Smart dustbin Sunil

 #include <Servo.h>

const int trigPin = 9;

const int echoPin = 10;

const int servoPin = 11;

const int detectionDistance = 50; // Distance in cm to detect an object

Servo myServo;

void setup() {

  Serial.begin(9600);

  pinMode(trigPin, OUTPUT);

  pinMode(echoPin, INPUT);

  myServo.attach(servoPin);

  myServo.write(0); // Initial position of the servo

}

void loop() {

  long duration, distance;

  digitalWrite(trigPin, LOW);

  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(10);

  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);

  distance = duration * 0.034 / 2;

  Serial.print("Distance: ");

  Serial.println(distance);

  if (distance < detectionDistance) {

    myServo.write(120); // Rotate servo to 120 degrees

  } else {

    myServo.write(0); // Return servo to 0 degrees

  }

  delay(500);

}