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Getting Started with the Internet of Things by Cuno Pfister

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Chapter 4. The Internet of Things

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.

A PC and a device connected through the Internet

Figure 4-1. A PC and a device connected through the Internet

The TCP/IP protocol is ...

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