Control ESP8266 Over the Internet (from Anywhere) : 5 Steps (with Pictures) - Instructables
Why Smart Plugs don't require setting port forwarding on router and how to accomplish this with NodeMCU (ESP8266) - Arduino Stack Exchange
Access ESP8266 Server over Internet from Anywhere - A complete A-Z IOT GUIDE - YouTube
Web Controlled Servo Motor using Arduino and esp8266
I just created a UPnP IGD package. I use this to add port mappings to my router without the use of static IPs and static port forwarding rules. Enjoy! : r/esp8266
Command Your Arduino from Anywhere, Part 1 – Port Forwarding - Kunz, Leigh and Associates
How to Control ESP8266 Over Internet? | Electronics Hub
Port Forwarding– part 1 . Tips & Troubleshooting | alselectro
Controlling LEDs using ESP8266 as Web Server - IoT Project
Remote Serial Terminal Connectivity From Anywhere DT-06 WiFi - Hackster.io