New posts in Millis

Using millis() and micros() inside an interrupt routine

Adjust time calculation after Timer0 frequency change

How can I handle the millis() rollover?

arduino - millis()

Is `millis()` affected by long ISRs?

Does millis() conflict with the PWM pins associated with timer 0?

Is it possible to find the time taken by millis?

How do I get an accurate time?