As the Internet of Things become new IoT trends, a lot of things are giving us various services by exchanging information among them. In this situation, the data exchange method between things, that is the IoT protocol, is classified as one of important things.
We can easily create our own IoT product if we take advantage of the higher penetration rate of smartphones and the current environment that makes it easy to access IoT products. In addition, cloud services that can be used to develop IoT product are also emerging as the number and type of IoT products continue to rapidly increase.
If you have an Arduino and Ethernet shield, you can utilize an Arduino as a web server. So, you can receive a data from sensor using a web server. In addition you can control sensor.