Installing ESP8266 in Arduino IDE (Windows, Mac OS X, Linux) | Random Nerd Tutorials
Amazon.com: ideaspark 3pcs ESP8266 NodeMCU CH340 ESP-12E WiFi Wireless Internet Development Board Serial Module with Micro USB Cable Works Great for Arduino IDE : Electronics
Getting Started With NodeMCU ESP8266 Arduino IDE | A Beginner's Guide
Send Data From Arduino to NodeMCU and NodeMCU to Arduino... - Hackster.io
Interfacing NodeMCU ESP8266 with Arduino Uno - Programming Questions - Arduino Forum