Originally Posted by iQEM
vvs_75:
thx mate, i already use that pins BUT after it finish, i test connect it to PC and pair to my nano...whenever i plug it to PC comes a pop up says "USB device not detected" or something like that...it happens all the time...

what have i do wrong ?
Try to connect your nano with normal cable. If it's ok then may be you mixed up something. Could you post some pics?