I\'m wanting to plot live data from the serial port. I figured R would be a good tool for the job. I\'m stumbling on trying to read data from the serial port (COM4). I\'ve ve
i am working with the serial-package (here) available on CRAN. This was developed to do exactly that what you need. Reading and sending data form and to RS232 etc. connections.
I do really recommend this, because "mode.exe" seems not to work for virtual COM-ports. See NPort-Server etc.