ImageJ can communicate via a serial port, and my interest is in sampling an analog voltage when I snap a camera frame and adding alphanumeric data to the image, but I haven't seen anything about communicating through a virtual serial port (USB) to the port on the Uno.
but I've not been able to find a solution that doesn't employ creating a for-real RS232 interface for the Uno and tying it to a for-real serial port
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