This is a getting started guide for the ESP8266 NodeMCU Wo-Fi module. It also includes a video tutorial. You can use an Arduino or a FTDI programmer to send commands.
This module is cost effective and thus used widely in many applications like the Internet of things and much more.So in this article, we are going to discuss key features of ESP8266, pins specifications, how to use this board for programming purposes and a sample program.