  *  S XX - Set sequence counter to XX
  *  T - Test main sequence programmed
  *  U - Echo only first array sequence as byte. Terse output version of 'E'.
+ *  V - Return version string.
  *  W BXXXXXX - Turn on array BXXXXXX directly.  No sequencing or triggering.
  *  X - All off and reset to trigger-enabled setting.
  *  ? X - Query state of device X.  Supported devices : S = shutter open (0 = closed, 1 = open)

 *  
 *  Serial requires 9600 baud, newline characters only for line feed
*/

// Serial variables
String inputString = "";         // a string to hold incoming data

        }

        break;
		
	  case ('V') :
		// Return version via serial port
		Serial.print("Version : ");
		Serial.println(version);
		
		break;

      case ('W') :

