Raspberry Pi Hack > Minimize Reboot When Plugging High-Current USB Devices

Problem:

Plugging in a high current USB device on the Raspberry Pi causes the Pi to reboot because of a current dip to the main cpu.  Some say this is non-compliant to the USB 2.0 standard, as the standard covers this issue.

Solution:

1) Add good size capacitor
2) Directly wire USB port power to the Pi power source.

Note:

On the B+ and Pi2, you can try this

Credits and References:

http://hackaday.com/2012/09/10/getting-around-the-raspis-usb-host-current-limit/
http://theiopage.blogspot.com/2012/06/increasing-raspberry-pis-usb-host.html





high current devices, high current usb, raspberry pi, raspberry pi usb, raspi