RE: [Tampa-Bay-Microcontrollers] BBB & XBee

From: ken f.
Sent on: Friday, April 4, 2014 7:38 PM

Hello Jaymer.

Just jumping in with few remarks about Xbee radios. Xbee is based on  ieee 802.15. 4  standard  for the  physical  layer and media access control .    Xbee specifications are further extended with ziggbee network stack for routing, message control, self healing and app to app  ie the higher layers of the osi model. , From a practical POV One  advantage is that   xbee radios form their own network and hence do not use IP based networks which can block ports, have security and firewall  policies in place.  Xbees have data rates in 250kps  range which is much slower than Ethernet but they are specifically  used to transmit low byte count sensor data. Very robust and uses spread spectrum to transmit data..



From: [address removed] [mailto:[address removed]] On Behalf Of jaymer
Sent: Friday, April 04,[masked]:02 PM
To: [address removed]
Subject: Re: [Tampa-Bay-Microcontrollers] BBB & XBee


Hi Bruce

I'm not sure what you mean.

"You don't know what you don't know"... so I'm not sure what exists "out there".

I posted msgs a few months ago requesting help and talked with Bill Shaw about it, to no avail, so I'm out here on my own.


Picture this...

I have a bread board with power and a couple of temp sensors.

EXACTLY what would YOU add to that to "use WIFI".

I'm adding a $17 XBee + $10 XBee adapter and that station is transmitting.






On April 1, 2014 at 10:48 AM Bruce Frederiksen <[address removed]> wrote:

I'm curious, why not use wifi rather than X-bee?


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