 // ================================================================
 // ===               INTERRUPT DETECTION ROUTINE                ===
 // ================================================================
-volatile bool mpuInterrupt[2] = {false, false};     // indicates whether MPU interrupt pin has gone high
+// indicates whether MPU interrupt pin has gone high
+volatile bool mpuInterrupt[2] = {false, false};     
 
 //Intentional duplication. Interrupt routine cannot pass args. 
 void dmpDataReady0() {

// ================================================================
// ===                      MPU DMP SETUP                       ===
// ================================================================
// MPU control/status vars

//This isn't used anywhere, I think we can get rid of it.
//uint8_t mpuIntStatus;   // holds actual interrupt status byte from MPU

uint8_t devStatus;      // return status after each initialization operation (0 = success, !0 = error)

//Containers for each MPU's communication
int FifoAlive[2] = {0, 0}; // tests if the interrupt is triggering

    }
  } 
  
  MPUMath(); // Successful!  Do the math and show angles from both MPUs
  digitalWrite(LED_PIN, !digitalRead(LED_PIN)); // Blink the LED on each cycle
  
