#include <ESP32Servo.h>

#define TRIGGER_PIN  32
#define ECHO_PIN     33
#define SERVO_PIN_1  25
#define SERVO_PIN_2  26
#define LED_PIN_1    34
#define LED_PIN_2    35

Servo servo1;
Servo servo2;

void setup() {
  Serial.begin(9600);

  pinMode(TRIGGER_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(LED_PIN_1, OUTPUT);
  pinMode(LED_PIN_2, OUTPUT);

  servo1.attach(SERVO_PIN_1);
  servo2.attach(SERVO_PIN_2);

  // Initial position for the servos (closed garage door)
  servo1.write(0);
  servo2.write(180);
}

void loop() {
  long duration, distance;

  // Trigger ultrasonic sensor
  digitalWrite(TRIGGER_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGGER_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIGGER_PIN, LOW);

  // Measure the duration of the echo
  duration = pulseIn(ECHO_PIN, HIGH);

  // Calculate distance
  distance = (duration / 2) / 29.1; // Distance in centimeters

  Serial.print("Distance: ");
  Serial.println(distance);

  // Check if a car is detected within the threshold distance (adjust as needed)
  if (distance < 50) { // Adjust this value based on your setup
    openGarageDoor();
    delay(5000); // Delay to allow time for the car to enter the garage
    closeGarageDoor();
  }

  delay(1000); // Delay between distance checks
}

void openGarageDoor() {
  // Open garage door (adjust servo angles as needed)
  servo1.write(90);
  servo2.write(90);
  digitalWrite(LED_PIN_1, HIGH);
  digitalWrite(LED_PIN_2, LOW);
}

void closeGarageDoor() {
  // Close garage door (adjust servo angles as needed)
  servo1.write(0);
  servo2.write(180);
  digitalWrite(LED_PIN_1, LOW);
  digitalWrite(LED_PIN_2, HIGH);
}