project_0533607317

#include <Servo.h>

const int trigPin = 10;
const int echoPin = 11;
const int cameratrigger = A0;
const int buzzer = 12;
long duration;
int distance;

Servo myServo;

void setup() {
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(cameratrigger, OUTPUT);
  pinMode(buzzer, OUTPUT);
  Serial.begin(9600);
  myServo.attach(9); // Defines on which pin is the servo motor attached
}
void loop() {
  // rotates the servo motor from 15 to 165 degrees
  for (int i = 15; i <= 165; i++) {
    myServo.write(i);
    delay(30);
    distance = calculateDistance();// Calls a function for calculating the distance measured by the Ultrasonic sensor for each degree
    if (distance < 30) {
      digitalWrite(cameratrigger, HIGH);
      digitalWrite(buzzer, HIGH);
      delay(200);
      digitalWrite(cameratrigger, LOW);
      digitalWrite(buzzer, LOW);
      delay(200);
    }
    Serial.print(i); // Sends the current degree into the Serial Port
    Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
    Serial.print(distance); // Sends the distance value into the Serial Port
    Serial.print("."); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  }
  // Repeats the previous lines from 165 to 15 degrees
  for (int i = 165; i > 15; i--) {
    myServo.write(i);
    delay(30);
    distance = calculateDistance();
    if (distance < 30) {
      digitalWrite(cameratrigger, HIGH);
      digitalWrite(buzzer, HIGH);
      delay(200);
      digitalWrite(cameratrigger, LOW);
      digitalWrite(buzzer, LOW);
      delay(200);
    }
    Serial.print(i);
    Serial.print(",");
    Serial.print(distance);
    Serial.print(".");
  }
}

int calculateDistance() {
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = duration * 0.034 / 2;
  return distance;
}