void setup() {
  Serial.begin(9600);// setup Serial Monitor to display information
  pinMode(SENSOR, INPUT_PULLUP);// define pin as Input  sensor
  pinMode(ACTION, OUTPUT);// define pin as OUTPUT for ACTION
  pinMode(segmentClock, OUTPUT);
  pinMode(segmentData, OUTPUT);
  pinMode(segmentLatch, OUTPUT);
  pinMode(segmentClockLAP, OUTPUT);
  pinMode(segmentDataLAP, OUTPUT);
  pinMode(segmentLatchLAP, OUTPUT);

  
  pinMode(13,OUTPUT); // blink tester
  digitalWrite(segmentClock, LOW);
  digitalWrite(segmentData, LOW);
  digitalWrite(segmentLatch, LOW);
  digitalWrite(segmentClockLAP, LOW);
  digitalWrite(segmentDataLAP, LOW);
  digitalWrite(segmentLatchLAP, LOW);

  
  

// whittier track circumference equals 205.08 feet or 0.0388409091 miles per lap USED 0.0384
// Sabatatini test track circumference equals 100.531 feet or 0.01903996212 miles per lap USED 0.01903   
// Iowa track = 0.02083333333 miles per lap
   distance= 0.02083333333; 
   Serial.println("Iowa Lap Timer");
   Serial.print(distance, 4);
   Serial.println (" = circumference in miles");
   Serial.print(.250/distance, 4);
   Serial.println(" = laps per quarter mile");
   Serial.print(.310686/distance, 4);
   Serial.println(" =laps per 500 meters");
   Serial.println ("READY!");
   showShape(0);
   showShapeLAP(0);
   delay(500);
   showShape(4);
   showShapeLAP(4);
   delay(500);
   showShape(0);
   showShapeLAP(0);
   delay(500);
   showShape(4);
   showShapeLAP(4);
   delay(500);
   showShapeLAP(2);
   

}