IOT Home Automation | PCB | 9 Channel

YouTube Tutorial:-

Materials:-

NODEMCU ESP8266

5V Relay

BC547

330 ohm Resistor

IN4007 Diode

7805 Regulator

LED

Terminal Connector

Female Header

DC Power Socket

Micro USB Socket

Schematic:-

Gerber PCB File:- https://drive.google.com/open?id=1Rw8Wp4hMWSWmBoPDxp9r9OSrtkHxYalu

Refer this video to add Buttons in your Blynk Application:-

Code:-