[TI-H] Re: I remember hearing of a ti hub project a few years ago...
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[TI-H] Re: I remember hearing of a ti hub project a few years ago...
A cheap pair of walkie-talkies can be purchased for $10.
Add a microcontroller at each end for converting 2 high/low signals into
4 freqs and you have 2 radio link devices for ~$20.
-josh
On Wed, 2 May 2001 15:39:41 -0500 "David Knaack" <dknaack@rdtech.com>
writes:
>
> From: <Nitrocloud@aol.com>
> > sells@inetnebr.com writes:
> > > Before we get out of hand are we looking fro economics or
> versatility!
> I
> > > remember a radiolink is somewhere around thirty dollars for a
> tranceiver!
> >
> > A simple AM radio can be made with a an antena, coil, and a
> diode.
>
> A pair of 300Mhz AM transmitter and receiver modules can be
> purchased
> for around $15 ($30 for a pair). These would be more than sufficent
> to create a working radio link. Yes, they would be subject to
> interference, as would any radio link.
>
> As a bonus, they work on the same frequency as X10 radio modules,
> which means you could use the calculator to control X10 modules and
> use an X10 controller to talk to the calculator.
>
> DK
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