Hardware technology developments and wireless communications enables the development of wireless sensor networks (WSNs). WSN will need to be connected to the Internet due to its variety of applications and their importance. This paper discusses the challenges in integrating WSN and IoT (Internet of Things). The best ways of integrating WSN and IoT for environmental monitoring are analyzed. The sensor node is developed to monitor environmental parameters such as temperature and humidity. The sensor SHT75 to sense the temperature and humidity of the environment, XBeePro to communicate with gateway, LCD to display information are interfaced with MSP430 Microcontroller. The microcontroller is used for processing, controlling and communicating the information. The sensor nodes are deployed to measure the parameter in the target area. The information is communicated to the world of Internet in one of the best integrating ways discussed in the paper.
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