Tweaking4All.com - Getting started with the ESP8266 as an Arduino replacement
ESP8266 Arduino Core | How to blink In-build Blue LED in ESP8266 Module? - YouTube
An Introductory Guide to ESP8266, ESP-XX modules and NodeMCU pinout - Mechatronics Blog
NodeMCU Arduino core 2. LED On/Off from WebBrowser | alselectro
An Introductory Guide to ESP8266, ESP-XX modules and NodeMCU pinout - Mechatronics Blog
ESP8266-NodeMCU-kit-12-E-on-board-LED | Random Nerd Tutorials
NodeMCU Basic Project-Blink a LED - Instructables
ESP8266 NodeMCU PWM with Arduino IDE - Dim LED (Analog Output) | Random Nerd Tutorials
Built-in LED flashing esp8266 test - YouTube
NodeMCU Breathing LED with Arduino IDE – Arduining
Blink external LED using ESP8266 NodeMCU – IOT – Building Reliability
ESP8266 NodeMCU Hardware Specifications - Reset Flash Buttons & LED Indicators | Arduino, Esp8266 projects, Led indicator
How to build NodeMCU Webserver and control an LED from a Webpage
nodemcu - Does the Node MCU v3 (LoLin) not have a builtin led? - Arduino Stack Exchange
ESP8266 NodeMCU Web Server with Slider: Control LED Brightness (PWM) | Random Nerd Tutorials
LED Blinking using ESP8266 - NodeMCU
ESP32 LED Blink Example | Circuits4you.com
ESP01 pinout - automationcraze
ESP8266 Led Brightness control using Blynk and Arduino IoT Cloud
Basics — Micropython on ESP8266 Workshop 1.0 documentation
Turn off the second builtin Nodemcu 0.9 led - Arduino Stack Exchange
Introduction to the Internet of Things (IoT): ESP8266 architecture and Arduino GUI
