USB shield to ground ?

E

emmanuel63

Well-known member
Hello,
What are the best practice with USB sockets ? Do I have to tie the shield to ground ?
I am using T4.0 with USB host socket.

Emmanuel
 
Looking at this item resold by PJRC: https://www.pjrc.com/store/cable_usb_host_t36.html. Some others only have four not the five pins that one does.

DMM shows one of the ground pins a GND pin within the connector and it shows the other GND comes from the metal shield exposed on the USB connector end. And the two are not connected. The cable is shrink tube sealed so it wasn't torn open - but that was the finding here.

The Host port pins present two ground pins and that perfectly aligns with the above offered connector.

IIRC a post was seen suggesting that - used DMM rather than searching for a long ago post.
 
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