Make sure all the the power supplies are connected to the same power strip.
Gerald On Wed, Jan 8, 2014 at 6:07 AM, <[email protected]> wrote: > Hi, > > I am using a usb serial converter to read and write bytes to a device. > If I power the bbb with an usb cable, i can see /dev/ttyUSB0. But > if I power it with an external power supply (5V, 5A) it doesnt work. > > Is there something special I have to care about? > I am using Ubuntu 13.10 on the board. > > thx. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
