Arduino Alarm Clock

How to Make an Arduino Alarm Clock Using a Real-Time Clock and LCD Screen | Arduino

Arduino Based Digital Alarm Clock

DS3231 RTC with Arduino. (Including Digital Clock using OLED Display) - MYTECTUTOR

RTC DS3231 - How to use with Arduino - DIY Engineers

Arduino real time clock with temperature monitor using DS3231 and SSD1306

Interfacing RTC module (DS3231) with MSP430: Digital Clock

Getting Started with DS3231 RTC Module - Interface DS3231 Module with Arduino Uno

ESP32 Real Time Clock using DS3231 Module