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RE: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?

2005-11-11 by Dan Beadle

I am interested in ZigBee information - Do you have a url?

 

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From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf
Of Jim Parziale
Sent: Friday, November 11, 2005 4:06 AM
To: lpc2000@yahoogroups.com
Subject: Re: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?

 

Have yuo considered wireless mesh network nodes as opposed to such long
cables? I used to work with 802.15.4 and Zigbee, and that company had a
good
working solution. I could post the web page if anybody's interested...

Jim

On 11/11/05, fredrikssonjohan <johan@...> wrote:
>
>  We are reading temperatures in silos (bins) mainly with grain but
also
> animal food or other sensitive to heat products.
>
> It's 10-90 meter silos with 1-12 cables in each and 1-20 silos and
> 4-16 sensors per cable. Biggest system as per now is 20 silos, 240
> cables and 2400 sensors. All connected with about 8.5km of wire.
>
> Just changing from PIC16 to LPC2138 as "heart" of the system. Spent
> some days just going thrue all data sheets and sometime you just loose
> focus, as with the UART, to find all specifications and values.
>
> Cheers
> /Johan
>
> --- In lpc2000@yahoogroups.com, "Ake Hedman, eurosource" <akhe@b...>
> wrote:
> >
> > Fredrik,
> >
> > >please upload to file area if possible!
> > I will do that.
> >
> > >....1200 sensors...
> > May I as what you do!?
> >
> > Cheers
> > /Ake
> >
>



--
----------------------------------------------------------
Jim Parziale
Malden, MA
----------------------------------------------------------


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