Though the problem seems to be specifically about the NavKey which I'm not using. If I delete I2CNavKey.h and I2CNavKey.cpp from the folder in my library, then it DOES work I guess that should ...

I have purchased an arduino nano and an Ethernet shield, however when i try to upload the sketch it says error compiling for board arduino nano. my arduino is most likely ...

How to fix ‘was not declared in the scope’ error? There are the quick fixes for the Arduino error: was not declared in the scope. Declare the variable Before assigning a value to the variable, make ...