#include <Servo.h>
Servo Servo1;

int trigger1=6;
int echo1=7;
int distance1;
long duration1;


int trigger2=8;
int echo2=9;
int distance2;
long duration2;
void setup()
{
  
 pinMode(trigger1, OUTPUT);
 pinMode(echo1, INPUT);
  
 pinMode(trigger2, OUTPUT);
 pinMode(echo2, INPUT);
  
  Serial.begin(9600);
  Servo1.attach(3);
  Servo1.write(0);
}

void loop()
{
  digitalWrite(trigger1, LOW);
 delayMicroseconds(2);
 digitalWrite(trigger1, HIGH);
 delayMicroseconds(10);
 digitalWrite(trigger1, LOW);
 duration1 = pulseIn(echo1, HIGH);
 distance1 = duration1 * 0.0343/ 2;
 Serial.print("Distance1:");
 Serial.print(distance1);
 Serial.println("cm");
  
   digitalWrite(trigger2, LOW);
 delayMicroseconds(2);
 digitalWrite(trigger2, HIGH);
 delayMicroseconds(10);
 digitalWrite(trigger2, LOW);
 duration2 = pulseIn(echo2, HIGH);
 distance2 = duration2 * 0.0349/ 2;
 Serial.print("Distance2:");
 Serial.print(distance2);
 Serial.println("cm");
  delay(1000);
  Servo1.write(0);
  if(distance1<=200||distance2<=200)
  {
    Servo1.write(180);
  }
 else if(distance1>200||distance2>200)
  {
    Servo1.write(0);
  }
}