alan smith wrote:

> make it sound too simple as well.  Is the Nordic that *simple* to
> interface with? just a serial interface or?  Microchip has a 2.4GHz
> chip now as well...

Well, I can tell you my experience: started out testing CC2420 
daughterboard from Microchip in 2005 (50EUR each...) then tried 
Freescale's PCB and chipset (cheaper, but I was probably not ready to 
face 0402 components... :-( ) and then Easy Radio ER900 (35EUR each).
Then landed onto Nordic. They cost 18EUR each, had the same range as all 
of the others, rather easy to interface (it's SPI, just like CC2420 - 
ER900 used USART) and small.

You have to specify some 40 bits plus some more as Setup, and then you 
basically send your Packet... and get it at the other side.

Of course, you don't get Zigbee (at least with those I used) - but they 
may be just good for you!


-- 
Ciao, Dario
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