put 1 gnd as it flickers if they all linked to gnd
gnd between computer and stm32 discovery from power pack
may need 2 female (one from pc the other to stm32 discovery board)
usb sockets improve pcb i will ask sash to design but you can see
how i wired it and what two socket to femail to femail standred dont matter what way they was wired would be bi directional
the red green white stayeds the same only black hads a extra gnd added from the power pack