The main aim of this book is to teach the Arduino IDE and Micro-Python programming languages in ESP32 based projects, using the highly popular ESP32 DevKitC development board. Many simple, basic, and intermediate level projects are provided in the book using the Arduino IDE with ESP32 DevKitC. All projects have been tested and work. Block diagrams, circuit diagrams, and complete program listings of all projects are given with explanations. In addition, several projects are provided for programming the ESP32 DevKitC using MicroPython. The projects provided in this book are designed to teach the following features of the ESP32 processor:

GPIOs

Touch sensors

External interrupts

Timer interrupts

I2C and I2S

SPI

PWM

ADC

DAC

UART

Hall sensor

Temperature sensor

Infrared controller

Reading and writing to SD card

Reading and writing to flash memory

RTC timer

Chip ID

Security and encryption

Wi-Fi and network programming

Bluetooth BLE programming

Communication mobile devices

Low power design

ESP-IDF programming The projects have been organized with increasing levels of difficulty. Readers are encouraged to tackle the projects in the order given. A specially prepared hardware kit is available from Elektor. With the help of this hardware, it should be easy and fun to build the projects in this book.

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