IoT Based Home automation

Updated: Jul 2, 2021



In This tutorial to build a standalone ESP8266 NodeMCU Web Server that controls any relay module. We’ll create an ESP8266 Web Server and it can be accessed with any device with a Web browser in your local network.


Circuit Diagram

Components Required

ESP8266 12E

4 Channel Relay Module

Jumper wires


4 Channel Isolated 5A or 10A Relay HW-316

The 4 Channel Relay Breakout is an easy way to use your Arduino, Raspberry Pi, or other microcontroller to switch high voltages and high cur