AVR-Chat

Is the multipoint protocol available for studying it ?
Jeronimo
--- In AVR-Chat@yahoogroups.com, "Qboll" <msg_qboll@h...> wrote:
> Hi,
>  
> I use this one with home made Multipoint protocol for my home
> automation:
> http://www.lprs.co.uk/pdf_directory/23861049807229.pdf
>  
> Nice and simple to use.
> Only negative is the delay of ca. 25ms between send (master) and 
receive
> (slaves).
>  
> Greetings 
>  
> Pascal
>  
> -----Original Message-----
> From: James Russo [mailto:jr@h...] 
> Sent: maandag 6 december 2004 19:21
> To: AVR-Chat@yahoogroups.com
> Subject: Re: [AVR-Chat] Multinode Radio Link
>  
> Here are some companies to check out:
> 
>     RFM (RF monolithics)  http://www.rfm.com/
>     ChipCon    http://www.chipcon.com/
>     and LINX technologies. http://www.linxtechnologies.com/
> 
> The LINX modules are very easy to use. Most of these you will need 
to 
> design your own media access control to prevent collisions, etc.
> 
> hope this helps.
> 
> -jr
> 
> jeronimoavelar wrote:
> 
> >
> > Hi List ,
> > I am with a request of a client to construct 20 small terminals
> > (keypad + lcd 16x2 ) using microcontrollers conected to a central
> > server via a low-cost wireless link (simultaneous use).
> > What kind of multinode radio link do you suggest to use?
> > Is there any one using zigbee that could tell something about it?
> > Thanks in advance ,
> > Jeronimo.
> >
> >
> >
> >
> >
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