This week's book giveaway is in the Agile and Other Processes forum. We're giving away four copies of The Little Book of Impediments (e-book only) and have Tom Perry on-line! See this thread for details.
Problem = the bluetooth module cannot be discovered by Raspberry pi.
Error Message = javax.bluetooth.BluetoothStateException: Bluetooth Device is not availablelogout
it works perfectly if i use USB bluetooth plugin dongle, but it failed for "Serial Bluetooth Module"
My code as below with 3 external Jar files included (bluecove, pi4j, java microedition)