The simplicity may not compare, but you can get very cheap RF 2.4G modules,
easy to use, that still require external MCU, for less than $1.50 ready to
use.
Handfull o libraries written and open source on the internet.

As an example (there are hundreds more):
http://www.ebay.com/itm/Arduino-NRF24L01-2-4GHz-Antenna-Wireless-Transceive=
r-Module-For-Microcontroll-/310670158878?pt=3DLH_DefaultDomain_0&hash=3Dite=
m4855626c1e

,
Sergio Sena





On 26 August 2013 22:05, Bob Blick <bobblick@ftml.net> wrote:

> Roman Black has the exact webpage for cheap RF as you describe:
>
> http://www.romanblack.com/RF/cheapRFmodules.htm
>
> I've used those modules, they work pretty well and the price can't be
> beat. Roman's software approach is also quite adequate.
>
> Cheers, Bob
>
> On Mon, Aug 26, 2013, at 01:29 PM, Phil Keller wrote:
> > I am looking for an RF solution for use around the home. I have a home
> > brewed (PIC based) weather station that is connected via wires to an
> > anemometer, wind direction vane, thermometer and rain gauge. I would
> > like to transmit the weather information to another part of the house.
> >
> > The system needs would be the following.
> > - Low data rate (~20 bytes of data plus header and CRC about every 4-5
> > seconds)
> > - Uni-directional data traffic.  If the CRC fails, dump the data and
> > wait for the next message.
> > - Short range (~100 feet through a couple of walls)
> > - Low Power receiver (It would be nice if I could make it battery
> > powered)
> > - Low cost (Since it is only one this may not be possible)
> >
> >    Suggestions/advice are appreciated.
>
> --
> http://www.fastmail.fm - The way an email service should be
>
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>



--=20


A. S=E9rgio Sena


www.antoniosergiosena.com
Twitter - http://www.twitter.com/_SergioSena
LinkedIn - http://pt.linkedin.com/in/assena
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.