Switching on/off 5V power to a USB port
freebsd at damnhippie.dyndns.org
Tue Apr 3 22:26:19 UTC 2012
On Tue, 2012-04-03 at 17:13 -0500, Ron McDowell wrote:
> I just got a little USB powered fan and it sure would be nice if I could
> have cron on my FreeBSD box turn it on or off at certain times by
> switching off the 5V line on a USB port. Anyone know how I can do
> that? Thanks.
> BTW this is a pretty decent fan for the money. :)
The usbconfig(8) command has power_on and power_off commands. I've
never used them so I can't say for sure they'll do what you want.
More information about the freebsd-current