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Hello everybody,

I'm developing a system to automate my home, i want to develop a wireless system, the communication from the central (Arduino) with the based devices (lamps and sockets). But I have some doubts with respect to the type of wireless communication that I use.
What are the pros and cons of using RF, Bluetooth and Xbee?

Thanks
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New River, Arizona
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Bluetooth, not enough range.  XBee, you have to do everything yourself.  RF, this term is a bit vague; what kind of RF were you thinking of?

To expand a bit.  Bluetooth is meant to converse over very short ranges, so it probably won't reach the far corners of a house.  XBee has much greater range, but the inexpensive modules may not reach corner to corner of your house.  For this reason, I used the Series 2 XBees (I think they're called XBee ZB these days), because they will form a network automatically and do store forward to move data around the network transparently.  This store forward solved my problems with an XBee out of range, just put one in the middle somewhere and data gets automatically routed.  However, you have to build your own devices that the XBee will control; there just aren't many devices you can pick up and use.

RF (radio frequency) can mean most everything: XBee, Bluetooth, Wifi, etc.  You need to get more specific with this one.
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Trying to keep my house under control http://www.desert-home.com/

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Hy thanks for respond my question,
When I said RF,  I referred to these products:


http://www.aliexpress.com/item/RF-wireless-receiver-module-transmitter-module-board-Ordinary-super-regeneration-315-433MHZ-DC5V-ASK-OOK-in/698477293.html

http://www.sunrom.com/rf-wireless/rf-transreceivers/rf-transreceiver-2.4-ghz-spi-interface-30-meters-range

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New River, Arizona
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Those modules usually correspond to the XBee modules in range, but they do much, much less than the XBees.  There are libraries out there that can help you with some of this, but there is a learning curve.

Take a look at Jeenodes, they are more sophisticated than the modules you show, but they also have active support and forums where you can ask questions.

I use XBees because I want the network capabilities, the last time I looked the jeenodes did not.  Time passes and things change so this is old information on the jeenodes.  Check it out yourself.
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Trying to keep my house under control http://www.desert-home.com/

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Bluetooth does not give you range, and zigbee does not give you data through put and compatibility with your other wireless devices at home with out an adapter.

For home automation something that has 802.11b or greater would be ideal. 

This will allow you to control devices from anywhere in the world because you can connect your device to your WiFi at home.

The arduino wifi shield is good, but another one that seems a bit more capable is the WiFi Shield from www.diysandbox.com .

I actually played with the integrated mini arduino + wifi shield they have ( http://diysandbox.com/shop-diysandbox#!/~/product/category=3935400&id=17049821 ) and it works pretty well!

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The Nordic Wireless RF is another option... they runs on 256K, 1M & 2Mbps and comes with version with or without antennas for better battery life or coverage...

This person hv did a lot of research and wrote the libraries for it too...

http://maniacbug.wordpress.com/2012/03/30/rf24network/


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