I have adapted a sketch for a stopwatch using a 32 x 8 LED Matrix. If the fractional part is less than 10, it puts a zero before the digit. This works fine until roughly 5 minutes and 27 seconds after which a zero appears before the two digit number and does not go away. I know the code is a bit unt…

Random zero appears in display!

guix October 28, 2021, 6:06pm 2

Maybe something to do with ((5*60) + 27) * 100 being very close to 32767 which is the max value of a signed 16 bits variable before it overflows..

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