Uploaded May 2022 | Updated September 2026, 1 week ago

---

Link to circuit diagram & sketches:
akuzechie.blogspot.com/2022/05/real-time-clock-on-max7219-4-digit.html

Link to my video - programming DS3231 using assembly:
youtube.com/watch?v=Xu7_rwOnkWs

Contents:
0:00 Introduction
0:22 Circuit Diagram of Implemented Project
0:42 Sketch for Setting Time & Date of DS3231 RTC
2:31 Sketch for Reading Time, Date & Temp from DS3231 & Display on MAX7219 Dot Matrix
7:32 Demonstration
8:02 Future Project: Create Library for DS3231 RTC