Building a Digital Clock with Arduino Uno Rev4 WiFi's RTC and LED Matrix

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In this video I will look at the built-in RTC module. I will show you how to use it.
I will attept to create the digital clock using built-in RTC module and built-in LED matrix.

Link to the code:
https://www.hackster.io/mdraber/digital-clock-with-arduino-uno-rev4-wifi-s-rtc-an-led-matrix-484d2e