delay(SPEED_DELAY);
Calling delay() with a value of 0 is really not a good idea. Most of the time, you can get away with it, but, once in a while, that call will actually take 49+ days to return. Your marble will be long gone by then.
delay(SPEED_DELAY);
Calling delay() with a value of 0 is really not a good idea. Most of the time, you can get away with it, but, once in a while, that call will actually take 49+ days to return. Your marble will be long gone by then.