#include <Servo.h>

// Create a Servo object
Servo myServo;

// Define pin numbers
const int potPin = A0; // Potentiometer connected to analog pin A0
const int servoPin = 5;
int led = 3;
int motor = 12;
int motor2 = 11;
const int buttonPin = 2;
int buttonState = 0;
const int trigPin = 9; // Trigger pin connected to digital pin 9
const int echoPin = 10; // Echo pin connected to digital pin 10


void setup() {
  // put your setup code here, to run once:
pinMode(led,OUTPUT);
pinMode(motor, OUTPUT);
pinMode(motor2, OUTPUT);
pinMode(buttonPin, INPUT);
Serial.begin(9600);
 myServo.attach(servoPin);
   pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
 
 buttonState = digitalRead(buttonPin);

  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    Serial.println("button was pressed");
    digitalWrite(led, HIGH);
  } else {
    
    Serial.println("nothing is happening");
    digitalWrite(led, LOW);
    
    int potValue = analogRead(potPin);

  // Map the potentiometer value to the servo angle range (0 to 180 degrees)
  int angle = map(potValue, 0, 1023, 0, 180);

  // Write the mapped angle to the servo
  myServo.write(angle);
  
  // Add a small delay to stabilize the movement
  delay(15);
  }
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  // Measure the duration of the pulse on the echo pin
  long duration = pulseIn(echoPin, HIGH);

  // Calculate the distance in centimeters (speed of sound = 34300 cm/s)
  int distance = duration * 0.034 / 2;

  // Print the distance to the Serial Monitor
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");

  // Add a short delay
  delay(100);
  
}