Looking for some help, need simple code for project

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hi dear arduinist or arduinista
being harware guy i'm looking software help:
with rainbowduino(latest model out) built 12h clock-dial 144 leds, thats 1 each 5 min.
now need code steps 1 count (one led) each 5 min.
someone outthere?? n't difficult, writing code not cup.
promise first proto helping brain.
thanks,
jacob

you should realtime clock (rtc) chip track time.  arduino not @ it.

code: [select]

void loop()
    {
    int hour, minute;

    hour = rtc.gethour();  //  hour (0-11) rtc chip
    minute = rtc.getminute();   //  hour (0-11) rtc chip

    int ledindex =  ((60 * hour) + minute) / 5;
    }


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