Next you can figure out the name of the device by opening up a '''Terminal''' and typing in '''ls /dev/cu.*''' and looking for something like '''/dev/cu.AdafruitEZLinkxxxx-SPP''' | Next you can figure out the name of the device by opening up a '''Terminal''' and typing in '''ls /dev/cu.*''' and looking for something like '''/dev/cu.AdafruitEZLinkxxxx-SPP''' |