I received the device but can't get it working: upon connecting to FTDI and to PC, LEDs blink (in a "random" sequence", the they completely stop blinking; no prompt visible in terminal; I switch off and I extract the card, which put into a card reader shows several log files, all empty, and a log file setting baud rate to 9600 bps, just like my terminal was set.
How can I know the meaning of LEDs sequences? How can I get this thing working?!?