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 ...

Although ready-made real-time clock (RTC) modules for microcontroller projects are available in every online shop, an inspired electronics hobbyist would rather put together something from a few ...

then uses a PCF8563 real-time clock (RTC) module to keep from drifting too far off the mark. The six displays, which plug into the custom PCB backplane, can then show the appropriate digits for ...