To configure the network settings, click on the config.h tab in the sketch. You will need to set your Adafruit IO username in the IO_USERNAME define, and your Adafruit IO key in the IO_KEY define.
Next, remove the comments from both of the FONA config lines in the FONA section of config.h to enable FONA support.
Next, remove the comments from both of the Ethernet config lines in the Ethernet section of config.h to enable Ethernet Wing support.
Next, we will look at how the example sketch works.