Resetting Millis () to zero, reset clock - Arduino Forum
This topic is a little summary of the research I did this morning on the unsigned long millis(). If it doesnt add any existing knowledge, then let the post be for reference purposes only. Millis() function itself Unsigned long 32bit variable. Meaning 2^32-1 milliseconds range (no negative numbers possible). This equates to: (2^32-1) 1000ms 60sec 60min 24hr = 49. 71 days. Or 49 days and . . .
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