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Basic Instruction to pair NXT and USB Bluetooth
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This will pair the device togethor and create a the host machine
will listen to the NXT via /dev/rfcomm0

** This was taken from 
** http://www.jstuber.net/lego/nxt-programming/bluetooth-linux.html

1) Plug in the USB Bluetooth
2) On the command line:
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# sdptool add --channel=3 SP
Serial Port service registered

# rfcomm listen /dev/rfcomm0 3
Waiting for connection on channel 3
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3) Turn on the NXT
	i)Go to Bluetooth
	ii) Go to Search, this may take a minute or so
	iii) Select the host name of the machine you are working on
	iv) Select 3
	v) Use the default passkey, 1234

4) On the machine you should see:
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Waiting for connection on channel 3
Connection from 00:16:53:02:96:EE to /dev/rfcomm0
Press CTRL-C for hangup
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5) To see the output of a NXT bluetooth program. 
   Open another terminal window and :
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# cat /dev/rfcomm0 | od -t x1 -w1 -v -Ax
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Useful commands
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hcitool, rfcomm, sptool, rfcomm

With the NXT bluetooth on, and the USB bluetooth plugged in.
Test if USB Bluetooth is detected:
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# hciconfig 
hci0:   Type: USB
        BD Address: 00:18:E7:36:24:12 ACL MTU: 1017:8 SCO MTU: 64:0
        UP RUNNING PSCAN 
        RX bytes:2034 acl:17 sco:0 events:58 errors:0
        TX bytes:799 acl:17 sco:0 commands:34 errors:0
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Test if the host machine can see the NXT via bluetooth
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# hcitool scan
Scanning ...
        00:16:53:02:96:EE       Delta
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Other pages of interest:
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NBC, nxt compiler:
http://bricxcc.sourceforge.net/nbc/


I have no tried out the ones below, but I thought the might be of interest

Linux API uses bluez bluetooth api's:
http://alumni.ipt.pt/~pmad/nxt.php

A NXT Bluetooth library in C for linux (this one seems more up-to-date):
http://www.quietearth.us/nxtlibc.htm


Using Nxt Perl API and bluetooth:
http://nxt.ivorycity.com/index.php?/archives/3-How-to-get-started-with-Linux-Bluetooth-and-the-NXT.html

NXT Python package: 
http://home.comcast.net/~dplau/nxt_python/index.html
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