Part 1. Basics of the IoT and the WoT

In part 1 we lay the basis of the Web of Things, what it is, and how it compares and relates to the Internet of Things. At the end of the first part you’ll have a broad understanding of the problems and challenges of building Internet of Things systems.

Chapter 1 introduces the Web of Things approach and discusses the various advantages it offers in numerous use cases and contexts.

Chapter 2 offers a high-level yet hands-on first encounter with the Web of Things. You’ll learn how to send requests to a real device in London and quickly write simple applications that interact with the device.

Chapter 3 describes why JavaScript is an excellent fit for embedded devices and the Web of Things and also provides a crash course on the Node.js framework and ecosystem.

Chapter 4 provides an introduction to the world of embedded systems, their various types, and their differences. Next, you’ll become familiar with the Raspberry Pi platform, learn how to connect sensors and actuators to your device, and then control it from Node.js applications.

Chapter 5 is a broad introduction to the various approaches and methods for interconnecting physical objects. In particular, you’ll learn about the benefits of and differences between the various networking protocols commonly used in the Internet of Things. At the end of the chapter, we propose a layered architecture for the Web of Things.