#include <Servo.h>

int trig = 13;
int echo = 12;
int ldr = A0;
int times = 0; 
int enable = 1;

Servo myservo;
Servo myservo2;

void setup() {
  Serial.begin(9600);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(ldr, INPUT);
  myservo.attach(11);
  myservo2.attach(10);

}

void loop() {
  // ultrasonic code

  digitalWrite(trig, HIGH);
  delayMicroseconds(2);
  digitalWrite(trig, LOW);

  int distance = pulseIn(echo, HIGH);
  int cm = distance * 0.034 / 2;
  // Serial.print("Cm: ");
  // Serial.println(cm);

  // -----------------------------------
  // Servo with ultrasonic code

  if (cm <= 20) {
    times++;
    if (enable != 0) {
    delay(1000);}

  } else {
    times = 0;
    enable = 1;
    
  } if (times >= 2 && cm <= 20) {

    myservo.write(90);
    enable = 0;

  } else {
    myservo.write(0);

  }

  // -----------------------------------
  // LDR Part

  int lux = analogRead(ldr);
  Serial.print("Bright: ");
  Serial.println(lux);

  if (lux >= 519) {
    myservo2.write(0);

  } else {
    myservo2.write(90);
  }
}