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With the IIJ Water Management System Platform for Paddy Fields, data retrieved from IoT sensors that measure the water level and water temperature of paddy fields is stored on the cloud via wireless communication and can be checked remotely on a smartphone or other device.
Conditions of paddy fields can be grasped using a smartphone while at home or in the workplace, which greatly reduces the amount of labor required for the water management of paddy fields.
The sensors installed in paddy fields measure the water level and water temperature at 30-minute intervals. This makes it easier to perform water circulation work, and water leaks, water level abnormalities, and high-temperature damages can be detected from the stored data. The results of the data analysis can be used for the next year's farming plan, thereby contributing to the stabilization of yields and quality.
LoRaWAN®, which features unlicensed bands, a radio range of several kilometers, and low power consumption powered by batteries, is adopted. In addition to allowing the connection of multiple paddy field sensors to one wireless base station, it also makes it possible to control the automatic water supply valves and weather sensors of other companies.
The paddy field sensors have a simple design that enables measurement of the water level and water temperature only, which reduces costs. (They can run for one season on just two AA batteries.) The use of LoRaWAN® also eliminates communication charges for individual devices, and the more paddy field sensors are used, the lower the communication cost per paddy field sensor.
Besides paddy field sensors, automatic water supply valves and various other sensors can be easily connected.
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