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I've been struggling with this issue for a number of days now, I'm quite new to Processing and am unsure of the correct way to go about Storing a Serial value .
All I'm trying to do is have Processing Scan the port and wait for a number to appear (example 112) once Processing sees this number it needs to prompt text on the Screen to say ON and it needs to stay that way until it either receives the same number or a specific number. If it receives anything outside those 2 numbers it just needs to keep reporting ON.
I have the basis of what I want but because the state obviously is no longer valid when it receives a different number the previous state disappears from the window.
Any help would be greatly appreciated