NodeMCU is the Development Kit based on ESP8266 with NodeMCU firmware. This book helps you to get started with NodeMCU v2 development. The following is highlight topic in this book: * Preparing Development Environment * Setting up NodeMCU * Lua Programming Language * GPIO Programming * PWM and Analog Input * Working with I2C * UART * SPI * Working with OLED Display * Connecting to a Network