[PLUG] power management question

wes plug at the-wes.com
Thu Jan 24 19:24:44 UTC 2019


Ah, good point. In fact I do have some of those here. I would sort-of
prefer not to rely on any sort of network connection, but if nothing else
works out, that may be the best option.

-wes

On Thu, Jan 24, 2019 at 7:20 AM Michael Barnes <barnmichael at gmail.com>
wrote:

> I do know there are power strips with Ethernet connections that can control
> individual outlets. Usually used for brute force resets of equipment, they
> can be commanded remotely for whatever purpose. Available from Black Box,
> etc. Might be able to find them at Fry's or appropriate online search.
>
> HTH,
> Michael
>
>
> On Wed, Jan 23, 2019, 16:02 wes <plug at the-wes.com wrote:
>
> > I have an odd problem I'm trying to solve. I have an older flat panel TV
> > that I'm using as a computer monitor for a Linux system. The TV does not
> > (appear to) support any sort of auto-standby mode when it gets no signal,
> > so it just displays the "no signal" notice 90% of the time.
> >
> > Currently I have set it up on a power strip with a motion sensor, so at
> > least it's not spending nights & weekends on for no reason. I would like
> to
> > cut this down further.
> >
> > I've looked into a number of options. The TV supports HDMI-CEC control
> > codes, but I haven't found any consumer-grade video cards that implement
> > that feature other than in a Raspberry Pi type of device. If I could find
> > such a card, that would be ideal.
> >
> > I also have a power strip controlled by a USB cable - if there's power to
> > the USB plug, it turns on the outlets. However, it seems that in kernel
> > 2.6.38 or so, the option to arbitrarily set the state of a USB port (or
> > whole controller) was removed. So I need to find something in the system
> > that I can power on/off at will. Preferably something that turns off when
> > the display turns off. I had thought about cutting into the video cable
> and
> > splicing a relay onto the power circuit... but by the time I got that
> > going, I would have spent more than the cost of a ready-made device that
> > already exists to do what I'm trying to do. (
> > https://www.pulse-eight.com/p/104/usb-hdmi-cec-adapter if you're
> curious)
> >
> > Ideas?
> >
> > thanks,
> > -wes
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> >
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