// #include "UBL.h"

  int Red_LED = A0;
  int Yelow_LED = A1;
  int Green_LED = A2;

#define TRIGGER_PIN  9  // Arduino pin tied to trigger pin on the ultrasonic sensor.
#define ECHO_PIN     8  // Arduino pin tied to echo pin on the ultrasonic sensor.
#define MAX_DISTANCE 200 // Maximum distance we want to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.

NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum distance.

int minimumRange = 0; // Minimum range needed
long duration, distance; // Duration used to calculate distance


void setup() {
  // put your setup code here, to run once:



//pinMode(13,OUTPUT);
//digitalWrite(13, HIGH);
//delay(1000); // 1000 = 1 sec.
//pinMode(A0,OUTPUT);
//digitalWrite(A0, HIGH);
//delay(1000); // 1000 = 1 sec.
//pinMode(A1,OUTPUT);
//digitalWrite(A1, HIGH);
//delay(1000); // 1000 = 1 sec.
//pinMode(A2,OUTPUT);
//digitalWrite(A2, HIGH);
//delay(1000); // 1000 = 1 sec.





// #include <NewPing.h>



void setup() {
  Serial.begin(9600); // Open serial monitor at 115200(or 9600) baud to see ping results.
}

void loop() {
  delay(50);                     // Wait 50ms between pings (about 20 pings/sec). 29ms should be the shortest delay between pings.
  Serial.print("Ping: ");
  Serial.print(sonar.ping_cm()); // Send ping, get distance in cm and print result (0 = outside set distance range)
  Serial.println("cm");
  int l = sonar.ping_cm();
  if (l > 5 ) {
    digitalWrite(A0 , 0);
    else {
    digitalWrite(A0 , 1);
    }
  }