I am in need of urgent assistance to create a RTC library for the RV-3028-C7 device from Micro Crystal Switzerland.
SparkFun have an excellent Library available for the RV-1805-C3 device from the same vendor.
The SparFun hardware is available here:
I saw your post messages.
Recently, I completed the RV-3028 Arduino Library codes and tested successively.
If you need it still, please let me know.
I will help you successively with the completed library files.
I wait for your good reply.