If you use the millis() or micros() functions you will need to consider that they rollover and start again at 0 periodically. The millis() function is good for about 50 days before a rollover, the micros() function about 70 minutes.
If you use the millis() or micros() functions you will need to consider that they rollover and start again at 0 periodically. The millis() function is good for about 50 days before a rollover, the micros() function about 70 minutes.