This book is written for readers who want to use ESP32 in depth, from basic GPIO, built-in magnetic sensor, capacitive touch switch, IoT applications, Bluetooth LE, low power sleep mode, the underlying FreeRTOS operating system, etc.

Based on the Blynk IoT platform, this book guides readers to create IoT projects through the project practice, the hardware in this book is a customized ESP8266 learning development board. This book first introduces some concepts of the Internet of Things, and introduces the method of constructing the Internet of Things development environment based on the understanding of the Internet of Things development board.

This book focuses on the various applications of the ESP8266 module with Arduino and JavaScript. The book includes the use of jQueryMobile to develop mobile web pages, zero-configuration network, instant temperature and humidity website, network light controller, ultrasonic control light brightness, use SD memory card to record temperature and humidity, Bluetooth robot remote control mobile app, control Arduino through mobile phone USB interface, mobile phone acceleration sensors, and other diversified examples.