There are many such videos out there on YouTube, but most of the people have used Relay modules instead of only a relay. Do you know the reason why?
Because it’s little tricky to use relay directly with ESP8266 board. But not to worry now, I have solved the problem and made tutorial videos for this problem. I have used relay with ESP8266 board and some electronic components and successfully controlled relay with it.
Watch the video to know everything in detail.
I have also made the same tutorial in HINDI language:
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