But the arduino start the code by adjusting the time to 2pm again. So once u set already, comment that line out and upload again. Eagle file for schematic & layout (DS1307 RTC Module V1.0) Hope you ...

The most popular RTC for the Arduino is the DS1307. However, it does have some drawbacks, the most notable of which is that its operating voltage is 5v, which means it cannot be used with 3.3v ...

By adding an Arduino compatible board, an RTC Arduino module, and a code from the EasyNixie library, users can create their own nixie clocks with relative ease. The module’s design allows for ...