     Serial.println(F(")"));
   }
 
+  // Setup Jetpack button
+  pinMode(JETPACK_PIN, INPUT);
+  digitalWrite(JETPACK_PIN, HIGH); // connect internal pull-up
+
   // configure LED for output
   pinMode(LED_PIN, OUTPUT);
 

        Serial.print(aaWorld.y);
        Serial.print("\t");
        Serial.println(aaWorld.z);
        break;
      default:
        Serial.print("ERROR - Command ");



#define LED_PIN 13 // (Arduino is 13, Teensy is 11, Teensy++ is 6)
#define JETPACK_PIN 3
bool blinkState = false;

// MPU control/status vars
