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...