#include <Servo.h>
Servo myservo;
int servoPin = 7;
#define trigerPin 6
#define echoPin 5
#define trigpin2 9
#define echo2 10
#define red 11
double duration, distance;
double height, timing;
int full=0;
void setup() {
  Serial.begin(9600); // Initialize Serial Monitor
  pinMode(trigerPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(trigpin2, OUTPUT);
  pinMode(echo2, INPUT);
  pinMode(red, OUTPUT);
  myservo.attach(servoPin);
  myservo.write(90);
}

void loop() {
//sensor1

    digitalWrite(trigpin2, LOW);
    delayMicroseconds(2);
    digitalWrite(trigpin2, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigpin2, LOW);
    delayMicroseconds(2);

    timing =pulseIn(echo2,HIGH);

    height=(timing/2)*0.0343;
    if(height<5)
    {
      full=1;
      digitalWrite(red, HIGH);
    }
    else{
      full=0;
      digitalWrite(red, LOW);
    }

  
  //sensor2
  
  digitalWrite(trigerPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigerPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigerPin, LOW);
    delayMicroseconds(2);

    duration =pulseIn(echoPin,HIGH);

    distance=(duration/2)*0.0343;

    if(full==0)
    {
      if (distance < 50) 
    { 
      myservo.write(180); 
      //Serial.print("Opened");                  
    }
    else 
    { 
      myservo.write(90); 
      //Serial.print("Closed"); 
                            
    } 
    }
   
}