#include <Servo.h>

// Define servo objects
Servo DinoMotion;
Servo HeadMotion;

// Define pins for ultrasonic sensor
const int trigPin = 9;
const int echoPin = 10;

// Define pins for LDRs
const int HeadLDR = A0;
const int MouthLDR = A1;

// Define pins for LEDs
const int EyeLED1 = 2;
const int EyeLED2 = 3;
const int MouthLED = 4;

void setup() {
  // Attach servos to respective pins
  DinoMotion.attach(5);
  HeadMotion.attach(6);

  // Initialize ultrasonic sensor
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);

  // Initialize LDRs
  pinMode(HeadLDR, INPUT);
  pinMode(MouthLDR, INPUT);

  // Initialize LEDs
  pinMode(EyeLED1, OUTPUT);
  pinMode(EyeLED2, OUTPUT);
  pinMode(MouthLED, OUTPUT);
}

void loop() {
  // Read ultrasonic sensor
  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;

  // Control DinoMotion servo based on ultrasonic sensor
  if (distance < 10) { // Object is too close
    DinoMotion.write(180); // Rotate servo one way
  } else if (distance > 20) { // Object is too far
    DinoMotion.write(0); // Rotate servo the other way
  }

  // Read LDR values
  int lightValueHead = analogRead(HeadLDR);
  int lightValueMouth = analogRead(MouthLDR);

  // Control HeadMotion servo based on light on HeadLDR
  if (lightValueHead > 500) { // Light is shining
    HeadMotion.write(180); // Rotate servo one way
    digitalWrite(EyeLED1, HIGH); // Turn on EyeLED 1
    digitalWrite(EyeLED2, HIGH); // Turn on EyeLED 2
  } else {
    HeadMotion.write(0); // Rotate servo the other way
    digitalWrite(EyeLED1, LOW); // Turn off EyeLED 1
    digitalWrite(EyeLED2, LOW); // Turn off EyeLED 2
  }

  // Control MouthLED based on light on MouthLDR
  if (lightValueMouth > 500) { // Light is shining
    digitalWrite(MouthLED, LOW); // Turn off MouthLED
  } else {
    digitalWrite(MouthLED, HIGH); // Turn on MouthLED
  }

  delay(100); // Adjust delay as needed
}