How to I get the Arduino to serial print the last string of data received until a new one is received? I am wanting to use this on a scoreboard so that the scoreboard will show the last bit of information displayed when the controller is turned off instead of the scoreboard going blank because it st…

How do I continuously serial print last string of data received on Uno?

semmons3 October 8, 2021, 6:37pm 10

I'm not sure what the value 20 suggests.

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