Book Image

Developing IoT Projects with ESP32

By : Vedat Ozan Oner
Book Image

Developing IoT Projects with ESP32

By: Vedat Ozan Oner

Overview of this book

Developing IoT Projects with ESP32 provides end-to-end coverage of secure data communication techniques from sensors to cloud platforms that will help you to develop production-grade IoT solutions by using the ESP32 SoC. You'll learn how to employ ESP32 in your IoT projects by interfacing with different sensors and actuators using different types of serial protocols. This book will show you how some projects require immediate output for end-users, and cover different display technologies as well as examples of driving different types of displays. The book features a dedicated chapter on cybersecurity packed with hands-on examples. As you progress, you'll get to grips with BLE technologies and BLE mesh networking and work on a complete smart home project where all nodes communicate over a BLE mesh. Later chapters will show you how IoT requires cloud connectivity most of the time and remote access to smart devices. You'll also see how cloud platforms and third-party integrations enable endless possibilities for your end-users, such as insights with big data analytics and predictive maintenance to minimize costs. By the end of this book, you'll have developed the skills you need to start using ESP32 in your next wireless IoT project and meet the project's requirements by building effective, efficient, and secure solutions.
Table of Contents (18 chapters)
Section 1: Using ESP32
Section 2: Local Network Communication
Section 3: Cloud Communication


Let's test our knowledge with the following questions of this chapter:

  1. For a UART connection given as 9600, 8N1, which information is not provided?

    a) Baudrate

    b) Parity

    c) The start bit

    d) The stop bit

  2. Which one is not true when we compare UART with other serial protocols such as I2C or SPI?

    a) UART is an asynchronous protocol, while others are not.

    b) UART doesn't need a common clock.

    c) UART is peer-to-peer, while others support multiple devices on the same bus.

    d) UART has two different lines for transmit and receive, while others use a single line for data.

  3. Which is not true as an I2C and I2S comparison?

    a) I2S is specifically for sound, while I2C is a generic protocol.

    b) They need the same number of pin connections.

    c) I2S uses a channel select signal.

    d) They both have a master clock.

  4. In which modes does ESP32 RAM keep existing data without any loss (that is, full RAM retention)?

    a) Modem sleep and light sleep

    b) Light sleep and deep sleep

    c) Deep...