int LED1 = 7;
int LED2 = 6;
int LED3 = 5;
int LEDpeaton = 4;

#define PIN_TRIG 3
#define PIN_ECHO 2



void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
pinMode(LEDpeaton, OUTPUT);

  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:

  // Start a new measurement:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  // Read the result:
  int duration = pulseIn(PIN_ECHO, HIGH);
  Serial.print("Distance in CM: ");
  Serial.println(duration / 58);
  Serial.print("Distance in inches: ");
  Serial.println(duration / 148);


if ((duration / 58)< 300) 
{
digitalWrite(LED3, HIGH);
delay(5000); // Wait for 1000 millisecond(s)
digitalWrite(LED3, LOW);
digitalWrite(LEDpeaton, LOW);
}
else 
{
digitalWrite(LED1, HIGH);
digitalWrite(LEDpeaton, HIGH);
}



  delay(1000);



}