Arduino Zero Compatible?

[sajmon0]

Hi, I have been trying to launch these examples on Arduino Zero and there were errors during the compiling. When I have changed board on e.g. Arduino Uno then there weren't errors.
How to fix it?

[SimGas]

Even if your problem is over one year old: Arduino Zero can have to problems: In some DS3231 libraries the term "PM" is used, which is defined as a macro in the samd low level code. To fix it, replace all PM in the cpp and h file with for example PM_time