in Btbee set up step no. 4 i have trubaling to downlod rxtxserial.dll file
ftp://imall.iteadstudio.com/Programmer/IM121112001_Arduino_Wireless_Programmer/rxtxSerial.zip
it dish ply 550-fail to change distonary.
how can i replace arduino rxtxserial.dll file to this btbee serial file