 
 uint8_t interrupt = 2;
 
+int l1_motor = 10;
+int l2_motor = 9;
+int r1_motor = 6;
+int r2_motor = 5; 
+
 void setup()
 {
   //analogReference(EXTERNAL);

  }
}


  readSensors();
  printSensors();
  determineDirection();
  drive(sensorVals[n], sensorVals[s], sensorVals[e], sensorVals[w]);
  Serial.println();
  delay(500);
}
