In this concluding chapter, we will learn how to use the Arduino platform in the fast emerging Internet of Things world. All of us have heard about the buzzword Internet of Things (IOT). The IOT is a growing network of physical devices that can connect to the existing internet and exchange data with other devices.

For example, it is possible for the microprocessors embedded in a car in Paris, or in a car in New York, to communicate with another car parked in New Delhi--all this over the existing internet, but using some special platforms, techniques, and protocols. In this chapter, we will look at the basics of connecting physical devices to the internet and a simple technique of transmitting data from physical devices, irrespective...