Development of Wireless Sensor Node and Controller Complying with Communication Interface Standard for Smart Farming
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The sensor node is a basic unit of a greenhouse control system that collects environment data and sends them to an environment controller. It is important for the sensor node and the controller to share a common communication protocol to enable effective communication. The objective of this research was to develop a wireless sensor node complying with a communication interface standard between a sensor node and a controller and to evaluate variation in data transmission rate with distance.
The TTAK.KO-06.0288-Part1/R1 standard was selected as a communication interface standard; it was analyzed and implemented with a C++ library. A sensor node and a controller were designed to communicate with the library wirelessly using Bluetooth. The system was tested in a greenhouse to evaluate the variation in data transmission rate with changes in the distance between the components.
A C++ library, libgnode, was developed and successfully implemented for transmitting data from the sensor node to the controller, complying with the TTA standards. The data transmission rate was 100% up to a distance of 25 m between the sensor node and the controller.
The libgnode library can be utilized to improve the interoperability between components of a greenhouse control system. However, further research into the use of long-distance wireless communication methods (e.g., Zigbee or LoRa) is warranted in order to extend the communication coverage area in the greenhouse.
KeywordsCommunication interface standard Interoperability Sensor node Smart farming TTAK.KO-06.0288-Part1/R1
This work was supported by Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry (IPET) through Agriculture, and the Food and Rural Affairs Research Center Support Program, funded by the Ministry of Agriculture, Food and Rural Affairs (MAFRA) (717001-07-3-HD320).
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they have no conflict of interests.
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