[tzeeth]

Hi I am reviving this post for asking what part of my code is bad because it doesn’t work.
I am using

const uint8_t seconds = 0;
const uint8_t minutes = 00;
const uint8_t hours = 10;
const uint8_t day = 20;
const uint8_t month = 2;
const uint8_t year = 17;
void setup 
rtc.begin();
  rtc.setTime(hours, minutes, seconds);
  rtc.setDate(day, month, year);
  rtc.setAlarmMinutes(1);
  rtc.enableAlarm(rtc.MATCH_SS);
  rtc.attachInterrupt(alarmMatch);
  USBDevice.detach();
  rtc.standbyMode();

void loop

rtc.begin();
  rtc.setTime(hours, minutes, seconds);
  rtc.setDate(day, month, year);
  rtc.setAlarmMinutes(1);
  rtc.enableAlarm(rtc.MATCH_SS);
  rtc.attachInterrupt(alarmMatch);
  USBDevice.detach();
  rtc.standbyMode();

My Arduino is MKR1400 GSM and I want to be able to send some sensors reading and then sleep for 10 hours, waking up send again and sleep in a cycle.
Thanks for you effort and your good libraries.

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