What this book covers

Chapter 1, Getting Started with ESP32, introduces you to IoT technology in general, the ESP32 hardware, and development environment options.

Chapter 2, Talking to the Earth – Sensors and Actuators, discusses different types of sensors and actuators and how to interface them with ESP32.

Chapter 3, Impressive Outputs with Displays, explains how to select and use different display types in ESP32 projects. FreeRTOS is also discussed in detail.

Chapter 4, A Deep Dive into the Advanced Features, covers audio/video applications with ESP32 and the power management subsystem for low-power requirements.

Chapter 5, Practice – Multisensor for Your Room, is the first reference project in the book, where several sensors are integrated as a single ESP32 device.

Chapter 6, Good Old Friend – Wi-Fi, shows how to use ESP32 in the station and access point modes of Wi-Fi. Some TCP/IP protocols are discussed in the context of ESP32.

Chapter 7, Security First!, explores the security features of ESP32 and provides examples of secure firmware updates and secure communication techniques.

Chapter 8, I Can Speak BLE, introduces the BLE basics and shows how to develop a BLE beacon, a GATT server, and BLE mesh nodes.

Chapter 9, Practice – Making Your Home Smart, builds a full-fledged smart home solution with a gateway, a light sensor, and a relay switch in a BLE mesh network.

Chapter 10, No Cloud, No IoT – Cloud Platforms and Services, discusses the important IoT protocols and introduces the IoT platforms from different providers with an example of AWS IoT integration.

Chapter 11, Connectivity Is Never Enough – Third-Party Integrations, focuses on integration with popular services such as voice assistants and IFTTT.

Chapter 12, Practice – A Voice-Controlled Smart Fan, converts an ordinary fan into an Alexa-enabled smart device as the last project of the book.