This recipe will demonstrate how to check the state of the three push buttons that come with the Adafruit FeatherWing OLED. We will poll each of these three buttons and continually print out their state so that we can detect the moment a button is pressed and when it is realized.

Each of these push buttons is attached to a different GPIO pin, so we will use a dictionary to map the button names to their associated GPIO pins. The physical buttons on the board are labeled A, B, and C. We will use the same naming to map the button events to print statements in the script.

This recipe is useful because it will enable your project to take different actions, depending on which buttons are being pressed. Because there are three buttons on this board, you have a lot of options in terms of how you can design your application. For example, you could...