In this tutorial we make a simple Arduino digital clock using DS1307 RTC and MAX7219 LED display.

Also important:
How to use DS1307 RTC with Arduino :   • How to use DS1307 RTC with Arduino an...  

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i).SainSmart MAX7219 Dot Matrix Module 4 in one for Arduino: -https://amzn.to/2Ze15uR
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For the schematic and code visit the link: https://mytectutor.com/arduino-digita...


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