Home Automation Extension Box | 2 way Switch and Smartphone | ESP8266

YouTube Tutorial:-

Materials:-

https://www.flyrobo.in/nodemcu_esp8266_wifi_development_board?tracking=5c723900abvrl

Relay Module:- https://www.flyrobo.in/5v_four_channel_relay_module?tracking=5c723900abvrl

Jumpers:- https://www.flyrobo.in/combo-of-3-type-jumper-cables-f-f-f-m-m-m?tracking=5c723900abvrl

Breadboard:- https://www.flyrobo.in/high_quality_solderless_breadboard_with_430_tie_point_for_arduino?tracking=5c723900abvrl

3 pin Socket

Switch 2 Way

Switch Board

Wire

3 pin Plug

Circuit:-

Code:-