Introduction to ESP Development Boards

In this book, we will be using two types of ESP-based development boards manufactured by Espressif Systems (688018.SH). Espressif Systems is a public multinational, fabless semiconductor company established in 2008. They mainly develop state-of-the-art Wi-Fi and Bluetooth-based IoT development boards and SoCs. Their popular products include the ESP8266 (the chipset powering the popularly known NodeMCU), ESP32, ESP32-S, and ESP32-C series of chips, modules, and development boards.

This chapter introduces you to two of the most popular development boards: the ESP8266 based NodeMCU and the ESP32 development board. The chapter is divided into 3 main sections:

• ESP8266-based NodeMCU development board
• ESP32-based development board
• Mini-Project 1: NodeMCU as an MQTT client

This chapter will be divided into three main sections. The first two sections will provide details about these development boards, discussing each point listed...