Now that you have seen how to work with simple sensors and actuators, it is time to take the next step toward an Internet of Things application. In this chapter, I will briefly introduce the Internet of Things, and the related Web of Things.
The Internet of Things is a global network of computers, sensors, and actuators connected through Internet protocols.
A most basic example is a PC that communicates over the Internet with a small device, where the device has a sensor attached (e.g., a temperature sensor), as shown in Figure 4-1.
Figure 4-1. A PC and a device connected through the Internet
The TCP/IP protocol is ...
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