ESP8266 Alexa Home Automation with Manual Switches

$2 for 1-4 Layer PCBs, sign up to get $18 new user coupons: https://jlcpcb.com/IYB Discount Coupon Code:- JLCPCBcom Hey friends in this video I will show you how to make Home Automation System which can be controlled with Amazon Alexa through Internet as well as Manual Switches on Switch Board Visit my Website for full guide and to Download Codes and Circuit Diagrams:- https://www.viralsciencecreativity.co... Materials:- NODEMCU ESP8266 4 Ch Relay Module Switches BreadBoard Jumpers PCB Components:- Relay 5V Push Button (Tactile Button) 330 ohm resistor 1N4007 Diode LED BC547 / 2N2222 Transistor Block Terminal Connector PCB Header 5V Power Adapter Follow me on:- Website:- https://www.viralsciencecreativity.com Facebook:-   / viralscience20   Facebook:-   / viral.dodhia.73   Instagram:-   / viral_dodhia_   Twitter:-   / viral_science_   --------- VIRAL SCIENCE © ----------