I am working with a 16x2 RGB LED screen, and a wrote a simple program to print "Sup bro." on the first line, then have a countdown starting at 15 that prints "BOOM!" on the second line when the countdown reaches 0. I found that when it switches to 9 from 10, the zero on the second space is left over…

millis() related question on a 16x2 RGB LCD screen

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