controlling 8 channel relay by Alexa (step by step tutorial )

if Your are Having Any issue Related 8 Channel Relay to control this Tutorial Also Gonna Work.
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For This Tutorial You Need
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PS: i am not being sponser by anyone to providing link i just did beacause i find this links are best and cheapest price, price could be vary so don't blame me if you can't find cheap price and make sure to do some Search before making purchase.. Thanks Links are Given Below
ESP8266 micro-controller NodeMCU Lua V3 WIFI with CH340G :

https://goo.gl/KDEMcB ----- (For India Version, best and cheap price)
https://goo.gl/dyTXqy

8 Channel DC 5V Relay Module :

https://goo.gl/TQYkSf ----- (For India Version, best and cheap price)
https://goo.gl/cYAttZ

Dupont Cable female to female :

https://goo.gl/PgLJ9H ----- (For India Version, best and cheap price)
https://goo.gl/F7u1Cz

a power Adapter of 5v with minimum 1 Amp : i assume you must have one

circuit diagram :https://goo.gl/9dHANp

Code Repository : https://github.com/Phantom-Cluster/echo

Node MCU V3 pin Design : https://goo.gl/T4cRcs

For Any Query Go to : https://goo.gl/DWMGWX

Видео controlling 8 channel relay by Alexa (step by step tutorial ) канала Hitanshu Sahu