# RV3028 problems with triggering alarm

**URL:** <https://forums.pimoroni.com/t/rv3028-problems-with-triggering-alarm/28666>\
**Category:** Support\
**Created:** [February 4, 2026, 2:19pm UTC](https://forums.pimoroni.com/t/rv3028-problems-with-triggering-alarm/28666 "2026-02-04T14:19:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![namor](https://avatars.discourse-cdn.com/v4/letter/n/ad7895/32.png) [@namor](https://forums.pimoroni.com/u/namor)\
**Post date:** [February 4, 2026, 2:19pm UTC](https://forums.pimoroni.com/t/rv3028-problems-with-triggering-alarm/28666/1 "2026-02-04T14:19:24Z")

</div>

i have a new RV3028 board but cannot get the alarmInterrupt example from the Melopero\_RV3028.h library working on an esp32s3 dev module. Pin int always stays high. What could it be? Thanks for any hints! [RV3028 Real-Time Clock (RTC) Breakout](https://shop.pimoroni.com/products/rv3028-real-time-clock-rtc-breakout?variant=27926940549203)