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How to Control LED using ESP8266 + Blynk IOT This project demonstrates how to control an LED using your smartphone through the Blynk app and an ESP8266 (NodeMCU) board. It's beginner-friendly and a great introduction to IoT and home automation using Blynk Components Required - ESP8266 NodeMCU - LED - 220 Ohm Resistor - Breadboard and Jumper Wires - Smartphone with Blynk App Installed - Micro USB Cable STEPS TO CONTROL LED USING BLYNK APP Step:1 OPEN https://blynk.io/ Signup using your email id Step:2 follow the tutorial to setup the Blynk App to control LED Step:3 copy #define BLYNK_TEMPLATE_ID "TMPL22B8JI4Gr" #define BLYNK_TEMPLATE_NAME "Home automation series" and Token Step:4 CODE Below Step:5 confirm the board and port before uploading the code board: esp8266 > NodeMCU 1.0 port: check it in device manager and ports Step:6 now check in Blynk iot > my device > device should be online an...

ESP8266 NodeMCU Setup & Programming – The Only Guide You Need!

- March 30, 2025

ESP8266 NodeMCU Setup & Programming – The Only Guide You Need! Introduction NodeMCU ESP8266 is a low-cost Wi-Fi microcontroller that enables IoT applications with ease. This guide will walk you through setting up and programming your ESP8266 NodeMCU, from installation to running your first project. Hardware & Software Requirements Hardware: ESP8266 NodeMCU board USB to Micro-USB cable Breadboard and jumper wires LED and resistor (for testing output) Software: Arduino IDE ESP8266 board package CH340/CP2102 USB driver (if required) Setting Up the Environment Step 1: Install Arduino IDE Download and install the Arduino IDE from the official Arduino website . Step 2: Install ESP8266 & ESP32 Board Package Open Arduino IDE Go to File > Preferences In Additional Board Manager URLs, enter: https://dl.espressif.com/dl/package_esp32_index.json, http://arduino.esp8266.com/stable/package_esp8266com_index.json Click OK and open Boar...