NodeMCU ESP8266 Vs. Arduino UNO Board
Getting Started with NodeMCU
Installing ESP8266 in Arduino IDE: A Step-by-Step Quick Guide - TechTOnions
Install ESP8266 in Arduino IDE step by step guide
Quickly getting started with NodeMCU / ESP8266 12E for Beginner — ESP Arduino Tutorial
Getting Started With NodeMCU (ESP8266) Using Arduino IDE - Learn Robotics
Getting Started with NodeMCU (ESP8266) on Arduino IDE
ESP8266 Thing Hookup Guide - SparkFun Learn
Installing ESP8266 NodeMCU Board in Arduino IDE 2.0 (Windows, Mac OS X, Linux)
Getting started with NodeMCU (ESP8266 tutorial #1)
ESP8266 Getting Started with Arduino IDE
Installing ESP8266 Board in the Arduino IDE: Step-by-Step Guide
How to Program ESP8266 with Arduino UNO - Iotguider