The content of this material describes the different stages in the realization of a functional project used as an example. The project is entitled: LED V1.0 Basically, it consists of being able to control the on / off and power in a LED power device in two ways, both via the Internet through a virtual dashboard or "Dashboard" in Adafruit, and locally using a smartphone (Wi-Fi access).

NodeMCU is the development board based on the ESP8266 that makes life easier for those of us who want to develop connected devices. In this book we will give a review of the 5 most important points of NodeMCU .

This book gives hands on all IoT (internet of things ) related protocol, You will learn almost all IoT Protocols using NodeMCU ESP8266 and Arduino IDE, It covers many advance protocols such as WebSocket, MODBUS RTU, MODBUS TCP, UDP and sendning emails etc.