Blynk Home Automation Physical Button Feedback Status



YouTube Tutorial:-


Materials:-

NodeMCU ESP8266

Relay

Push Button (Tactile Button)

330 ohm resistor

1N4007 Diode

LED

BC547 / 2N2222 Transistor

Block Terminal Connector

PCB Header

5V Power Adapter


Circuit:-


BreadBoard Circuit


Schematic:-


AC Voltage Bulb Holder Wiring



Download PCB Gerber File:- https://drive.google.com/open?id=1JJybuRhj3EC-PB5NPVAh9eG61N3MLT5u


Blynk Clone App QR CODE:-