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[STM32f4 Discovery] Connecting external USB connector

Question asked by PatLas on Dec 23, 2014
Hi,
I've recently try to connect external USB connector to my Discovery F4 pcb. I've started some CDC code on my board which works correctly but when I try to connect my USB cable directrly to proper pins (D+,D- and GND) usb device is not recognized by PC, shall I do something else? (Of course my usb cable line include proper 22Ohms resistors)

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