iCSTORE DS1307 DS 1307 RTC Module I2C Real Time Digital Clock/Calendar DIY Kit, AT24C32 EEPROM 32Kb IC for Nano/UNO/PI/Single Board PC and Microcontroller, Alarm with DS18B20 Sensor Space- Pack of 4 :
RTC Ds1307 Arduino Based Alarm System : 5 Steps - Instructables
Alarm Clock using Arduino, DS1307, buzzer, and LCD
Module RTC DS1307 Horloge en Temps Réel - RobotShop
GitHub - mudasar187/AlarmClock: Arduino - Alarm clock with TFT LED Display and RTC DS1307