How to Install ESP8266(Nodemcu) Board in Arduino IDE 2025 Guide

In this video, I’ll show you how to download and install the ESP8266 board in Arduino IDE step-by-step. This method works for all popular ESP8266 boards like NodeMCU, Wemos D1 Mini, and more.

🔗 ESP8266 Board URL:

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🔧 ESP8266 Blink Code:
void setup() {
pinMode(LED_BUILTIN, OUTPUT); // Initialize onboard LED pin as output
}

void loop() {
digitalWrite(LED_BUILTIN, LOW); // Turn the LED on (LOW = ON for ESP8266)
delay(1000); // Wait for 1 second
digitalWrite(LED_BUILTIN, HIGH); // Turn the LED off
delay(1000); // Wait for 1 second
}