[PLUG] Low power ethernet and display

Larry Brigman larry.brigman at gmail.com
Tue Aug 3 05:05:11 UTC 2010


On Mon, Aug 2, 2010 at 3:22 PM, Keith Lofstrom <keithl at kl-ic.com> wrote:
> We have ethernet running through the house now.  I plan to connect
> some Arduino-driven sensors in the garage, feeding the Alix that
> is out there, and access the data from other machines, over the
> ethernet.  Thus, we will be able to see whether we left the garage
> door open (and close it) over the net.
>
> But there are a few places where I would like to access the data
> where we won't have normally have computers, laptops, or iPhones.
>
> It would be nice to have a low power, low bandwidth small display
> connected to the ethernet that could display status.  A few LEDs
> and buttons at minimum, a push-to-light small display with touch
> panel might be nicer.  I would like "open programmable", though
> perhaps not a complete OS.  Low power (milliwatts) when not user
> activated, sub-second turnon, and small.
>
> X10 is a little too simple and slow, and the branching of the
> circuits and all the power-factor-corrected electronic ballast
> fluorescents would probably eat the X10 signal.  I would prefer
> ethernet, or at least low voltage signalling, so I can fiddle
> with it and not get zapped.
>
> Does anyone know of little displays or interface boxes that do
> what I've described?
>
What about the digi jumpstart kit for $99.
http://www.digi.com/products/embeddedsolutions/
or lantronix xport
http://www.lantronix.com/device-networking/embedded-device-servers/xport-evaluation-kit.html

For displays:
serial displays through digikey
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=27977-ND
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=NHD-0220D3Z-FL-GBW-ND



> Keith
>
> --
> Keith Lofstrom          keithl at keithl.com         Voice (503)-520-1993
> KLIC --- Keith Lofstrom Integrated Circuits --- "Your Ideas in Silicon"
> Design Contracting in Bipolar and CMOS - Analog, Digital, and Scan ICs
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