Blink NodeMCU on-board LED using Arduino IDE with esp8266 library - YouTube
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Led blink code using NodeMCu - Interfacing w/ Software on the Computer - Arduino Forum
ESP8266 (WiFi): Hacer que parpadee un LED desde el IDE de Arduino | Robots Didácticos
nodemcu - Does the Node MCU v3 (LoLin) not have a builtin led? - Arduino Stack Exchange
NodeMCU Arduino core 2. LED On/Off from WebBrowser | alselectro
Tweaking4All.com - Getting started with the ESP8266 as an Arduino replacement
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Encender y apagar LED con NodeMCU ESP8266 - Parzibyte's blog
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Programando NODEMCU con Arduino IDE | Tienda y Tutoriales Arduino
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