#include <Servo.h>

constexpr int trigPinRuka {8};
constexpr int echoPinRuka {9};
constexpr int trigPinFullnes {10};
constexpr int echoPintFullnes {11};
constexpr int servoPin {7};
constexpr int ledPin {12};


Servo servo;
long duration{};
int rukaDistance{};
int binFullnes{};

void setup() {
  pinMode(trigPinRuka, OUTPUT); // Sets the trigPin as an Output
  pinMode(echoPinRuka, INPUT); // Sets the echoPin as an Input
  pinMode(ledPin,OUTPUT);
  Serial.begin(9600); // Starts the serial communication
  servo.attach(servoPin);
}
void loop() {
  rukaDistance = getDistance(trigPinRuka, echoPinRuka);
  //delay(100);
  binFullnes = getDistance(trigPinFullnes, echoPintFullnes);
  // Prints the distance on the Serial Monitor
  Serial.print("Distance: ");
  Serial.println(binFullnes);

  if(binFullnes < 50){
    digitalWrite(ledPin,HIGH);
  }
  else{
      digitalWrite(ledPin,LOW);
  }
  if(rukaDistance <= 10){
    servo.write(90);
    delay(1000);
    servo.write(0);    
  }


  servo.write(0);

}

in getDistance(int& trigPin, int& echoPin){
  int distance{0};
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  // Reads the echoPin, returns the sound wave travel time in microseconds
  duration = pulseIn(echoPin, HIGH);
  // Calculating the distance
  distance = duration * 0.034 / 2;
  return distance;
}