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Hi, I wonder if anyone could help. I'm doing a project which involves using labview to communicate with a program running on an 8751 microcontroller. The program enables you to read registers and read/write to memory locations on the chip. At present the program works in a terminal window, which I'm replacing with a labview front end. So far I've generated a VI to talk to the serial port (writes commands to the program and receives the relevant info in hex). My question is, if I want to send multiple commands down the serial port more or less simultaneously with a view to setting up some sort of telemetry with the incoming data, do I need to use this VI for each data source I wish to record (i.e. have a n umber of them) or can I get away with just one output to the serial port. If so I think I might need to attach some form of identification to each of the incoming strings so that labview can tell where each piece of data is intended to go. Also will I have a problem with the fact that the incoming strings are in hex (I read somewhere that labview likes to have incoming strings in binary form and then convert them itself)?