methods. Additionally, we have achieved energy-saving and autonomous operation through solar battery power supply.
The area, including the former Norouchi Elementary School, was reportedly severely affected by landslides due to heavy rainfall in 2014. The rainfall data can be checked on a dashboard via PC or smartphone through the Tokushima IoT platform, and alerts are sent when rainfall amounts reach abnormal levels, enabling remote monitoring, analysis, and decision-making. We are confident that this will allow for pre-analysis and countermeasures before physically visiting the site. Through this system, we aim to further contribute to the efforts of Miyoshi City in ensuring the safety and security of residents through disaster prevention and mitigation initiatives.


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