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MMM-PIR-Senor shut off usb port(s)
shgmongohh last edited by
I think it would be nice, if the usb port is shut down, when the monitor turns of. I have some speakers on my MM via usb and they make some noise. When it is still in the night you can hear it.
It it possible to cut of the energy supply to one or two usb ports?
jc21 last edited by
From the quick googling I’ve done, it may be possible to disable/enable raspberry pi usb power with commands:
echo 0x0 > /sys/devices/platform/bcm2708_usb/buspower
echo 0x1 > /sys/devices/platform/bcm2708_usb/buspower
However I haven’t tested. I’d recommend writing a new module that handles this and listens for the
USER_PRESENCEevent notification that the Pir module triggers.