Re: RF in TINI Board

Good solution for this is to use CPLD to abstract bus into desired
interface.
Also can provide benefit in taking some load off CPU depending on how it's
done.

Joel W.

----- Original Message ----- 
From: "Marc Nicholas" <marc-uEr7QD5cFFrZKC0ZTTeLDg@xxxxxxxxxxxxxxxx>
To: "Baker Fred-AFB012" <Fred.Baker-3WKxDLwmzFNWk0Htik3J/w@xxxxxxxxxxxxxxxx>; 
"'Joel Winarske '"
<joelw-RfnZ/IetPaS9TMao6EloiEEOCMrvLtNR@xxxxxxxxxxxxxxxx>; "'Suresh Purini '" 
<suresh1@xxxxxxxxxxxxx>
Cc: <TINI-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
Sent: Thursday, June 26, 2003 2:30 PM
Subject: Re: [TINI] RF in TINI Board


> Take an output pin from the TINI...run it into an op amp...connect to a
> Pringles can. Take a wire from the Pringles can back to a TINI input pin.
>
> Et voila! Instant RF networking ;-)
>
> On a more serious note, Suresh wanted to be able to control the link
> layer...which, AFAIK, a Bluetooth "dongle" wont let him do...
>
> But then using an RF modem with a databus interface also poses problems as
> the TINI bus ain't the easiest thing in the world to work with.
>
> -marc
>
> On 26/6/03 17:22, "Baker Fred-AFB012" 
> <Fred.Baker-3WKxDLwmzFNWk0Htik3J/w@xxxxxxxxxxxxxxxx> wrote:
>
> > Hi,
> > I think the previous requirement of battery operation
> > would rule out most higher bandwidth solutions (like 802.11).
> > A data rate of the serial port on Tini can't even match
> > most serial-BT dongles ~115.2Kbaud-720Kbaud(flat out).
> > Fred Baker
> >
> > -----Original Message-----
> > From: Joel Winarske
> > To: Suresh Purini
> > Cc: marc-uEr7QD5cFFrZKC0ZTTeLDg@xxxxxxxxxxxxxxxx; TINI@xxxxxxxxxxx
> > Sent: 6/26/03 3:53 PM
> > Subject: Re: [TINI] RF in TINI Board
> >
> > IR - Infra Red is line of sight and is not radio frequency spectrum.
> >
> > As Fred stated:
> > "Class-1 BT is higher power for a range of up to ~100m and
> > penetrates many office obstacles (walls, partitions, etc)
> > just like your 2.4GHz portable phone, just very low power.
> > Works in handhelds like PDAs very nicely."
> >
> > What type of distance do you need to cover?
> > Bandwidth and distance are generally the main factors for picking an RF
> > technology.
> >
> > Joel W.
> >
> > ----- Original Message -----
> > From: "Suresh Purini" <suresh1-rEkehDDEPI54piUD7e9S/g@xxxxxxxxxxxxxxxx>
> > To: "Joel Winarske" 
> > <joelw-RfnZ/IetPaS9TMao6EloiEEOCMrvLtNR@xxxxxxxxxxxxxxxx>
> > Cc: <marc-uEr7QD5cFFrZKC0ZTTeLDg@xxxxxxxxxxxxxxxx>; "Suresh Purini" 
> > <suresh1@xxxxxxxxxxxxx>;
> > <TINI-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
> > Sent: Thursday, June 26, 2003 1:40 PM
> > Subject: Re: [TINI] RF in TINI Board
> >
> >
> >>
> >> Joel,
> >>
> >>> Suresh what type of radio are you looking at implementing as there
> > are
> > many
> >>> possible solutions?
> >>
> >> Actually speaking I have no idea. But I thought/understood is I may be
> >> using the ISM band. Any RF interface will serve.
> >>
> >> Also as i understand, IR requires Line of Sight for communication
> > right.
> >> But I want to use a broadcast medium.
> >>
> >> Thanks Joel.
> >>
> >> Suresh
> >>
> >>
> >>
> >
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>
>
> --------------------------------------------------
> Marc Nicholas Geekythings Inc. C/416.543.4896
> UNIX, Database, Security and Networking Consulting
>
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