For those who have upgraded to Mavericks, there is an issue with the FTDI drivers - Apple moved support into a kext, which makes the life of the programmer easier, but requires the code to be updated. Until Cycleops gets around to updating poweragent, there is a workaround:
http://stevenbreuls.com/2014/03/fix-ftdi-dmx-interface-arduino-on-osx-10-9-mavericks/
This worked for me, and I'm able to access my device again. Hope this helps.
http://stevenbreuls.com/2014/03/fix-ftdi-dmx-interface-arduino-on-osx-10-9-mavericks/
This worked for me, and I'm able to access my device again. Hope this helps.
