YouTube Tutorial:-
Materials:-
NodeMcu ESP8266:- http://amzn.to/2op6mhI
Relay Module:- http://amzn.to/2j5R2Bf
Jumpers:- http://amzn.to/2ByO8je
Breadboard:- http://amzn.to/2BtPRqd
3 pin Socket
Switch Board
Wire
3 pin Plug
Circuit:-
You can use any of the method to control the board:-
Blynk Home Automation:- https://www.youtube.com/watch?v=BZOfiPUyZqc
Google Assistanat Home Automation:- https://www.youtube.com/watch?v=1goTMGq26wE