I have seen example sketches and tutorials on how to get Arduino to talk to Processing and I'm thinking the reverse can be done. Example: If I mouse over something in a Processing sketch that is running an LED would light up. I am trying to find examples of Processing talking to Arduino (I'm still a beginner with Arduino and Processing. Can anyone point me to some examples?
I have seen example sketches and tutorials on how to get Arduino to talk to Processing and I'm thinking the reverse can be done.
The serial port that is opened by both applications IS bi-directional, so, of course the reverse can be done.
Look at the File menu in Processing. See the Examples item? Follow Examples, Library, and Serial. Select SimpleWrite for an example of just what you want to do.