No Such File Or Directory |top|: Ds1302.h

When you write #include <ds1302.h> or #include "ds1302.h" , the compiler searches predefined paths for that file. If it fails, you get the error.

lib_deps = mathertel/DS1302 @ ^1.2.1

Add the library path manually:

The fastest way to fix this is through the built-in Arduino Library Manager : ds1302.h no such file or directory