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Author Topic: CODE TO CHECK RTC TIME VAYING OR NOT  (Read 425 times)
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DELHI
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hi,

I need simple code that execute for every 5 minute without delay and millis fuction,when i call the function it will check for whether rtc has been updating time and date or not. if it not updating for more than 5 min add 5 min to previous time.

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Noted

 smiley-cool
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I don't think you connected the grounds, Dave.
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Quote
I need simple code that execute for every 5 minute without delay and millis fuction,
Use "micros".
Five minutes is 300 000 000 microseconds, so make sure you use an unsigned long ("300000000UL")


And please, stop SHOUTING.
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Have a look at the blink without delay tutorial, and substitute "micros()" wherever it says "millis()", and multiply the interval by 1000.
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