int trigPin1=1;
int echoPin1=0;
int trigPin2=4;
int echoPin2=5 ; 
int ledPin1=7;
int ledPin2=4;


void setup() {
  Serial.begin(9600);
  pinMode(trigPin1,OUTPUT);
  pinMode(trigPin2,OUTPUT);
  pinMode(echoPin1,INPUT);
  pinMode(echoPin2,INPUT);
  pinMode(ledPin1,OUTPUT);
  pinMode(ledPin2,OUTPUT);
  
  
 
}

void loop() {
  digitalWrite(ledPin1,HIGH);
  digitalWrite(ledPin2,HIGH);
  
  long duration1,distance1,duration2,distance2;
  analogWrite(trigPin1,LOW);
  delayMicroseconds(2);
  analogWrite(trigPin1,HIGH);
  delayMicroseconds(10);
analogWrite(trigPin1,LOW);
  duration1=pulseIn(echoPin1,HIGH);
  distance1=duration1*0.034/2;
  if(distance1<=5)
  {
    analogWrite(ledPin1,LOW);
  }
  else
  {
    analogWrite(ledPin1,HIGH);
  }

   analogWrite(trigPin2,LOW);
  delayMicroseconds(2);
  analogWrite(trigPin2,HIGH);
  delayMicroseconds(10);
  analogWrite(trigPin2,LOW);
  duration2=pulseIn(echoPin2,HIGH);
  distance2=(duration2*(0.034/2));
  if(distance2<=5)
  {
   analogWrite(ledPin2,LOW);
  }
  else
  {
    analogWrite(ledPin2,HIGH);
  }
}