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Developing IoT Projects with ESP32

You're reading from   Developing IoT Projects with ESP32 Automate your home or business with inexpensive Wi-Fi devices

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Product type Paperback
Published in Sep 2021
Publisher Packt
ISBN-13 9781838641160
Length 474 pages
Edition 1st Edition
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Author (1):
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Vedat Ozan Oner Vedat Ozan Oner
Author Profile Icon Vedat Ozan Oner
Vedat Ozan Oner
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Using ESP32
2. Chapter 1: Getting Started with ESP32 FREE CHAPTER 3. Chapter 2: Talking to the Earth – Sensors and Actuators 4. Chapter 3: Impressive Outputs with Displays 5. Chapter 4: A Deep Dive into the Advanced Features 6. Chapter 5: Practice – Multisensor for Your Room 7. Section 2: Local Network Communication
8. Chapter 6: A Good Old Friend – Wi-Fi 9. Chapter 7: Security First! 10. Chapter 8: I Can Speak BLE 11. Chapter 9: Practice – Making Your Home Smart 12. Section 3: Cloud Communication
13. Chapter 10: No Cloud, No IoT – Cloud Platforms and Services 14. Chapter 11: Connectivity Is Never Enough – Third-Party Integrations 15. Chapter 12: Practice – A Voice-Controlled Smart Fan 16. Other Books You May Enjoy

Questions

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...

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