DS3231 RTC with alarm function and temperature monitor - CCS C
Arduino real time clock with alarm and temperature monitor using DS3231
GitHub - shreyask21/RTC_Hourly_Chime: Demonstration of Dallas Semiconductor DS3231 real time clock functions such as alarm, Interrupt pin etc.
Build Programmable Time-based Switches Using a Real Time Clock - Projects
How can I drive a high side switch with a 1ms 3.3-0-3.3v pulse? DS3231 timer sends a low pulse when an alarm is triggered. I need it to wake up an ESP8266
How To Build an Arduino Alarm Clock Using DS3231 ⋆ Tech is so Cool!
Quick Setup Guide for DS3231 Alarm/Timer Function : 3 Steps - Instructables
Problem with RTClib and DS3231 Interrupt management - Programming Questions - Arduino Forum