Plug in a power supply to the external HUB. Gerald
On Thu, Jul 24, 2014 at 11:32 AM, <[email protected]> wrote: > I have a beaglebone black. the challenge I face is that I require > multiple powered USB devices to be connected to it while only using one > power source - the BBB 5V DC connector > > 1 - USB Camera - Logitech C920 > 1 - USB GPS Antenna > 1 - USB WiFi Adaptor > 1 - USB Bluetooth Adaptor > > Clearly the onboard USB port cannot supply enough power using an unpowered > hub to bring these devices up. > > How would I wire the external powered hub to the Beaglebone Black to > satisfy the single power source requirement? > 1) Would I tie +/- to the same DC power source before the BB and somehow > adapt the USB cable for TX/RX only thus bypassing the board for the power > on the hub? > > > hub | ===tx/rx USB===|bbb 5v|======+/- > | +5V-------------------------------------| | > | gnd----------------------------------------| > > 2) Would I use the +/-5V expansion header and somehow adapt the USB cable > for TX/RX only? thus using the BB to supply power? > > hub | ===tx/rx USB===BBBUSB > | +/-----------------------| bbb expansion header 5v |======+/- > > I tried scenario 1 already and somehow destroyed my BB (won't boot, no > LEDs - looks like a brick), bit hesitant to try 2) as I don't want to brick > another. > > I am not an electrical engineer. > > > > > Thanks-Wesley > > > > -- > 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/d/optout. > -- 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/d/optout.
