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IJSTR >> Volume 10 - Issue 10, October 2021 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Development Of A Freertos Based Novel Gateway For Iot Applications

[Full Text]

 

AUTHOR(S)

Giang Truong Le, Thang Viet Tran, Phuc Thinh Doan, Trong Hai Nguyen

 

KEYWORDS

FreeRTOS, Wireless sensor network, Internet of Things, IoT application, Sensors, Microcontroller, Web IoT.

 

ABSTRACT

A novel radio frequency (RF) gateway is designed and implemented by using an open-source real-time operating system for wireless communication between sensor node and server over the internet network. The proposed RF gateway consists of a Dual-core microcontroller unit, a wireless transceiver module that operates at a frequency of 433 MHz and a local user interface website configuration. By using three low-power wireless sensor nodes, we can experiment with the designed RF gateway, that is, connected to commercial environment sensors and collecting data such as water temperature sensors. The proposed RF gateway can simultaneously execute multitasking with a set of different priorities and in particular, it can collect and store measured sensor data in 30 days, and as a server transferring measurement results from nodes to an IoT dashboard by using Websocket protocols. In addition, a friendly portable interface website is designed to manage and illustrate parameters and as control wireless actuator node in offline mode. This system was implemented by using an open-source real-time operation system (FreeRTOS) and a single high-speed multicore microcontroller unit that is a promising option for most of the applications in the Internet of Things.

 

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