Arduino Mega - USB Input

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hello,

i'm beginning research on arduino market , wanted ask question here confirm whether or not i'm going purchase correct arduino board need.

the project i'm beginning based off of 2 portions, usb communication input , rx/tx output bluetooth shield. question here this, using arduino mega usb host port...can read/write data , "forward/receive"  same  data through rx/tx pins on board bluetooth shield?

thanks help! let me know if question needs stated more clearly.

no. data send out on tx go out usb. rx pin see tx data bluetooth , tx data coming usb , corrupted.
use serial1, serial2, or serial3 connect bluetooth shield instead.


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