I'm following this tutorial online [image] Using a Real Time Clock with Arduino | DroneBot Workshop The Arduino is an amazing device. It’s useful for prototyping and can also be used to construct a complete project. It has an analog to digital converters (ADC), digital I/O pins… …

RTC not working with interrupts

ShermanP November 11, 2021, 11:35pm 5

Does your multimeter confirm that you have a 1Hz square wave coming in on D2?

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