connect arduino mega to wifi with esp8266 and control it by blynk ?

Projects General Guidance
1

hi guys.
i want to ask 2 question?

first can i connect arduino to wifi with esp8266?
my project is control arduino and turn on off led with app by ordering to arduino from app.

second if i can, how i should connect esp8266 to arduino? which pins to which pins?

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2

Yes you can connect esp to arduino mega
And esp8266 tx pin connect arduino mega rx pin

3

what about another connection pins?

is this connection can make arduino access to wifi?