     servoLeft.writeMicroseconds(1300);
     servoRight.writeMicroseconds(1300);
   }
-  delay(50);
+  delay(100);
   servoLeft.writeMicroseconds(1500);
   servoRight.writeMicroseconds(1500);
 }

// this constant won't change.  It's the pin number
// of the sensor's output:
const int pingPin = 8;

void setup() {
  // initialize serial communication:

  // convert the time into a distance
  cm = microsecondsToCentimeters(duration);

  //Serial.println(String(cm)+" cm");
  return cm;
}

void rotateStep(bool clockwise) {
