 
   while (Serial.available() && Serial.read()); // empty buffer
 
-  // Lower to 60msec
+  // Lower Watchdog to 60msec
   wdt_disable();
   wdt_enable(WDTO_60MS);
 }
 
-
-
 // ================================================================
 // ===                    MAIN PROGRAM LOOP                     ===
 // ================================================================
-
 void loop() {
   // if programming failed, don't try to do anything
   if (!dmpReady) return;

  mpu.initialize();

  // verify connection
  Serial.println(F("Testing device connections..."));
  Serial.println(mpu.testConnection() ? F("MPU6050 connection successful") : F("MPU6050 connection failed"));

  // load and configure the DMP
  Serial.println(F("Initializing DMP..."));
  devStatus = mpu.dmpInitialize();

  // make sure it worked (returns 0 if so)
  if (devStatus == 0) {
    // turn on the DMP, now that it's ready
    Serial.println(F("Enabling DMP..."));
    mpu.setDMPEnabled(true);

    // set our DMP Ready flag so the main loop() function knows it's okay to use it

// Watchdog timer
#include <avr/wdt.h>

// Instanciate MPU on address 0x68 (ADD low)
MPU6050 mpu;


#define LED_PIN 13
#define JETPACK_PIN 3
bool blinkState = false;

