Hello XeThru Team. I failed to use the supplied data acquisition, but Excel macros. Do XeThru Explorer must be running Excel on the metro has been running condition? If you would like to produce your own GUI to XeThruSerialProtocol Can you get the data? I am of Serial Data <Start> + <0xA0> + .... has confirmed that periodically comes at one-second intervals. What is this data? I finally want to get the Respiration pattern data in its own GUI. Is what to do?