#define BLYNK_TEMPLATE_ID "TMPL3h91gcgsP"
#define BLYNK_TEMPLATE_NAME "servo motor"
#define BLYNK_AUTH_TOKEN "MxWc1sfub5nA9E--2qLkXwFUs3ZybrdE"
#include <ESP32Servo.h>

#define TRIG_PIN 5
#define ECHO_PIN 18
#define SERVO_PIN 13

Servo myservo;

void setup() {
  Serial.begin(9600);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  myservo.attach(SERVO_PIN);
}

long readUltrasonicDistance() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);

  long duration = pulseIn(ECHO_PIN, HIGH);
  long distance = (duration * 0.034) / 2;
  return distance;
}

void loop() {
  for (int pos = 0; pos <= 180; pos += 10) {
    myservo.write(pos);
    delay(500);  // Wait for the servo to reach the position
    long distance = readUltrasonicDistance();
    Serial.print("Position: ");
    Serial.print(pos);
    Serial.print(" degrees, Distance: ");
    Serial.print(distance);
    Serial.println(" cm");
  }
  for (int pos = 180; pos >= 0; pos -= 10) {
    myservo.write(pos);
    delay(500);
    long distance = readUltrasonicDistance();
    Serial.print("Position: ");
    Serial.print(pos);
    Serial.print(" degrees, Distance: ");
    Serial.print(distance);
    Serial.println(" cm");
  }
}