ControllerTestFirmware1.ino

  // Set the DPad buttons to pullup inputs
  pinMode(RIGHT, INPUT_PULLUP);
  pinMode(UP, INPUT_PULLUP);
  pinMode(LEFT, INPUT_PULLUP);
  pinMode(DOWN, INPUT_PULLUP);
  
  // Set the action buttons to pullup inputs
  pinMode(A, INPUT_PULLUP);
  pinMode(B, INPUT_PULLUP);
  pinMode(X, INPUT_PULLUP);
  pinMode(Y, INPUT_PULLUP);