isidromv

Adding UNDEFINED pin status

1

I'm new to Arduino and as an exercise I'm working on a class encapsulating a digital input. The corresponding `read()` method returns a `PinStatus`. Normally it is `LOW` or `HIGH`,...

Defining digitalPinHasPWM will make that those sketches using it from older boards, like UNO R3 or Nano, can also be used with UNO R4, without extra complications for non advanced...