Setting up RN42 Bluetooth on Linux

Open a terminal prompt jhoger@hegemon:~$ hcitool scan Scanning ... 00:06:66:43:02:81 RN42-0281

Get the "Channel" using the sdptool program:

jhoger@hegemon:~$ sdptool records 00:06:66:43:02:81 Service Name: SPP Service RecHandle: 0x10000 Service Class ID List:

 "Serial Port" (0x1101)

Protocol Descriptor List:

 "L2CAP" (0x0100)
 "RFCOMM" (0x0003)
   Channel: 1

Language Base Attr List:

 code_ISO639: 0x656e
 encoding:    0x6a
 base_offset: 0x100

jhoger@hegemon:~$

Edit /etc/bluetooth/rfcomm.conf

2. RFCOMM configuration file.

rfcomm0 {

       # Automatically bind the device at startup
       bind no;

       # Bluetooth address of the device
       device 00:06:66:43:02:81;

       # RFCOMM channel for the connection
       channel 1;

       # Description of the connection
       comment "Model T Bluetooth";

}