Joy FeatherWing Controller Adafruit Joy FeatherWing Controller features a 2-axis joystick with 5 momentary buttons, enabling the user to turn a FeatherBoard into a tiny game or robotic controller. The Joy FeatherWing communicates with other microcontrollers over I2C so it's easy to use and doesn't take up any precious analog or digital pins. The Joy FeatherWing Controller features Adafruit Seesaw technology and includes two address-select jumpers. The Joy FeatherWing Controller provides an optional interrupt pin that alerts the user when a button has been pressed or released. This controller provides 4 options of I2C addresses and is compatible with all the Adafruit Feather devices.